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RIVER tfDQUALITY
1991
A.H.Place
Scientist • Monitoring Services
April 1992
Tel: 0734 535423
ENVIRONMENT A G EN CY
fliiiiiim042719
RIVER QUALITY REPORTPeriod to end of December 1991Freshwater Rivers ComplianceDuring the year to the end of December 1991, 568 sites were routinely monitored to assess the quality of 3,820 Km of river. Table 1 gives details of the 85 sites that failed their RQO's representing 500 Km of river (13% of the total). This is a decrease of 150 Km compared to the position shown in the previous report.Table 2 gives details of the class achieved by all reaches as per previous reports.Table 2(A) is a matrix showing the total lengths of river in each class against objectives, while Table 2(B) shows this graphically.78/659/EEC Fisheries Directive complianceThere are currently 57 sites on river reaches classified as Salmonid and 121 on those classified as Cyprinid. Table 3 shows the 15 sites which failed to meet the relevant standards.EEC Dangerous Substances DirectiveTable 4 gives details of the freshwater river sites that fail parameters assessed under the Dangerous Substances Directive. All parameters are assessed as annual averages.The Tideway (Tables 5 and 6)Table 5 details compliance of the three tideway reaches against the quality objectives in the quarter October to December 1991. Part of the middle reach failed to meet its 20 percentile standard for dissolved oxygen.Table 6 details sites failing the EEC Dangerous Substances Directive in the year to December 1991.
If you have any comments or questions please give me a ring on the above number.
A.H.PlaceScientist (Monitoring Services)Scientific Services6th Floor Reading Bridge House
Circulation List
Mr. I. M. Adams - Environmental Quality ManagerMr. G.W. Phillips - Catchment Control ManagerDr. D. A. Stott - Water Regulations ManagerDr. J. Haines - Scientific Services ManagerMr. I. M. Griffiths - Pollution Control ManagerMr. P. Lloyd - P.P.O. (Crossness/Guildford)Mr. N. Marshall - P.P.O. (Oxford/Reading)Mr. R. Walker - P.P.O. (Waltham Cross/Amersham)Mr. P. Chatfield - P.P.O. (HQ)Mr. M. Sheppard - S.P.O. (Amersham)Mr. G. Claydon - S.P.O. (Guildford)Mr. D. Keeling - S.P.O. (Oxford)Mr. T. N. Reeder - Quality Control & Monitoring ManagerMr. J. Eastwood - Principal Scientist Quality RegulationMs. J. Kinniburgh - Principal Planner Water QualityDr. R. A. Sweeting - Chief BiologistDr. D. Tinsley - Area Biologist EastMr. J. Steel - Area Biologist WestDr. J. Banks - Regional Fisheries ManagerMr. J. Reeves - Senior Fisheries Officer (East)Mr. A. Butterworth - Senior Fisheries Officer (West)Mr. G • Armstrong - Senior Fisheries OfficerMr. s. Colclough - Area Fisheries OfficerMr. V. Lewis - Area Fisheries OfficerMr. J. Sutton - Area Fisheries Officer
NB : Please let me know if you new job title is different from above and if there is anyone else in the new organisations you think should receive a copy. Thank-you for your co-operation.A.H.Place 09/4/92
Table 1
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
REACHES FAILING QUALITY OBJECTIVES
RIVER REACH LENGTH(Kms)
BLACK DITCH Old Railway to Kingsey Cuttle 1.900BYDEMILL BROOK Source to Thames 10.460COLN Dudgrove Stream to Thames 0.960DENTON BROOK Source to Cuddesdon STW 1.470DIKLER Source to Hyde Mill Ditch 5.950EYNSHAM UHARF STREAM ChiL/Limb Brook to Thames 0.890FILCHAMPSTEAD BROOK Dean Court to Thames 2.200GA1NSBRIDGE BROOK Haseley Wood to Lttle Miltn STW 1.740GARSINGTON STREAM Garsington STW to Baldon Brook 0.600GUC (AYLESBURY ARM) Source to California Bk 9.860HALFACRE BROOK Clanfield to Radcot Cut 2.100HARCOURT BROOK Stentn Harcourt to Limb Brook 2.870KIGHKOOR BROOK Source to Shill Brook 6.220HOLTON BROOK Source to Thame 7.800LANGFORD BROOK Stratton Audley to Bicester STW 6.580LAUNTON BROOK Poundon Hill to Cutters Brook 4.570LENTA BROOK Bishopstone to Cole 6.470LENTA BROOK EAST Lenta Brook to Cole (East) 2.450LYDIARD BROOK Source to Rodbourne Tip 3.700OCK Longcot to Stnford itv STU 12.450OCK Stnford itv STW to Bagpuize Brook 8.050RAY Haydon Wick Bk to Thames 7.780SUILL BROOK West Crudwell to Flagham Brook 9.980SWILL BROOK Flagham Brook to Thames 3.620THAME Marsuorth to Fleet Marstn Bk 23.940THAME Fleet Marstn Bk to Mains Br. Winch 5.190THAME Scotsgrove Bk to Peppershill Bk 8.770
24/03/92
SAMPLE POINT RQO CLASS
ACHIEVED
BLACK DITCH AT A4129 1B 2ABYDEMILL BROOK ABOVE THAMES, HANNINGTON 2B 3COLN, ROUNDHOUSE LECKLADE 1A IBDENTON BROOK AT DENTON 1B 3OIKLER, DONNINGTON BREWERY 1A 1BEYNSHAM WHARF STREAM AT B4044 1B 2AFILCHAMPSTEAD BK US THAMES 1B 2AGAINSBRIDGE BROOK ABOVE LITTLE MILTON STW 1A 18GARSINGTON STREAM AT B480, GARSINGTON 2B 3GUC, COLLEGE BR ASTON CLINTON 2A 3HALFACRE BROOK BELOW CLANFIELD 2B 3HARCOURT BROOK ABOVE LIMB BROOK 1B 3HIGHMOOfi BROOK DS BRIZE NORTON STREAM 1B 2AHOLTON BK US THAME 1B 2ALANGFORD BK, A41 BICESTER IB 2ALAUNTON BROOK ABOVE CUTTERS BROOK 2B 3LENTA BROOK AT HINTON MARSH FARM 1A 18LENTA BROOK (EAST) AT A420 ROAD8RIDGE 16 2ALYDIARD BK OS STU LYDIARD MLCT 1A 18OCK, STANFORD*IN-THE-VALE BR 1A 1BOCK, OCK BR LYFORD 1A 1BRAY, TAOPOLE BR PURTON 2A 3SWILL BROOK AT OAKSEY LANE 1A IBSWILL BK, PIKE CNR ASHTON KYNS 1A 1BTHAME, STONE BR AYLES8URY 2B 3THAME US EYTHROPE LAKE 1B 3THAME, THAME BR 1B 2A
Table 1
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
REACHES FAILING QUALITY OBJECTIVES
RIVER REACH
UFFINGTOtt BROOK Woolstone Wei Is to OckVENEYMORE STREAM Leach to LeachWESTROP BROOK Source to Bydemill BrookWOODHILL BROOK Stockham Bridge to Chfldrey BrookBOURNE (BERKS) Chapel Row to PangBURCHFIELD BROOK Burghfield Cmn. to Foudry BrookCLAY HILL BROOK Sulhamstead Grn to Burghfield STWCLAY HILL BRXK Burghfield STW to KermetFLEET BROOK Fleet STW to HartFROXFIELD STREAM Froxfield to DunGINGE 8ROOK Lydebank Brook to Odhay Hill DtchGINGE BROOK Odhay Hill Dtch to SCWP (Thames)
HART Fleet Brook to Hart. Witny STWHART Hart. Witny STW to WhitewaterHUGHENDEN STREAM High Wyconfce to WyeKENNET West Kennet to Marlborough STWKENNET Marlborough STW to Hungerford STWKENNET Holy Brook to ThamesKENNET & AVON CANAL Croftn (Sumrft) to Kintbury
LAMBOURN Lanfcourn FFm to KennetMILL BROOK Blewbury to Bradfords BrookOG Bay Bridge to KennetPANG Hampstd Norreys to Bradfield STWPANG Bradfield STW to ThamesSHALBOURNE STREAM ShaIbourne to DunSUL Theale to Pangbourne STWWHITEWATER Hart to Blackwater
LENGTH
(Kms)
5.2902.7303.200
2.500
7.600 6.860
1.200
3.100
2.6501.500
9.630 0.130
2.440
5.090 1.000
13.57020.140
1.31019.470
4.530
9.550
2.120
11.880
7.220
6.500 5.580
3.460
24/03/92
SAMPLE POINT RQO CLASS
ACHIEVED
UFFINGTON BK, HOOR KILL FH
VENEYMORE STR SOM DS FFMUESTROP BROOK BELOW CROUCH FARM, HIGHUORTHUOOOHILL BROOK ABOVE CHILDREY BROOK
BOURNE (BERKS) ABOVE PANGBURGHFIELD BROOK ABOVE FOUDRY BK
CLAY HILL BK US BURGHFIELD STW
CLAY HILL BK DS BURGHFIELD STWFLEET BK US HARTFROXFIELD STREAM ABOVE DUN
GINGE BK, B4016 SUTTON CRTENAYGINGE BK US THAMESHART, HARTFORD BR
HART, LEA BR HAZELEYHUGHENDEN STREAM AT BELLFIELD ROAD
KENNET, MARLBOROUGH GSKENNET, STITCHCOMBE MILL
KENNET 100M US THAMESK & A CNL, FROXFIELD BR
LAMBOURN, A4 NEWBURY
MILL BROOK BELOW SOUTH MORETON STWOG 100M US KENNET
PANG, STANFORD OINGLEY
PANG, PANG80URNE GS
SHALBOURNE STR, SMITHAM BR
SUL, SULHAM BR
WHITEWATER US BLACKWATER
1B
1A2B
1B
1A1 A
1A
2B
2B1A
IB2B2A
2A1B1A
1A
181A1A
1A
1A
1A
1A
1A18
1B
31B3
2A181B1B
331B
2A
32B
282A1B1B
2A
1B1B
IB
18
2A
1B
182A
2A
Table 1
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
REACHES FAILING QUALITY OBJECTIVES
RIVER REACH
BOURNE Woburn Park to ThamesBOURNE (NORTH) Chertsey STW to Bourne
BOURNE (SOUTH) West End Contnon to BourneCRANLEIGH WATERS Cranl'gh STW to WeyGATWICK STREAM Peas Pottage to Crawley STW
OCK (SURREY) Hamfoledon to WeyTHAMES Wey to MoleTILLINGBOURNE Shere to Albury FFm
TILLINGBOURNE AIbury FFm to WeyWEY (NORTH) Alton to Bentley STWBULBOURNE Northchurch to GadeCATHERINE BOURNE Shenley STW to Minnshall BrookCOLNE Hartsbourne to Gade/GUCGADE Great Gaddesdon to BuibourneGADE Buibourne to Gade Avenue SWOGADE Gade Avenue SWO to Croxley HillGUC (BOXMOOR REACH) Buibourne to Gade
GUC (CASSIOBURY RCH) Source to GadeGUC (CROXLEY REACH) Source to GadeGUC (FROGMORE REACH) Source to GadeGUC (PIX FARM REACH) Source to Berkhamsted STWGUC (PIX FARM REACH) Berkhamsted STW to BuibourneMISBOURNE Bury End Arm to Chalfnt S.GilesPORTLANE BROOK Feltham to Thames
SALISBURY HALL BROOK London Colney to ColneTAN HOUSE STREAM Source to Horton BrookVER Dolittle Mill to Sopwell St.Alb
LENGTH
(Kms)
1.0606.330
22.200
11.77014.160
6.94010.5303.930
5.28010.5709.700
3.250
3.9107.500
11.3201.8102.200
1.930 1.970 1.020 1.730
1.480
4.780 5.420
0.600
1.210
9.030
24/03/92
SAMPLE POINT RQO CLASS
ACHIEVED
BOURNE US THAMES 1B 2ABOURNE N, HAMPERSTONE BR 2A 2BBOURNE Sf MIMBRIDGE CHOBHAM IB 2ACRANLEIGH VTRS, RUN CMMN 1B 2AGATWICK STR, TINSLEY BR IB 2AOCK ABOVE WEY 1A 1BTHAMES, MUD WALTON INTAKE IB 2ATILLINGBOURNE US ALBURY FFM 1A 1BTILLINGBOURNE, SHALFORD INTAKE 1A 1BWEY N, HILL CRT BR WYCK IB 2ABULBOURNE US GADE 1A IBCATHERINE BRN, RABLEY PK 1A 2ACOLNE, HAMPER MILL OXHEY IB 2AGADE, WTR END 1A IBGADE/GUC, HUNTON BR 1A 2AGADE US CROXLEY CENTRE WATFORD 1B 2AGUC (BOXMOOR REACH) AT FISHERIES LANE, CHAULDEN 1B 2AGUC (CASSIOBURY REACH) AT GADEBANK, CROXLEY 1B 2AGUC AT LOT MEAD LOCK 1B 2AGUC AT DURRANTS HILL RD 1B 2AGUC US BERKHAMSTED STW 1B 2AGUC 1500M DS BERKHAMSTED STU 2B 3MISBOURNE, BURY END AMERSHAM 1A 1BPORTLANE BK US THAMES 1B 2A
SALISBURY HALL BK US COLNE 1B 2ATANHOUSE STR, A4 COLNBROOK 2B 3VER, GORHAMBURY 1A 2A
Table 1
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
REACHES FAILING QUALITY OBJECTIVES
RIVER REACH LENGTH
(Kms)
VER Sopwell St.Alb to Colne 6.570YEADING BROOK EAST Source to Yeading Brook 6.720
LEE Luton Hoo Lakes to Luton STU 3.050
BEVERLEY BROOK W'cester Pk STW to Pyl Brook 2.370
SAMPLE POINT RQO CLASS
ACHIEVED
VER US COLNE 1A IBYEADING BROOK EAST ABOVE PRIORS FARM, RU 2B 3
LEE US LUTON STU 2B 3
BEVERLEY BK, MOTSPUR PK 3 4
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
AMPNEY BROOK Source to Poulton Stream 9.290
AMPNEY BROOK Poulton Stream to Thames 3.320ASHBY BROOK Moreton Brook to Cherwell 6.960
AUDLEY BROOK Stratton Audley to Langford Brook 1.2S0
BAGPUIZE BROOK Kngstn Bagpuize to Ock 2.540
BALDON BROOK Source to Garsington Str 1.050BALDON BROOK Garsington Str to Thame 7.010
BATTENER BROOK Cassington to Thames 1.630
BEAR BROOK Wellonhead Str to Thame 12.300BENNETTS DITCH Source to Thame 1.960
BLACK DITCH Old Railway to Kingsey Cuttle 1.900
BLEDINGTOtJ BROOK Source to Evenlode 5.780
BLETCHINGOON BRXK Bletchingdon to Gallos Brook 3.500
BIOXHAM BROOK M U combe to Sor Brook 7.800BLUE BROOK Source to Cornwell Brook 5.480
BLUNSDOM BROOK Broad Blunsdon to Thames 5.130
B0DD1NGTN CNL FEEDER Bodd.Res'voir to Ox Canal Upper 5.400BROADWELL BROOK Source to Radcot Cut 9.100BURCOT BROOK Marsh Baldon to Thames 5.350BYDEHILL BROOK Source to Thames 10.460
BYFIELD BRXK Source to Cherwell 3.510
CERNEY WICK BROOK South Cerney to Thames 5.500
CHACOMBE BRXK Chacombe STU to CherwelI 3.190
CHADLINGTON STREAM Source to EvenIode 1.550
CHALGROVE BROOK Source to Thame 12.100
CHERVELL Source to Banbury Utr Int 33.950
CHERWELL Banbury Utr Int to Banbury STU 3.100
SAMPLE POINT ROO CLASSACHIEVED
AMPNEY BK AT AMPNEY MILL 1A 1A
AMPNEY BK, SHEEPEN BRIDGE 1A 1A
ASHBY BROOK AT BLACKBIRD HILL FARM 1B 1B
AUDLEY BROOK AT STRATTON AUDLEY 2B 2A
BAGPUIZE BROOK AT SWANNYBROOK 2B 2A
1B NoSPTBALDON BK US THAME 26 1BBATTENER BROOK ABOVE THAMES 2B 1B
BEAR BK US THAME 2B 1ABENNETS DITCH AT A418 ROADBRIDGE 1B 1BBLACK DITCH AT A4129 1B 2A
BLEDINGTON BROOK ABOVE EVENLODE 2B 1A
BLETCHINGDON BROOK ABOVE GALLOS BROOK 1B 1BBLOXHAM BROOK ABOVE SOR BROOK, WEST ADDERBURY IB 1A
BLUE BK, SWAILSFORD BR 2B 2A
BLUNSDON BROOK AT ROADBRIDGE, WATER EATON 2B 2ABODDINGTON CANAL FEEDER ABOVE OXFORD CANAL 2B 2A
BROADWELL BK, FRIARS CRT IB 1A
BURCOT BROOK, ABINGDON RD BURCOT 2B 1ABYDEMILL BROOK ABOVE THAMES, HANNINGTON 2B 3BYFIELD BROOK ABOVE CHERWELL 18 IB
CERNEY WICK BK, SPINE RD 2B 1B
CHACOHBE BROOK ABOVE CHERWELL 1B 1A
CHADLINGTON STREAM ABOVE EVENLOOE AT SHORTHAMPTON 1B 1A
CHALGROVE BK, CHISELHAMPTON BR 1B 1B
CHERWELL, GRIMSBURY INTAKE IB 1A
CHERWELL US BANBURY STW 2B 1B
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH
CHERWELL Banbury STW to Kings Suttn StrCHERWELL Kings Suttn Str to Somerton BridgeCHERWELL Somerton Bridge to Ox Canal Middle
CHERWELL Ox Canal Middle to Ray (Oxon)CHERWELL Ray (Oxon) to Thames
CHIIDREY BROOK Source to Ock
CHURN Seven Springs to Siddington HillCHURN Siddington Hi 11 to ThamesCLIFTON HAMPDEN DTCH Clifton Hampden to Thames
COLE Ualcot to Tuckmill Brook
COLE Tuckmill Brook to ThamesCOLN Source to Comp Abdale Str
COLN Comp Abdale Str to Bibury Trout FmCOLN Bibury Trout Fm to Hill Race BibryCOLN Mill Race Bibry to Bibury STW
COLN Bibury STW to Fairford HillCOLN Fairford Nill to Dudgrove StreamCOLN Dudgrove Stream to Thames
COLWELL BROOK Source to Witney STWCOLWELL BROOK Wftney STU to Emms DykeCORNWELL BROOK Source to EvenlodeCRENDON STREAM Crendon STW to Thame
CRESLOU BROOK Whitchurch STW to Hardwick BrookCROUGHTON BROOK Source to Ockley Brook
CULUORTH BROOK Thorpe Mandvlle to CherwellDANES BROOK Honeyburge to Horton*Cun*StudDANES BROOK Horton*Cun*Stud to Holton Brook
LENGTH(Kms)
7.2609.41019.57010.73012.360
15.70025.10012.150
0.92013.070
14.540
16.750
15.5800.310
0.990
9.2007.840
0.9601.4000.700
16.470
1.140
1.6004.000
4.300
2.3502.250
SAMPLE POINT RQO CLASS
ACHIEVED
CHERUELL, TWYFORD BR 3 IBCHERWELL US CNL X-OVER AYNHO 2A 1BCHERWELL, HEYFORD BR 2A 1ACHERWELL, GOSFORD BR 2A 1ACHERWELL, MARSTON RD OXFORD 2A 1ACHILDREY BK, HILL RD KARCHAM 28 2ACHURN, N CERNEY 1A 1ACHURN, CERNEY WICK GS 1A 1ACLIFTON HAMPDEN DITCH ABOVE THAMES 2B 2ACOLE, ACORN BRIDGE, BOURTON 1B 1ACOLE, B4019 COLESHILL 1B 1ACOLN, UlTHINGTON 1A 1ACOLN, FOSSEBRIDGE 1A 1ACOLN 10M DS BIBURY FFM 18 1BCOLN, CRT FH BR 81 BURY 1B 1ACOLN, BIBURY GS 1B 1BCOLN, WHELFORD BR 1A 1A
COLN, ROUNDHOUSE LECHLADE 1A 1BCOLWELL BROOK AT AA095 1B 1ACOLWELL BK, A415 WITNEY 3 2BCORNWELL 8K, KINGHAM 2B 1BCRENDON STREAM ABOVE THAME 3 2ACRESLOW BROOK ABOVE HARDWICK BROOK 2B 1BCROUGHTON BROOK AT A41 ROADBRIDGE, AYNHO 1B 1ACULWORTH BROOK ABOVE CHERWELL 1B 1A
1A NoSPTDANES BK US HOLTON BK 1B 1B
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT * ALL REACHES
RIVER REACH LENGTH
(Kms)
DEDDINGTON BROOK Source to CherwelI 16.100
DENTON BROOK Source to Cuddesdon STW 1.470
DENTON BROOK Cuddesdon STU to Thame 1.050
OERRY BROOK Source to Swill Brook 6.700
DIKLER Source to Hyde Mill Ditch 5.950
DIKLER Hyde Hi 11 Ditch to Bourton otw STU 3.820
DIKLER Bourton otu STU to Uindrush 2.390
DORN Little Tew Dtch to Glyme 16.500
DORTON BROOK . Brill to Chearsley Brook 3.800
DUDGROVE STREAM Source to Coin 7.200
EMMAS DYKE Uitney to Colwell Brook 1.500
EMMAS DYKE Colwell Brook to Ducklington 0.150
EMMAS DYKE Ducklington to Uindrush 0.500
EVENLODE Source to Cornwell Brook 17.840
EVENLOOE Cornwell Brook to Charlbury STU 19.950
EVENLODE CharIbury STU to Glyme 18.160
EVENLODE GLyme to Thames 8.250
EYE Chalk Hill to Dikler 9.910
EYNSHAM WHARF STREAM Chit/Linfe Brook to Thames 0.890FARINGDON BROOK Source to Thames 6.770
FARNBOROUGH DITCH Avon Dassett to Hanwell Brook 3.100
FARTHINGKOE STREAM Marston St.Lawr to CherwelI 10.120
FILCHAMPSTEAD BROOK Dean Court to Thames 2.200FLEET MARSTON BROOK Franks Ditch to Thame 7.680
FOUR SHIRE STREAM Fire Collge Str to Evenlode 1.200GAINSBRIDGE BROOK Haseley Uood to Lttle Miltn STU 1.740
GAINSBRIDGE BROOK Lttle Miltn STU to Thame 1.950
SAMPLE POINT ROO CLASSACHIEVEO
DEDDINGTON BROOK AT COLD HARBOUR FARM, DEDDINGTON 1B 1B
DENTON BROOK AT DENTON IB 3DENTON BROOK AT CHIPPINGHURST MANOR, LITTLE MILTON 2B 2A
DERRY BK, ASHTON KEYNES BR 2B 18
DIKLER, DONNINGTON BREUERY 1A 1B
DIKLER US BRTN-ON-THE-WTR STW 1A 1ADIKLER, BOURTON-ON■T H E•WTR BR 1A 1A
DORN US GLYHE MILFORD BR 1B 1A
DORTON BROOK ABOVE CKEARSLEY BROOK, DORTON 28 1B
DUDGROVE STR, RAF FAtRFORD 1A 1A
EMMAS DYKE, EMMAS BR WITNEY 2B 1B
EMMAS DYKE BELOW COLWELL BROOK, DUCKLINGTON 3 2A
EMMAS DYKE, KOORS DUCKLINGTON 2B 2AEVENLODE, ODDINGTON 1B 1B
EVENLODE, SHIPTN*UNDR-UYCHWOOD 1B 1A
EVENLODE DS ASHFORD BR 1B 1A
EVENLODE, B4449 CASSINGTON 1B 1A
EYE, LWR SLAUGHTER MILL 1A 1AEYNSHAM WHARF STREAM AT B4044 1B 2AFARINGDON BRXK AT A4G95, GREAT FARINGDON 1B 1B
FARNBOROUGH DITCH AT COLLEGE FARM TRACK 1B 1A
FARTHINGHOE STR US CHERWELL 2B 1B
FILCHAMPSTEAD BK US THAMES 1B 2A
FLEET MARSTON BK US THAME 3 2A
FOUR SHIRE STR, CKMN BR 2B 2A
GAINSBRIDGE BROOK ABOVE LITTLE MILTON STW 1A 1B
GAINSBRIDGE BK, LTL MILTON 2B 1B
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
GALLOS BROOK Caulcott to Ray Oxon 13.700
GARS1NGTON STREAM Garsington STU to Baldon Brook 0.600
GLYME Source to Uoodstock STU 21.730GLYME Uoodstock STU to Evenlode 5.470
GREAT BROOK Thames to Shill Brook 3.700GREAT BROOK Shill Brook to Thames 2.700GUBBINSHOLE DITCH Source to Ray Oxon 4.410GUC (AYLESBURY ARM) Source to California Bk 9.860GUC (PITSTONE REACH) Suimit to GUC (Aylesbury) 3.910GUC (UEND0VER ARM) Source to GUC (Pitstone) 2.030HALFACRE BROOK Clanfield to Radcot Cut 2.100
HALTON BROOK Halton to Bear Brook 2.360HANBOROUGH STREAM Church Hanboro' to Evenlode 3.170
KANUELL BROOK Avon Dassett to Ox Canal Upper 14.000HARCOURT BROOK Stantn Harcourt to LI rib Brook 2.870
HARDUICK BROOK Source to Thame 16.120HASELEY BROOK Source to Uarpsgrove Dtch 8.300
HASELEY BROOK Uarpsgrove Dtch to Thame 5.850HAYDON WICK BROOK Haydon Wick to Ray 2.800
HAZLEFORD BROOK Source to Uindrush 8.810
HENTON STREAM Chinnor STW to Kingsey Cuttle 1.600
HEYTHR0P STREAM Source to Glyme 4.500
HIGHFURL0NG BROOK Priors Marston to Cheruell 13.770HIGHMOOR 3ROOK Source to Shill Brook 6.220
HOLTON BROOK Source to Thame 7.800
KOOK NORTON BROOK Source to Swere 5.600
HORNTON STREAM Hornton to Sor Brook 3.700
* v ‘
I
SAMPLE POINT RQO CLASS
ACHIEVED
GALLOS BK US RAY OXON ISLIP 2B IB
GARSINGTON STREAM AT 8480, GARSINGTON 2B 3GLYME, WOOTTON 1A 1AGLYME, A34 WOODSTOCK IB 1A
GREAT BK, ISLE OF WIGHT BR IB 1BGREAT BK, CHIMNEY LANE ASTON . 1B 1BGUBBINSHOLE DITCH AT GUBBIN'S HOLE, MARSH GIBBON 2B 2AGUC, COLLEGE BR ASTON CLINTON 2A 3
2A <0ata
GUC WENDOVER, TRING BR 1B 1BHALFACRE BROOK BELOW CLANFIELD 2B 3
HALTON BK, A41 US BEAR 8K 18 1AHANSOROUGH STR, CITY FM 18 1AHANWELL BK US OXFORD CNL 2B 1B
HARCOURT BROOK ABOVE LIMB BROOK 1B 3HARDWICK BK, HARDWICK 2B 1BHASELEY BROOK ABOVE WARPSGROVE DITCH IB 1B
HASELEY BK US THAME 2B 18HAYOON WICK BK, MOULDON GS 1B 1BHAZLEFORD BK, TAYNTON BR 1A 1A
HENTON STREAM ABOVE KINGSEY CUTTLE BRXK 3 3
HEYTHROP STREAM ABOVE GLYME, ENSTONE 1B 1A
HIGHFURLONG BK US CKERWELL IB 1B
HIGHMOOR BROOK DS BRIZE NORTON STREAM 1B 2A
HOLTON BK US THAME 1B 2A
HOOK NORTON BROOK AT WIGGINTON 1B 1A
KORNTON STREAM ABOVE SOR BRXK 1B 1A
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH
HORSENDEN STREAM
HORSENDEN STREAM KENCOT BROOK
KEY
KINGS SUTTON STREAM KINGSEY CUTTLE BROOK
LANGFORD BROOK
LANGFORD BROOK LASHLAKE STREAM LATCHFORD BRXK LAUNTON BRXK
LEACH LEACH
LENTA BRXK LENTA BRXK EAST LERTUELL BRXK
LETCOMBE BRXK
LETCOMBE BRXK LETCOMBE BROOK
LEWKNOR BRXK
LEYS FARM DITCH
LIDEN BRXK
LIMB BRXK
LITTLE COMPTON STR
LITTLESTOCK BRXK
LUDGERSHALL BRXK LYDIARD BRXK
Princes Risboro
Princes Risboro Source Source
Upper Astrop SourceStratton Audley
Bicester STU
Thame STW Tetsworth Cmn
Poundon Hill North leach L.Faringdon FFm
Bishopstone Lenta Brook Ashbury
Source
A417 WantageWantage STU Lewknor STW
Upper Heyford
Liddington
South Leigh
Source Fifield
Ludgershall
Source
Princes Risboro Kingsey Cuttle Shill Brook Thames
Cherwell Scotsgrove Bk
Bicester STU
to Ray Oxon
to Scotsgrove Bk to Haseley Brook
to Cutters Brook
to L.Faringdon FFm Thames
to Coleto Cole (East) to Tuckmill Brook to A417 Wantage
to Wantage STWto ChiLdrey Brook to Chalgrove Brook
to Gallos Brook
to Cole
to Eynsham Wha Str to Eventode
to Evenlode
to Ray Oxon
to Rodbourne Tip
to
tototo
toto
to
to
LENGTH
(Kms)
0.380
6.4605.100
10.700
2.8009.670
6.580
5.420
0.500 5.300
4.57027.1303.420
6.470
2.450 2.060
4.580
4.660 4.340 6.720
6.020
8.170
7.000
6.860
4.000
3.000
3.700
SAMPLE POINT RQO CLASSACHIEVED
HORSENDEN STREAM AT BROOKE ROAD, PRINCES RISBORO1 1B IB
HORSENDEN STREAM AT THE FORD, BLEDLOW 3 1A
KENCOT BROOK B4020, ALVESCOT IB IB
KEY, A419 BR CR1CKLADE 2B IB
KINGS SUTTON STRM BELOW KINGS SUTTON STU 28 2A
KIHGSEY CUTTLE BK US SCOTSGROVE BROOK IB 1B
LANGFORD BK, A41 BICESTER IB 2A
LANGFORD BK US RAY OXON 3 3
LASHLAKE STREAM ABOVE SCOTSGROVE BROOK 3 3
LATCHFORD BROOK AT LATCHFORD 3 IB
LAUNTON BROOK ABOVE CUTTERS BROOK 2B 3
LEACH US LTL FARINGDON FFM 1A 1ALEACH, B4449 LECHLADE U 1A
LENTA BROOK AT HINTON MARSH FARM IA 16
LENTA BRXK (EAST) AT A420 ROADBRIDGE 1B 2A
LERTWELL BROOK 150M BELOW ZULU BUILDINGS,, ASHBURY IB IB
LETCOH8E BK, LOCKS LANE 2B 1A
LETCOMBE BK US WANTAGE STU 2B 1BLETCOMBE BK, WEIR FM E HANNEY 2B 2ALEWKNOR BRXK AT ROADBRIDGE, NR PYRTOH 2B 1A
LEYS FARM DITCH AT A4095 2B 16
LIDEN BROOK 100M BELOW WANBORXGH RD IB 16
LIMB BRXK AT B4449, NR EYNSHAM IB 16
LITTLE COMPTON STRM AT HEATH END BRIDGE 2B IB
LITTLESTOCK BK US EVENLODE 2B 2A
LUDGERSHALL BRXK AT A41, NR LUDGERSHALL 2B 18
LYDIARD BK DS STW LYDIARD MLCT 1A 18
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT * ALL REACHES
RIVER REACH LENGTH
(Kms)
LYDIARD BROOK Rodbourne Tip to Ray 0.710
MARCHAM BROOK Rockley Heath to Frilford Stream 8.400
MARCHAM BROOK Frilford Stream to Ock 3.600
MARSTON MEYSEY BROOK Source to Thames 7.300
MILTON DITCH Great Mi I ton to Grt MiIton Str 1.090
MILTON DITCH Grt Milton Str to Thame 1.570
MORETON BROOK Moreton Pinkney to Ashby Brook 1.210
NORTHFIELD BROOK NorthfId Bk (W) to Oxford STW 0.260
NORTHFIELD BROOK Oxford STW to Thames 1.510
OCK Longcot to Stnford itv STW 12.450
OCK Stnford itv STW to Bagpuize Brook 8.050
OCK Bagpuize Brook to Thames 13.900
OCKLEY BROOK Source to Cherwell 6.800
OXFORD CANAL (LOWER) Shipton Weir to Kidlington STW 5.860
OXFORD CANAL (LOWER) Kidlington STW to Castle Mill Str 6.760
OXFORD CANAL(MIDDLE) Aynho Weir to Bakers Lock 20.550
OXFORD CANAL (UPPER) Fenny Compton to Bodd. Can Feed 2.520
OXFORD CANAL (UPPER) Bodd. Can Feed to Alcan Intake 10.500OXFORD CANAL (UPPER) Alcan Intake to Anyho Crossover 11.820PEPPERSHILL BROOK Ch iI ton to Shabbington Bk 6.550
PEPPERSHILL BROOK Shabbington Bk to Thame 0.450
POLECAT END DITCH Forest Hill to Holton Brook 0.870
RADCOT CUT St.John's to Great Brook 12.440
RAY Source to Wroughton Ditch 4.520
RAY Wroughton Ditch to Swindon STW 4.470
RAY Swindon STW to Haydon Wick Bk 4.150
RAY Haydon Wick Bk to Thames 7.780
i
0
LYD1ARD BROOK ABOVE RAY (WILTS) 3 IBHARCHAM BK, FYFIELD 2B 2AMARCHAN BK, MILL RD MARCHAM 2B 1B
MARSTON MEYSEY BK AT ROADSIDE BELOW MARSTON MEYSEY IB 1BMILTON DITCH AT GREAT MILTON IB 1BMILTON DITCH AT GREAT MILTON ROAD, WHEATLEY 2B 1B
IB NoSPT
NORTHFIELD BK, MINCHERY FM 3 1B
NORTHFIELD BK, SANDFORD 3 3OCK, STANFORD*IN-THE*VALE BR 1A 1BOCK, OCK BR LYFORD 1A 1B
OCK US THAMES 1B 1BOCKLEY BROOK AT SOULDERN MILL 18 1A
OXFORD CANAL AT THRUPP 2A 1AOXFORD CANAL 1.2 KM DS KIDLINGTON STU 2A 2A
OXFORD CANAL, HEYFORD BRIDGE 2A 1BOXFORD CNL, TUNNEL BR FN CMPTN 2A 2A
OXFORD CNL, CROPREDY BR 2A 2AOXFORD CANAL AT NELL BRIDGE, AYNHO 2A 18PEPPERSHILL BROOK, ICKFIELD BRIDGE 3 1B
PEPPERSHILL BRXK ABOVE THAME 2B 2APOLECAT END DITCH AT POLECAT END LANE, FOREST HILL 3 1B
1B <Oata
RAY US UROUGHTON DT 2B 1B
RAY, MORRIS ST SUINDON 28 1B
RAY, MOREDON BR SUINDON 3 3RAY, TADPOLE BR PURTON 2A 3
SAMPLE POINT RQO CLASSACHIEVED
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
RAY (OXON) Source to Grendon Und STW 7 .7 0 0
RAY (OXON) Grendon Und STW to Langford Brook 16 .770
RAY (OXON) Langford Brook to Gallos Brook 6 .5 8 0
RAY (OXON) Gallos Brook to Cherwell 0 .8 0 0
RISSINGTON DITCH Gt Rissngtn STW to Windrush 1 .060
ROUSHAM BROOK Uingrave STW to Thame 2 .3 6 0
SANDFORD BROOK Sandleigh to Ock 6 .4 0 0
SCOTSGROVE BROOK Little Kimble to Haddenham STW 14 .500
SCOTSGROVE BROOK Haddenham STW to Lashlake Stream 4 .4 6 0
SCOTSGROVE BROOK Lashlake Stream to Thame 1 .040
SHABB1NGTON BROOK Westfield to Shabbington STW 3 .3 0 0
SHABBINGTON BROOK Shabbington STW to Peppershill Bk 1 .050
SHARE DITCH Source to Thames 6 .1 0 0
SHERBORNE BROOK Source to Windrush 19 .980
SHILL BROOK Carterton to Carterton STU 3 .5 1 0
SHILL BROOK Carterton STW to Highmoor Brook 4 .2 9 0
SHILL BROOK Highmoor Brook to Great Brook 4 .5 8 0
SHOUEILS BROOK Priest Hill to Uindrush 1 .100
SLADE BARN STREAM Slade Barn to Uindrush 5 .7 7 0
SOR BROOK Source to Bloxham Brook 22 .670
SOR BROOK Bloxham Brook to Cherwell 4 .9 7 0
SOUTH MARSTON BROOK Source to Cole 5 .2 3 0
STANTON STREAM Stanton STW to Holton Brook 1 .190
STARTOPS END RESERVR Source to GUC (Pitstone) JO. 970
STOCKLAKE BROOK Source to Bear Brook 1 .800
STOKE BROOK Source to Bear Brook 8 .8 0 0
SUMMERSTOUN DITCH Sinmerstoun to Cutters Brook 2 .3 8 0
*
SAMPLE POINT RQO CLASSACHIEVED
RAY OXON, GRENDON UNDERUOOO GS 3 2A
RAY OXON, ARNCOTT BR 3 3RAY OXON, FENCOTT BR 3 2A
RAY OXON, B4027 I SLIP 3 2A
RISSINGTON DT US UINDRUSH LOOP IB 1B
ROWSHAM BROOK ABOVE THAME < 2B IB
SANDFORD BK, A415 MARCHAM 3 1B
SCOTSGROVE BK US HADDENHAM STU 2B 1B
SCOTSGROVE BK, SCOTSGROVE HILL 2B 2A
SCOTSGROVE BK US THAME 2B 1B
SHABBINGTON BK, WESTFIELD 18 1B
SHABBINGTON BK, SHABBINGTON BR 2B 2A
SHARE DITCH AT ROADBRIDGE, CASTLE EATON 2B 2A
SHERBORNE BK DS SHERBORNE STU 1B 1A
SKILL BK US CARTERTON STU IB 1A
SHILL BK, BLACK BOURTON 8R 2B 1BSHILL BK, FISHERS BR BAMPTON 2B 1B
SHOUELLS BROOK AT CRAWLEY 2B 1B
SLADE BARN STREAM BELOW GUITTING POWER STU 1A 1A
SOR BK, BOO1COTE INTAKE 1B 1A
SOR BK, ADDERBURY GS 1B 1B
SOUTH KARSTON BK, NIGHTINGALE LANE 2B 1A
STANTON STREAM ABOVE HOLTON BROOK 2B 1ASTARTOPS END RESERVOIR AT TRINGFORD 2B 18
STOCKLAKE BROOK ABOVE BEAR BROOK 2B 1B
STOKE BROOK ABOVE BEAR BROOK 1B 1A
SUMMERSTOWN DITCH 100M BELOW HARSH GIBBON STU 2B 2A
Table 2
RIVER QUALITY' ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
SWERE Source to Barfrd St.M STU 17.490
SUE RE Barfrd St.H STU to Cherwell 7.390SWILL BROOK Uest Crudwell to Flagham Brook 9.980
SWILL BROOK Flagham Brook to Thames 3.620
THAME Marsworth to Fleet Marstn Bk 23.940
THAME Fleet Marstn Bk to Mains Br. Uinch 5.190
THAME Mains Br. Winch to Scotsgrove Bk 10.530
THAME Scotsgrove Bk to Peppershill Bk 8.770
THAME Peppershill Bk to Chalgrove Brook 18.140
THAME Chalgrove Brook to Thames 10.340
THAMES Source to Swill Brook 11.150
THAMES Swill 8rook to Cerney Wick Bk 3.550
THAMES Cerrtey Wick Bk to Key 3.950
THAMES Key to Ray 1.450
THAMES Ray to Share Ditch 7.350
THAMES Share Ditch to Bydemill Brook 3.820THAMES BydemiLl Brook to Coin 2.870
THAMES Coin to Shifford Weir 22.530
THAMES Shifford Weir to Bablock Hythe 12.410THAMES BabIock Hythe to Evenlode 7.970
THAMES Evenlode to Castle Mill Str 9.270
THAMES Castle Mill Str to Cherwell 1.360
THAMES Cherwell to Sandford Lock 4.410
THAMES Sandford Lock to Ock £.510
THAMES Ock to Thame 15.240T1DD1NGTON BROOK Tiddington STW to Thame 0.820TOUERSEY BROOK Towersey to Kingsey Cuttle 1.280
SAMPLE POINT RQO CLASSACHIEVED
SWERE, SOUTH NEWINGTON IB 1A
5UERE, BLOXHAM BR 18 1ASWILL BROOK AT OAKSEY LANE 1A 1B
SWtLL BK, PIKE CNR ASHTON KYNS 1A 1B
THAME, STONE BR AYLESBURY 2B 3
THAME US EYTHROPE LAKE 1B 3
THAME, CUDDINGTON BR 1B 1B
THAME, THAME BR 1B 2A
THAME, WHEATLEY BR 1B 1B
THAME, DORCHESTER BR 1B 1A
THAMES, SOMERFORD KEYNES BR 1B 18
THAMES, WATERHAY BR ASHTON KNS 1B 1A
THAMES, CRICKLADE 1B 1A
THAMES AT EYSEY 1B 1B
THAMES, CASTLE EATON 2A IBTHAMES, HANNINGTON BR 2A IBTHAMES, INGLESHAM 2A 1B
THAMES, BUSCOT INTAKE 2A 1ATHAMES, NEWBRIDGE 1B 1ATHAMES, FARMOOR INTAKE 18 1A
THAMES, TROUT INN GOOSTOW 1B 1A
THAMES, FOLLY BR OXFORD 1B 1A
THAMES, DONNINGTON 8R OXFORD 2A 1A
THAMES, RADLEY COLLEGE 2A 1A
THAMES, DAYS LOCK IB 1A
TIDDINGTON BROOK ABOVE THAME, TIDDINGTON 2B 18
TOWERSEY BROOK ABOVE KINSEY CUTTLE BROOK 3 18
l
Table 2
* »;
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
OXFORD DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
TRAMROAD DITCH Gipsey Bottom to Wooton Brook 3.400TUCKMILL BROOK Idstone to Shrlvenham STU 7.120TUCKMILL BROOK Shrivenham STU to Cole 2.610UFFINGTON BROOK Uoolstone Wells to Ock 5.290VENEYMORE STREAM Leach to Leach 2.730WADLEY STREAM Source to Thames 8.850UARPSGROVE DITCH Chalgrove STW to Haseley Brook 1.110
WATERLOO DITCH Source to Cole 4.200
WENDOVER BROOK Uendover STW to Bear Brook 5.400WESTROP BROOK Source to Bydemill Brook 3.200
WHEATLEY DITCH Littleworth to Wheatley STW 3.620
WHEATLEY DITCH Wheatley STW to Thame 0.280WINDRUSH Taddfngton to A429 Boorton Ot 19.020WINDRUSH A429 Bourton Ot to Dikler 3.790
WINDRUSH Oikler to Sherborne Brook 8.250WINDRUSH Sherborne Brook to Hazelford Brook 6.770WINDRUSH Hazel ford Brook to Burford STU 3.670
WINDRUSH Burford STW to Uorsham 7.780
WINDRUSH Worsham to West Arm 22.200UINDRUSH West Arm to Thames 1.600u o o d h i l l b rook Stockham Bridge to Childrey Brook 2.500
WORMINGHALL BROOK Source to Uortninghall STW 3.610
WORMINGHALL BROOK Worminghall STW to Thame 3.420
WROUGHTON DITCH Uroughton STU to Ray - .0.900
I
SAMPLE POINT RQO CLASS
ACHIEVED
TRAMROAD DITCH ABOVE WXTON 8K, UOOTON UNDERWOOD 2BTUCKMILL BK, A420 SHRIVENHAM 18
TUCKMILL BK DS SHRIVENHAM STU 2B
UFFINGTON BK, MXR MILL FH IBVENEYHORE STR SOM OS FFM 1AUADLEY STREAM AT DUXFORD • 2B
WARPSGROVE DITCH NEAR RESERVOIR, CHALGROVE COMMON 3WATERLOO DITCH AT COLESHILL 1BUENDOVER BK, BROOK END 2BUESTROP BRXK BELOW CROUCH FARM, HIGHUORTH 2B
1BWHEATLEY DITCH AT SUPERSTORE CAR PARK, UHEATLEY 2BUINDRUSH, HARFORD BR 1AWINDRUSH, BOURTON*ON*THE-UTR 1AWINDRUSH, NEU BR 1KM DS OIKLER 1AUINDRUSH, THE FOX LITTLE BARRINGTON 1AUINDRUSH US BURFORD STW 1A
WINDRUSK, WORSHAM INTAKE 1AUINDRUSH, BEARD MILL 1BUINDRUSH, NEWBRIDGE GS 1B
WOOOHILL BRXK A80VE CHILDREY BRXK 18
UORMINGHALL BK, B4011 8R 1B
WORMINGHALl BRXK AT ICKFORD ROAD, WORMINGHALL 2B
VfROUGHTON DITCH BELOW WROUGHTON STW 2B
IBIB
IB
3IB
2A
2A1A
1B3<Data2A
i
*
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991V
READING DISTRICT - ALL REACHES
Table 2
RIVER REACH LENGTH
(Kms)
ALDBOURNE Uhi ttonditch to Knighton Loop 1.300
ALDERSHOT STREAM Source to Kennet 0.280ASHRIDGE STREAM Source to Emm Brook 2.420
BAGNOR STREAM Bagnor Mill to Lamboum 0.640
BARKHAM BRXK Source to Loddon 6.900
BASINGSTOKE CANAL GreywelI to Eelmoor Bridge 19.895
BASINGSTOKE CANAL Eelmoor Bridge to Wey Nav 29.985
BAUGKURST BRXK Pound Green to Enborne 5.700
BEENHAM STREAM Beenham Grange to Kennet 4.120
BLACKWATER Aldershot to Aldershot STU 4.460
BLACKWATER Aldershot STW to Aid. Mltry STU 3.180BLACKWATER Aid. Ml try STW to Ash Vale STU 1.720
BLACKWATER Ash Vale STU to Farnborough STU 0.780
BLACKWATER Farnborough STW to Cove Brook 6.060
BLACKUATER Cove Brook to Camber ley STU 0.840
BLACKWATER Camber Ley STU to Sandhurst STU 3.320
BLACKWATER Sandhurst STW to Eversley 8.220
BLACKUATER Eversley to Uhitewater 4.250BLACKWATER Whitewater to Loddon 2.850
BOURNE (BERKS) Chapel Row to Pang 7.600
BOW BRXK RamsdelI to Loddon 13.240
BRADFORDS BRXK Mill Brook to Thames 2.100
BRIFF LANE STREAM Source to Pang 1.400V. *BULL BRXK A322 to Ascot STU 2.000
BULL BRXK Ascot STU to Cut 4.500
BURGKFIELD BRXK Burghfield Cmn. to Foudry Brook 6.860
CHOLSEY BRXK South Moreton to Cholsey STU 4.570
*
I
SAMPLE POINT RQO CLASS
ACHIEVED
ALDBOURNE STR, RAMSBURY GS 1S 18
ALDERSHOT UTR OS COLTHROP HLLS 1B 1BASHRIOGE STREAM AT TOUTLEY ROAD 2B 1B
1A NoSPT
BARKHAM BK, BARRETTS LANE IB IBBASINGSTOKE CNL, EELMOOR BR 2A 1B
X 1B
BAUGHURST BROOK BELOU ASHFORD HILL TIP 3 1BX NoSPT
BLACKWATER US AL'SHOT TOWN STU 3 2A
BLACKUATER US A'SKOT MLTRY STU 3 3BLACKWATER, LYNCHFORD BR 3 2ABLACKUATER US FARNBOROUGH STU 3 2BBLACKUATER, FRIMLEY BRS 3 2ABLACKUATER US CAMBERLEY STU 2B 2ABLACKUATER US SANDHURST STU 2B 2ABLACKUATER DS SANDHURST STU 2B 2A
BLACKWATER US UHITEWATER 2A 2ABLACKUATER, SWALLOUF1ELO GS 2A 2ABOURNE (BERKS) ABOVE PANG 1A 1B
BOW BK, BOU BR SKERFI ELD 1B IBBRADFORDS BROOK AT A329 UALLINGFORD 18 1B
X MoSPT
8ULL BK US ASCOT STU X IB
BULL BK, WARFIELD PK FM 2B 1B
BURCHFIELD BROOK ABOVE FOUDRY BK 1A 1B
CHOLSEY BK 500M US CHOLSEY STU 1B 1B
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
READING DISTRICT - ALL REACHES
RIVER REACH LENGTH
(Kms)
CHOLSEY BROOK Cholsey STW to Thames 1.850
CLAY HILL BROOK Sulhamstead Grn to 8urghfield STW 1.200
CLAY HILL BROOK Burghfield STW to Kennet 3.100
COVE BROOK Source to Hawley Lake Str 3.780
COVE BROOK Hawley Lake Str to Blackwater 2.700
CUT Source to Bracknell STW 10.250CUT Bracknell STW to Heywood Stream 8.450
CUT Heywood Stream to Canon Hill Bray 2.570
CUT Canon Hill Bray to Thames 2.460
DOUNMILL STREAM Easthanpstead to The Cut 5.380
DUN East Grafton to Kennet 16.190
ECCHINSUELL BROOK EcchinswelI to Enborne 6.620EMM BROOK Pinewood to Lodd on 12.*90ENBORNE West Uoodhay to Bishops Grn STW 13.030
ENBORNE Bishops Grn STW to Baughurst Brook 7.880ENBORNE Baughurst Brook to Kennet 6.050
FAWLEY COURT STREAM Henley STW to Thames 1.440
FISHERMANS BROOK Source to Padworth Stream 5.180FLEET BROOK Church Crookham to Fleet STU 5.760FLEET BROOK Fleet STW to Hart 2.650
FOUDRY BRXK Devil'S Highway to S.Mortimer STU 2.190
FOUDRY BRXK S.Mortimer STU to Kennet 10.470
FROXFIELD STREAM Froxfi eld to Dun 1.500G1NGE BRXK West Ginge to Lydebank Brook ,'3.200
GINGE BRXK Lydebank Brook to Odhay Hill Dtch 9.630
GINGE BRXK Odhay Hi 11 Dtch to SCUP (Thames) 0.130
GLORY MILL BACKWATER Woburn Grn Mill to Uye 0.550
♦
SAMPLE POINT RQO CLASS
ACHIEVE
CHOLSEY BK 500M DS CHOLSEY STU 3 3
CLAY HILL BK US BURCHFIELD STU 1A 1B
CLAY HILL BK OS BURGHFIELD STU 28 3
COVE BK DS RAE INTERCEPTOR 2B 1B
COVE BK US BLACKUATER 2B 18
CUT, PITTS BR BINFIELD 3 2A
CUT, BUCK BR BINFIELD 3 3
CUT, CANNON HILL BRAY UICK 2B 2A
CUT US THAMES 2A 2ADOWNHILL STR US THE CUT 2B 1B
DUN, HUNGERFORD GS 1A 1A
ECCHINSUELL BK, A339 HEADLEY 1A 1A
EMM BK, MERRYKILl BR UINNERSH 2B 18
ENBORNE, A343 NEWBURY 1A 1A
ENBORNE, THORNFORD RD HEADLEY 1A 1AENBORNE, BRIMPTON GS 1A 1A
FAULEY COURT STREAM AT GARDEN CN, HENLEY 3 3
1A NoSPTFLEET BK US FLEET STU 2B 18FLEET BK US HART 2B 3
FOUDRY BK, MORTIMER STATION 1B ' 1B
FOUDRY BK, HARTLEY CRT FM 18 1B
FROXFIELD STREAM ABOVE DUN 1A IB
GINGE BK, W KENDRED BR 1A 1A
GINGE BK, B4016 SUTTON CRTENAY 1B 2A
GINGE BK US THAMES 2B 3
2B NoSPT
* \
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
READING DISTRICT ■ ALL REACHES
RIVER REACH LENGTH
(Kms)
HART Crondall to Elvetham Pk Bdg 9.730
HART Elvetham Pk Bdg to Fleet Brook 4.310HART Fleet Brook to Hart. Witny STW 2.440HART Hart. Witny STW to Whitewater 5.090HARWELL STREAM Blenheim Hill to Moor Ditch 3.300
HEYWOOO STREAM White Waltham to The Cut 1.500HOLY BROOK Kennet to Kennet 9.300HOWBERY DITCH Benson STW to Thames 0.920
HUGHENDEN STREAM High Wycombe to Wye 1.000JEALOTTS HILL STREAM Jealotts Hill to The Cut 1.450KENNET West Kennet to Marlborough STW 13.570
KENNET Marlborough STW to Kungerford STW 20.140
KENNET Hungerford STW to Newbury STW 17/390KENNET Newbury STW to Aldershot Str 5.940
KENNET Aldershot Str to Enborne 6.090KENNET Enborne to Sulhamstead Str 8.950KENNET Sulhamstead Str to Foudry Brook 8.300
KENNET Foudry Brook to Holy Brook 2.820KENNET Holy Brook to Thames 1.310KENNET & AVON canal Croftn (Stiimft) to Kintbury 19.470KENNET & AVON CANAL Widmead Lock to Woolhampton 6.840
KENNET & AVON CANAL Woolhampton to Ufton 4.450
KINGSCLERE BROOK Kingsclere to Enborne v 7.000
LADYGROVE DITCH Dldcot STW to Moor Oftch - '1.930
LAMB0URN Lamboum to Boxford STU 16.120
LAMS0URN Boxford STW to Lamboum FFm 5.050
LAMB0URN Lamboum FFm to Kennet 4.530
Table 2
I
HART, ELVETHAN PK BR 2B 1B2A NoSPT
HART, HARTFORD BR 2A 2BHART, LEA BR HAZELEY 2A 2BHARWELL STR US DtDCOT PUR STN X 2A
2B 26HOLY 8K US KENNET 1A 1A
HOUBERY DT, A329 BENSON 3 3
HUGHENDEN STREAM AT BELLFIELD ROAD 18 2AJEALOTS HILL STREAM ABOVE CUT X 16KENNET, MARLBOROUGH GS 1A 1B
KENNET, STtTCHCOMBE MILL 1A 1BKENNET, HAMBRIDGE RD NEWBURY 1A 1A
KENNET, THATCHAM STATION 1B 1AKENNET AND CANAL, WOOLHAMPTON 1A 1AKENNET AT UFTON BRIDGE 1A 1A
KENNET, FOBNEY INTAKE 1A 1A
KENNET, BERKELEY AV READING 1B 1AKENKET 100M US THAMES 1B 2AK & A CNL, FROXFIELD 8R 1A 1B
K & A CNL, HIDGHAM BR 16 '1BK & A CNL, UFTON BR 1A 1A
KINGSCLERE BK DS TAN HOUSE FM 1A 1AX NOSPT
LAMBOURN, E SHEFFORD GS 1A 1A
l.AMBOURN, BAGNOR 1A 1A
LAMBOURN, A4 NEWBURY 1A 18
SAMPLE POINT RQO CLASS
ACHIEVED
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
READING DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
LOODON Source to Basingstoke STW 7.810LOODON Basingstoke STW to Lyde 4.580LOODON Lyde to Stanford End Br 8.920LODDON Stanford End Br to Blackwater 4.720LOODON Blackwater to Barkham Brook 5.630
LODDON Barkham Brook to Wargrave STU 12.250
LODDON Uargrave STU to Thames 1.300LYDE Source to loddon 8.700
LYDEBANK BROOK AERE Harwell to Ginge Brook 2.950MAIDENHEAD DITCH Maidenhead STW to The Cut 1.530MARROU BROOK Farnborough to Cove Brook 1.900
MILL BRXK Blewbury to Bradfords Brook 9.550
MINLEY BRXK Source to Fleet Brook 3:610M X R DITCH Milton Hill to Dldcot STU 6.000
M X R DITCH Didcot STU to Thames 3.170ODHAY HILL DITCHES Stonehill House to Ginge Brook 2.080OG Bay Bridge to Kennet 2.120
PADUORTH stream Old Warren to Kennet 5.720
PANG Hampstd Norreys to Bradfield STU 11.880PANG Bradfield STU to Thames 7.220
PYEST0CK TRIBUTARY Source to Cove Brook 1.630
SHALBOURNE STREAM Shalbourrte to Dun 6.500
SILCHESTER 8RXK Tad ley to Silchester STW 3.200
SILCHESTER BRXK SiIchester STU to Foudry Brook )5.200
SUL Theale to Pangbourne STW 5.580SUL Pangbourne STU to Thames 0.530
THAMES Thame to Goring STU 14.230
I
SAMPLE POINT ROO CLASSACHIEVED
LOOOON, PYOTTS BR BASING IB 1B
LODDON, KEEPERS COTTAGE WILDMR 1B 1A
LOODON, LONG BR SKERFIELD 1B 18
LODDON US BLACKWATER, KINGS BR 1B 1B
LOODON, ARBORFIELD BR 2A IB
LOODON, A4 BR TUYFORD 2A 1B
LOODON, LOODON DR WARGRAVE 2A 1A
LYDE.DEANLAND FARM 1A 1A
LYDEBANK BK, FORD LANE 2B 1B
MAIDENHEAD DT, HIBBERT RD 8RAY 2B 2A
MARROW BROOK AT FARM ROAD, FARNBOROUGK X 2A
MILL BROOK BELOW SOUTH MORETON STU 1A IB
MINLEY BRXK AT B3013, FLETT 2B 2A
MOOR DT US DIDCOT STU 3 1B
MOOR DT, B4016 APPLEFORD 3 3
ODHAY HILL DT ABOVE GINGE BK 3 1B
OG 100M US KENNET 1A 1B
PADUORTH STREAM AT BRIDGE 386, PADUORTH 1A 1APANG, STANFORD DINGLEY 1A 2A
PANG, PANGBOURNE GS 1A 1B
PYESTOCK TRIB, IVELEY RO 2B 1B
SHALBOURNE STR, SMITHAM BR 1A 1B
SILCHESTER BK US SILCHESTR STU 2B ,1A
SILCHESTER BK, CLAPPERS FM 2B 1B
SUL, SULHAM BR 1B 2A
SUL, SALTNEY MEAD PANGBOURNE 2B 2A
THAMES, UALLINGFORD BR 1B 1A
i
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
READING DISTRICT * ALL REACHES
RIVER REACH ' LENGTH(Kms)
THAMES Goring STU to Whitchurch STW 8.500THAMES Whitchurch STW to Kennet 12.590THAMES Kennet to Loddon 7.910
THAMES Loddon to Fawley Ct Str 7.590THAMES Fawley Ct Str to Cut 27.230
THAMES Cut to Boveney Weir 3.810VYNE STREAM Sherborne St.Jn to Bom Brook 4.160WEBBS LANE STREAM Source to Bourne 2.300
WEST END BROOK Tadley Cannon to Foudry Brook 6.650WHITEWATER Source to Hart 15.570
WHITEWATER Hart to Bleckwater 3.460WINTERBOURNE STREAM Winterbourne to Bagnor Stream 3.900WYE West Wycombe Pk to High Wycmbe STU 6.540WYE High Uycfflbe STW to Glorymill Back 4.890
WYE Glorynitt Back to Thames 4.270
»
*
SAMPLE POINT RQO CLASSACHIEVED
THAMES US GORING WEIR IB 1ATHAMES, CAVERSHAM WEIR 18 1BTHAMES, SONNING WEIR 1B 1A
THAMES, HENLEY SR 1B 1ATHAMES, COOKHAM BR 1B 1A
THAMES, BOVENEY , IB 1AVYNE STR DS VYNE LAKE 1B 1B
X NoSPTX NoSPT
WHITEWATER, DIPLEY 1A 1A
WHITEWATER US BLACKWATER 16 2AWINTERBOURNE, BAGNOR GS 1A 1A
WYE, BASSETSBURY LANE 2B IBWYE, KING GEORGE V 2B 1BWYE, HEDSOR GS 2B 1A
I
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
GUILDFORD DISTRICT * ALL REACHES
RIVER REACH
BALDHORNS BROOK Source to MoleBOOKHAM BROOK Effingham Cmn. to D'side Mill StrBOURNE Woburn Park to Thames
BOURNE (NORTH) Source to Chertsey STW
BOURNE (NORTH) Chertsey STW to Bourne
BOURNE (SOUTH) West End Cannon to Bourne
BOVENEY DITCH Roundmoor Ditch to Thames
BURSTOU STREAM Crawley Down to Burstow STW
BURSTOW STREAM Burstow STW to Mole
CAKER STREAM Source to Uey (N)
CHALVEY DITCH Slough to Thames
COLLINS BROOK Uithy Copse to Cranleigh Water
COMPTON STREAM Compton to WeyCRANLEIGH WATERS Ellen's Green to Collins Brook
CRANLEIGH UATERS Collins Brook to Water Bridge
CRANLEIGH UATERS Water Bridge to Cranleigh STWCRANLEIGH UATERS Cranl'gh STW to Wey
CRAWTERS BROOK Crawley to Mole
DATCHET COMMON BROOK Upton Lake to ThamesEARLSWOOO BROOK Earlswobd to Mole
FARNHAM PARK TRIB. Hog Hatch to Uey (N)
GATUICK STREAM Peas Pottage to Crawley STW
GATWICK STREAM Crawley STU to Gatwick Pond E
GATUICK STREAM Gatwick Pond E to Mole
HALE BOURNE Berks Golf Cse to Bourne (S)HOLMWOOD STREAM Source to Leigh Brook
LEIGH BROOK Source to Mole
LENGTH(Kms)
I.930 4.450 1.060
14.770 6.330
22.200
1.10011.700
4.760
5.670
5.5001.880
4.3005.390
2.7306.35011.770
6.59010.430 3.180
3.430
14.160
0.200
S rZ.770
15.550 4.970
II.600
II
SAMPLE POINT RQO CLASSACHIEVED
2B NoSPT
2B <Data
BOURNE US THAMES IB 2A
BOURNE N, TKORPEGREEN BR IB 18
BOURNE N, HAMPERSTONE BR 2A 2B
BOURNE S, MIMBRIDGE CHOBHAM 1B 2A
BOVENEY DT US THAMES 3 3
BURSTOU STR, SHIPLEY BR KORLEY 3 1A
BURSTOU STR, MEATHGREEN 8R 3 2A
CAKER STREAM ABOVE ALTON STU 28 2A
CHALVEY DT US THAMES IB 1B
COLLINS BK, COLLINS FH X 3
28 NoSPT
CRANLEIGH UTRS US COLLINS FM 2B 2A
CRANLEIGH UTRS, COLLINS FM 2B 2A
CRANLEIGH UTRS, ELM8RIDGE 2A 2A
CRANLEIGH UTRS, RUN CMHN 18 2A
CRAUTERS BK, LOWFIELD HEATH X 2A
DATCHET COMMON BK US THAMES IB 18EARLSUOOO BK US MOLE X 2A
FARNHAM PARK TRIBUTARY ABOVE UEY (N) 28 2A
GATUICK STR, TINSLEY BR 1B 2A
GATUICK STR US PND E 3 2A
GATUICK STR US MOLE 3 2A
HALE BOURNE, HALEBOURNE LANE 1B 1A
HOLMWOOD STREAM BELOU HOLMUOOO STU 2B 2A
LEIGH BK, LEIGH 8R 2B 1A
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
GUILDFORD DISTRICT ■ ALL REACHES
RIVER REACH LENGTH
(Kms)
MOLE Source to Gatwick Pond B 11.250MOLE Gatwick Pond B to Gatwick Pond D 3.140MOLE Gatwick Pond D to Gatwick Stream 0.200MOLE Gatwick Stream to Horley STU 2.060MOLE Horley STU to Salfords Stream 5.470
MOLE Sal fords Stream to Shag Brook 8.880MOLE Shag Brook to Dorking STU 7.780MOLE Dorking STW to Riv Lane Leath 11.070
MOLE Riv Lane Leath to D'side Mill Str 8.110MOLE O'side Mill Str to Ember 21.780MOLE Ember to Thames 0.480MVEE STREAM Long Cross to Bourne (N) 2.440MYRKE DITCH Upton Park to Thames 1*880OAKHANGER STREAM SeIborne to Slea 6.900
OCK (SURREY) Hambledon to Uey 6.940OCKHAM MILL STREAM Uey to Wey 2.870PIPP BROOK CoIdharbour to Mole 11.440
REDHILL BRXK Whitehill to Salfords Stream 12.360ROUNDMOOR DITCH Burnham STU to Boveney Ditch 4.200SALFORDS STREAM Source to Mole 12.080SALT HILL STREAM Stoke Poges to Chalvey Ditch 7.860SLEA Uorldham to Oakhanger Str 4.700SLEA Oakhanger Str to Uey (South) 5.770STANFORD BRXK Henley Pk. Lake to Rickford Mi 11 \ 5.170STANFORD BRXK Rickford Mill to Uey 12.630THAMES Boveney Ueir to Ronrtey Lock Cut 4.290THAMES Romney Lock Cut to Windsor STW 5.770
MOLE US GATWICK AIRPORT 28 IB
MOLE, TIMBERHAM BR GATUICK 2B 2AMOLE US GATWICK STR 2B 2AHOLE US HORLEY STW 3 2AHOLE, KINNERSLEY MANOR 3 2A
HOLE, FLANCHFORD BR 2B 2AHOLE US DORKING STU 2B 1BMOLE, RIVER LANE LEATHERHEAD 2B 1B
HOLE, STOKE D'ABERNON BR 2A 1BHOLE, ROYAL HILLS ESHER 2A 18
HOLE US THAMES 2A IBX NoSPT
HYRKE DT US THAMES 2B 2BOAKHANGER STREAM ABOVE SLEA 18 1B
OCK ABOVE WEY 1A 1B2B NoSPT
2A 1B
REDHILL BK, KINGS HILL LANE 28 1AROUNDHOOR DT, LAKE END DORNEY 3 3SALFORDS STR US MOLE 2A 1A
SALT HILL STR OS HONTEM LANE 18 1BX NoSPT
IB 1B
STANFORD BK, RICKFORD HILL 2B 1B
STANFORD BROOK AT SMARTS HEATH LANE 2A 1BTHANES 400M DS BOVENEY DT 1B 1B
THANES, SUNNYHEADS INTAKE 1B 1B
I
SAMPLE POINT RQO CLASS
ACHIEVED
*
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
GUILDFORD DISTRICT • ALL REACHES
RIVER REACH LENGTH
(Kms)
THAMES Windsor STW to Uey 16.040
THAMES Wey to Mole 10.530
THAMES Mole to Hogsmi11 4.010
THAMES Hogsmi11 to Teddington 2.700
TILLINGBOURNE Coldharbour to Shere 11.060
TILLINGBOURNE Shere to Albury FFm 3.930
TILLINGBOURNE AIbury FFm to Uey 5.280
WEY Tilford to Godalming STU 20.210
WEY Godalming STU to GuiIdford STU 9.990
WEY Guildford STU to Uoking STW 12.080
WEY Woking STU to Wisley STU 6.210
WEY Uisley STU to Ueybridge STU 5.230
WEY Ueybridge STU to Thames 3.720
WEY NAV (PYRFORD) Source to Wey 8.410
WEY (NORTH) Alton to Bentley STU 10.570
WEY (NORTH) Bentley STU to Farnham Pk Trib 9.740WEY (NORTH) Farnham Pk Trib to Uey 8.020
WEY (SOUTH) Source to Hammer Vie Bdg 6.540WEY (SOUTH) Haimer Vie Bdg to Uey 28.020
II
SAMPLE POINT ROO CLASSACHIEVED
THAMES, NSUC INTAKE CHERTSEY IB 1B
THAMES, KUD WALTON INTAKE IB 2A
THAMES US RAVENS AIT SURBITON 1B 1BTHAMES, TEDDINGTON WEIR 2A 2A
TILLINGBOURNE, SHEEPHOUSE LANE 1A 1A
TILLINGBOURNE US ALBURY FFM 1A 1BTILLINGBOURNE, SHALFORD INTAKE 1A IBWEY US GOOALMING STU 1B 1B
UEY US TILLINGBOURNE 1B 1BUEY, CARTBRIDGE SEND IB 1B
UEY, NEUARK LANE PYRFORD 1B 1BUEY, PLOUGH BR BYFLEET 1B IBUEY US THAMES 18 1B
X 2A
UEY N, HILL CRT BR UYCK 1B 2AUEY N, HATCH KILL FARNHAM 1B 1BUEY N, MOOR PK 8R FARNHAM 2A 2A
UEY (SOUTH), HAMMER VALE BR 2B 1AWEY S, LINDFORD BR BOROON 2A 1B
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
AMERSHAM DISTRICT • ALL REACHES
RIVER REACH LENGTH
(Kms)
ALDERBOURNE Fulmer to Colne Brook 7.110ASH Colne to Ashford D m WTU 8.110ASH Ashford Cim UTU to Thames 2.620
BRENT Dollfs/Muttn Bk to Neasdon Lane 4.710BRENT Neasdon Lane to Uenfcley Brook 2.870BRENT Wembley Brook t o Costons Brook 6 .930
BRENT Costons Brook to Uyke Stream 6.130BRENT Uyke Stream to Tideway 3.370BULBOURNE Northchurch to Gade 9.700
CATHERINE BOURNE Shenley STU to HircmshaU Brook 3.250
CHESS Source to Chesham STU 4.220CHESS Chesham STU to Bois Hill 0.340CHESS Bois Kill to Chenies 3.530CHESS Chenies to Chenies STU 0.340CHESS Chenies STU to Colne 9.470COLNE Colney Heath to Blackbirds STU 10.570
COLNE Blackbirds STU to Hartsbourne 9.040
COLNE Hartsbourne to Gade/GUC 3.910COLNE Gade/Guc to Chess 1.310COLNE Chess to GUC (Harefield) 4.530COLNE GUC (Harefield) to Misbourne 6.780
COLNE Misbourne to Thames 17.960
COLNE BROOK Uxbridge Moor to Thames 15.010
CRANE Yeading Brook to 0. Of N's Lower - -10.160
CRANE D. of N's Lower to Tideway 3.430
DOLL IS BROOK Hendon to Brent 1.800DUKE OF N'UMBERLAND Crane to Tideway 4.260
SAMPLE POINT ROO CLASSACHIEVED
ALDERBOURNE US COLNE BK 2B 1AASH US ASHFORD CMMN UUKS 28 2AASH US THAMES 2B 2ABRENT AT PRIESTLEY UAY, HENDON 3 1B
BRENT, NEASDEN LANE WEM8LEY 3 2ABRENT US WESTERN AV ALPERTON 3 2A
BRENT, UXBRIDGE RD HANUELL 3 1BBRENT/GUC, LOCK 100 BRENTFORD 3 2ABULBOURNE US GADE 1A 1BCATHERINE BRN, RABLEY PK 1A 2A
CHESS US CHESHAM STU 1A 1ACHESS, BOIS HILL CHESHAH 2B 2A
CHESS, LATIMER BR 2A 1B
CHESS, CHENIES 1B 1BCHESS US COLNE 1B 1B
COLNE 100M DS VER 1B 1A
COLNE, BUSHEY MILL LANE 1B 1B
COLNE, HAMPER HILL OXHEY IB 2ACOLNE/GUC US BATCHUORTH LOCK 1B 1BCOLNE/GUC US MAPLE LOOGE STU 1B 1B
COLNE, DENHAH GS 2A 2ACOLNE US THAKES 2A 1A
COLNE BK US THAMES 1B IB
CRANE ABOVE DUKE OF N'S RIV 2B 1B
CRANE, NORTHCOTE RD ISLEUORTH 2B 1B
DOLL IS BK US MUTTON BK HENDON 3 2A
DUKE OF N'S RIV, KIDDS MILL 26 18
*
*
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
AMERSHAM DISTRICT - ALL REACHES
RIVER REACH LENGTH(Kms)
DUKE OF N 1 LAND UPPER Colne to Crane 9.330
ELLEN BROOK Hatfield to Colne 3.470
FELTHAMHILL BROOK Felthamhi11 to Portlane Brook 1.710
FRAYS Colne to Pinn 6.980
FRAYS Pinn to Colne 1.980
GADE Great Gaddesdon to Bulbourne 7.500
GADE Bulbourne to Gade Avenue SWO 11.320
GADE Gade Avenue SWO to Croxley Mi 11 1.810
GADE Croxley Mill to Colne 2.000
GUC (ABOVE BERKHAMST Summit to Bulbourne 7.580
GUC (BATCHWORTH RCH) Source to Colne 2.170
GUC (BLACK JACKS RCH Source to Colne 1.200
GUC (BOXMOOR REACH) Bulbourne to Gade 2; 200
GUC (CASSIOBURY RCH) Source to Gade 1.930
GUC (COWLEY REACH) Source to Iron Bridge 6.540GUC (COWLEY REACH) Iron Bridge to Brent 8.370
GUC (CROXLEY REACH) Source to Gade 1.970
GUC (DENHAM REACH) Source to New Denham Str 5.330
GUC (FROGKORE REACH) Source to Gade 1.020GUC (HAREHELD RCH) Source to Colne 0.650
GUC (KINGS LANGLEY R Source to Gade 1.220
GUC (LADY CAPELS RCH Source to Gade 0.290
GUC (PADDINGTON ARM) Bulls Bridge to Canal Feeder 13.950
GUC (PADDINGTON ARM) Canal Feeder to Camden Road ^0.450
GUC (REGENT'S CANAL) Camden Road to Hertford Union 7.090
GUC (REGENT'S CANAL) Hertford Union to Tideway 2.710
GUC (PIX FARM REACH) Source to Berkhamsted STW 1.730
SAMPLE POINT RQO CLASS
ACHIEVED
DUKE OF N'S R1V (UPPER),RVR GDNS N FLTHH 2B 1BELLEN BROOK AT A414 HATFIELD 1B 1BFELTHAMHILL BK US PORTLANE BK 3 3
FRAYS RIVER AT PACKET BOAT LANE IB IBFRAYS US COLNE 18 1A
GADE, UTR END 1A 1B
GADE/GUC, HUNTON 8R 1A 2AGADE US CROXLEY CENTRE WATFORD 1B 2AGADE US GUC RICKMANSUORTH 1B 1B
GUC, TRING 1B 1B
GUC US SPRINGWELL LOCK 1B 1BGUC AT COPPERHILL LANE HAREFIELD 28 2B
GUC (BOXMOOR REACH) AT FISHERIES LANE, CHAULDEN 1B 2AGUC (CASSI08URY REACH) AT GADEBANK, CROXLEY 1B 2A
GUC, HORTON RD.BRIDGE 28 IBGUC US LOCK 97 2A 2AGUC AT LOT MEAD LOCK 18 2A
GUC AT A40, DENHAH 2B 2AGUC AT DURRANTS HILL RD 1B 2A
28 2A
1B 2A
1B 2A
GUC, EALING RD ALPERTON 2A 2AGUC, WESTBOURNE TRCE PADDINGTN 2A 2A
GUC, CAMLEY ST KINGS X 2B 1B
GUC, SOLEBAY ST MILE END 2B 1B
GUC US BERKHAMSTED STU 1B 2A
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
AMERSHAM DISTRICT • ALL REACHES
RIVER REACH
GUC (PIX FARM REACH)
GUC (SLOUGH ARM)
HARTSBOURNEHORTON BROOKMIMMSHALL BROOK
MISBOURNEMISBOURNEMISBOURNE
MISBOURNENEW DENHAM STREAMNEW YEARS GRN BOURNENEW YEARS GRN BOURNE
OLD RIVER CHESSPI NN
PINN
PORTLANE BROOKPOTTERS BAR BROOK
SALISBURY HALL BROOK
SILK STREAMJAM HOUSE STREAMTYKESWATER
VER
VERYEADING BROOK
YEADING BROOK EAST
YEADING BRXK WEST
Berkhamsted STW
SourceSourcePinewood Studio
ElstreeLttle Missenden Bury End Arm
Chalfnt S.Giles
Gerrards X STW Willow Bank Source
Head of Gravel ChessHarrow Weald
Cannon Brook
Feltham Potters Bar
London Colney
Edgware Source
Aldenhara
Dolittle Mill
Sopwell St.Alb
Yeading E&U
Source
Source
to Bulbourne
to GUC (Cowley) to Colne to Colne Brook to Colne
to 8ury End Arm to Chalfnt S.Giles
to Gerrards X STW
to Colne to Colne
to Head Of Gravel to Frays River to Chess to Cannon Brook
to Frays to Thamesto Mimmshall Brook
to Colne to Welsh Harp to Horton Brook
to Colne
to Sopwell St.Alb
to Colne
to Crane
to Yeading Brook
to Yeading Brook
LENGTH
(Kms)
I.480
7.000 S. 22014.500
9.800
6.2604.780
7.960
4.340 1.100 4.840 1.200 2.05010.430
9.500 5.420 3.330
0.6005.340 1.2107.500
9.030
6.570
' - 7.810
. 6.720
II.300
*
SAMPLE POINT RQO CLASS
ACHIEVED
GUC 1500M DS BERKHAMSTED STU 2B 3
GUC SLOUGH ARM, IVER 2B 2AHARTSBOURNE US COLNE 28 1A
HORTON BK US COLNE BK IB IB
MIMMSHALL BK, UTR END 18 1A
MISBOURNE, LTL HISSENDEN ' . 1A <Data
MISBOURNE, BURY END AMERSHAM 1A 1B
MISBOURNE US GERRARDS X STU 1A 1A
HISBOURNE DS GERRARDS X STU IB 1BNEU DENHAM STREAM AT LIME WALK, NEU DENHAM 2B 1B
NEU YEARS GREEN BRN AT HARVIL RD HAREFIELD X 3NEU YEARS GREEN BRN US FRAYS 10 1B
OLD RIVER CHESS AT LATIMER PARK FARM 1B 1B
PINN US CANNON BK 1B 1APINN US FRAYS 18 1APORTLANE BK US THAMES 1B 2A
POTTERS BAR BK US MIKMSHALL BK 1B 1A
SALISBURY HALL BK US COLNE IB 2ASILK STR, RUSHGROVE PK HENDON 3 2A
TANHOUSE STR, A4 COLNBROOK 2B 3
TYKESUATER US COLNE 1B ' 1A
VER, GORHAMBURY 1A 2A
VER US COLNE 1A , IB
YEADING BK, NORTH HYDE ROAD HAYES 2B 2A
YEADING BK E US PRIORS FARM RSLIP 2B 3
YEADING BK U, USTRN AV HILNGDN 2B 16
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
WALTHAM CROSS DISTRICT * ALL REACHES
RIVER REACH LENGTH
(Kms)
ASH Much Hadham to Wareside STW 4.730
ASH Wareside STW to Lee 7.870
BEANE Stevenage Bk to Watton At Stone 1.400
BEANE Watton At Stone to Lee 10.760
BOURNE BROOK Source to Rom/Beam 3.870
BROOKHOUSE BROOK Stewards Grn Rd to Roding 4.700
CRIPSEY BROOK Thornwood to Delved Bridge 2.710
CRIPSEY BROOK Delved Bridge to Moreton Brook 5.B80
CRISPEY BROOK Moreton Brook to Roding 8.090
INGREBOURNE Brook Street to Brentwood STU 3.060
INGREBOURNE Brentwood STW to Harold Court Rd 0.390
INGREBOURNE Harold Court Rd to Riverside STW 13.340
INGREBOURNE Riverside STW to Thames V.760
LEE Sundon Park to Leagrave 0.570
LEE Leagrave to Luton Hoo Lakes 8.310
LEE Luton Hoo Lakes to Luton STW 3.050
LEE Luton STW to East Hyde Bdg 0.820
LEE East Hyde Bdg to Uheath aiips tead 6.570
LEE Wheathampstead to Stanborough 8.410
LEE Stanborough to Kolwell Bridge 7.060
LEE Hoiwe11 Bridge to Uaterhall 2.870
LEE Waterhall to Rib 7.320
LEE Rib to Ware Lock 2.330
LEE Ware Lock to Stort ' 8.670
LEE Stort to Kings Weir .4.740
LEE Kings Weir to Tottenham Lock 18.050
LEE Tottenham Locks to Springhill 2.100
*
f
SAMPLE POINT RQO CLASSACHIEVED
ASH, BR N OF UIDFORD 1B 1A
ASH, EASNEYE 1B 1ABEANE, UATTON AT STONE 1B 1BBEANE, BEANE RD HERTFORD 1B 1B
2B NoSPT
BROOK HOUSE 8K, BROOK HOUSE > 3 1BCRIPSEY BK, DELVED BR 2B 1BCRIPSEY BK, MORETON BR 2B 1A
CRIPSEY BK, ONGAR BR 2A 1AINGREBOURNE, A12 BR 2B 18INGREBOURNE, HAROLD CRT RD 3 2AINGREBOURNE, A13 BR 3 2AINGREBOURNE AT FROG ISLAND 3 3LEE, LEAGRAVE 2B 2A
LEE US LUTON HOO LAKES 2B 2ALEE US LUTON STU 2B 3LEE, E HYDE BR 2B 2B
LEE, UHEATHAMPSTEAD 2B 2ALEE, STANBOROUGH 1B 1BLEE, HOLUELL BR 1B IB
LEE, UATERHALL 1B 1A
LEE, HERTFORD CASTLE 1B 1B
LEE US UARE LOCK 1B . 1ALEE, RYE HOUSE 1B 1A
LEE, DOBBS UEIR 1B 1BLEE, LEA VALLEY RD IB 1A
LEE NAV, SPRINGHILL 3 3
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
WALTHAM CROSS DISTRICT ■- AIL REACHES
RIVER REACH LENGTH
(Kms)
LEE Springhi11 to Lea Bridge Weir 1.210
LEE Lea Br. Weir to Carpenters Road 3.690LEE Carpenters Road to Thames 6.810
LEE NAV 1H * Hertford to Lee 1.640LEE NAV 1F' Ware to Lee 2.490
LEE NAV 'B' Kings Weir to Tottenham Lock 17.170
LEE NAV 'A' Lea Bridge Weir to Bow 5.720
LEE SUB 'A' Source to Lee 1.950
MJMRAM King's Walden to Digswell 12.780
HIMRAM DigswelI to Lee 10.300
P1NCEY BROOK Stnstead Airprt to Stort 18.300
PYMMES BROOK Green Brook to Salmon Brook 12.810
PYMMES BROOK (LEFT) Salmon Brook to Lee 2.635
PYMKES BROOK (RIGHT) Salmon Brook to Lee 0.125
QUIN Quinbury Farm to Rib 2.100
RIB Buntingford to Westmill 2.000
RIB Westmi11 to Quin 3.700
RIB Quin to Standon 2.420
RIB Standon to Lee 17.050
RODING A120 Canfield to Cripsey Brook 25.700
RODING Cripsey Brook to Brookhouse Bk 15.610
ROOING Brookhouse Bk to Abridge 1.830
R00ING Abridge to Chigwell STW 9.360
RODING Chigwell STW to Woodford Bridge .. 1.080ROOING Woodford Bridge to Six Gate Sluice 10.180
RON/BEAM Bourne Brook to A12 Roadbridge 6.060
ROM/BEAM A12 Roadbridge to A13 Roadbridge 8.800
I
SAMPLE POINT RQO CLASSACHIEVED
LEE US LEA BR WEIR 3 3
LEE, CARPENTERS RD 26 2A
LEE, CANNING TOWN BR 2B 2A
IB NoSPT
1B NoSPT
LEE NAV SUB B, KEIDES WEIR. 1B 1B
LEE NAV SUBS A, 3 HILLS LANE 3 2AIB NoSPT
MIMRAM, COOI COTE BOTTOM 1A 1A
MIKRAH, PANSHANGER 1B 1A
WINCEY BK, EALING BR IB 1B
PYMMES BK US SALMON BK 2B 2A
PYKHES BK L, FERRY LANE 3 2A
PYKMES BK R, FERRY LANE 3 2A
QUIN, BRAUGHING BR 1B 1A
ft IB, WESTMILL 2A 1A
RIB, A10 NEW BR 1B 1B
RIB, STANDON 1B 1A
RIB, BENGEO HALL IB 18ROOING, HIGH ONGAR BR 1B 1A
ROOING, PASSI KGFORD BR 1B • 1B
ROOING, ABRIDGE 2A 1B
ROOING, LUXBOROUGH LANE 2A 1A
ROOING, WOODFORD BR 2A 1A
ROOING, LONDON RD BR 2A 18ROH, A12 BR 2B 2A
ROM / BEAM, A13 BR 2B 2A
I
Table 2
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
WALTHAM CROSS DISTRICT - ALL REACHES
RIVER REACH
ROM/BEAM A13 Roedbridge to Thames
SALMON BROOK Stag Hill to Deephams STU
SALMON BROOK Deephams STU to Pymmes Brook
SMALL RIVER LEE Source to Lee Nav 'B'
STANSTEAD MILL STR Source to Lee
STORT Stnstd Hzel End to Stanstead Brook
STORT Stanstead Brook to Bishops Stort
STORT Bishops Stort to Great Hall Bk.
STORT NAV Great Hall Bk. to Spellbrook
STORT NAV Spellbrook to Pincey Brook
STORT NAV Plrtcey Brook to Burnt Mill
STORT NAV Burnt Mill to Lee
LENGTH(Kms)
1.15011.8101.430
7.7502.060
0.690
3.7603.300
1.500
6.480
4.630
7.300
4
SAMPLE POINT ROO
ROM / BEAM, HAVERING SLUICE 2BSALMON BK US DEEPHAMS STW 2BSALMON BK US ENFIELD DT 3
2B1B
STORT, GYPSY LANE 1B
STORT, CANNONS MILL IBSTORT US TWYFORO MILL LOCK 1B
STORT, SPELLBROOK WEIR 2B
STORT, SAWBRIDGEWORTH 2B
STORT, BURNT MILL 1BSTORT, ROYDON 1B
CLASSACHIEVED
2A2A
2A1BNoSPT1B
1A1A18
1B
1A
1A
* \
RIVER QUALITY ASSESSMENT : JANUARY 1991 TO DECEMBER 1991
CROSSNESS DISTRICT - ALL REACHES
Table 2
RIVER REACH LENGTH
(Kms)
BEVERLEY BROOK W'cester Pk STW to Pyl Brook 2.370
BEVERLEY BROOK Pyl Brook to Tideway 9.870
HOGSMILL Brne Hall Ewell to HogsmiU STU 8.210
HOGSMILL Kogsmi11 STU to Thames 1.670
POOL Source to Ravensbourne 5.100
RYL BRXK Sutton STW to Beverley Brook 4.300
QUAGGY Little Quaggy to Ravensbourne 5.550
RAVENSBOURNE Rookery Lane to Pool 7.780
RAVENSBOURNE Pool to Tideway 6.220
UANDLE Branch Confl. to Beddington STU 1 .B00
WANDLE Beddington STW to Tideway 10.080
WANDLE BDNGTN WandIe Park to Uandle 4.400
WANDLE CARSHALTON Source to Uandle 1:600
BEVERLEY BK, HOTSPUR PK 3 4BEVERLEY BK, KINGSTON VALE 3 3
HOGSMILL US HOGSHILL STU 2B IBHOGSHILL US THAMES 3 3POOL, WINSFORD RD BELL GREEN 2B 1B
PYL BK, W BARNES LANE • , 2B 18QUAGGY, LEWISHAM HIGH ST 28 18RAVENSBOURNE, HAYES LANE BRMLY 2B 1A
RAVENSBOURNE, LADYWELL PK 2B 1A
UANDLE, GOAT BR BEDDINGTON 1B 1AWANDLE, PLOUGH LANE WIMBLEDON 3 3UANDLE BDNGTN, BDNGTN PK GS 16 1BWANDLE CRSHLTN, BUTTER HILL BR IB 1A
SAMPLE POINT RQO CLASS
ACHIEVEO
OBJE
CTIVE
Table 2(a)4
RIVER QUALITY -1991
ACHIEVEMENT1A 1B 2A 2B 3 4 NO DATA TOTAL
1A 435.0 200.6 35.5 0.0 0.0 0.0 14.7 685.7
1B 615.5 671.7 151.2 0.0 14.8 0.0 28.0 1,481.2
2A 117.9 209.6 86.0 13.9 17.6 0.0 8.2 453.1
2B 111.3 405.7 239.5 5.4 63.2 0.0 18.6 843.7
3 18.2 57.9 106.9 1.5 82.7 2.4 0.0 269.5
4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
X 0.0 33.4 23.4 0.0 6.7 0.0 23.6 87.1
TOTAL 1,297.9 1,578.9 642.4 20.7 185.0 2.4 93.1 3,820.4
All Lengths are In Kilometres.
Table 2(b)
Length (Kms) 2,000
1,500 -
1,000
500 -
0
1A 1B
R.Q.O.Total Length in Class
2A 2BRiver Quality Class
Table 3
River Sites Failing 78/659/EEC, The Fisheries Directive • Year from January 1991 to Decenfcer 1991
River
Ray
Ray
Thame
Thame
Hart
Kennet
Loddon
Whitewater
Bourne (North)
Cranleigh Waters
Wey (North)
Colne
Colne
GUC ^
Cripsey Brook
Site
Seven Bridges Cricklade
Tadpole Bridge Purton
Cuddington Bridge
Thame Bridge
Lea Bridge Haseley
G/S Marlborough
Long Bridge Sherfield .
Above Blackwater
Hanperstone Bridge
Run Cannon Uonersh
Mill Court Bridge Wyck
Denham G/S
Bushey Mi 11 Lane
Durants Hill Road
Ongar Bridge
Salmonid(S) Failed Cyprinid(C) Oets.
Antt/UiA/DO
AnM/UiA
AmN
AmN
AmN
DO
AmN
AmN
AmN
AmN
AnM/UiA
AmN
Anti
AmN
AmN
Samples Samples Samples Planned Taken - Failed
12
25
12
12
25
12
25
12
12
25
12
50
50
12
12
11
19
22
20
25
13
24
13
24
26
29
50
47
• K
10
r
14
09/04/92 Page 1
I
Table 4
DANGEROUS SUBSTANCES DIRECTIVE FAILURES - FRESHWATER
Year from January 1991 to December 1991
River Site Fails Limit Annual Mean Samples SamplesMean (ug/l) (ug/l) Taken Planned
RAY Seven Bridges, Cricklade HCH (total) 0 .05 0 .0572 12
CUT Above Thames HCH ( t o t a l ) 0 .05 0 .0596 12
THAMES
UEY
LEE
Caversham Weir
Above Thames
Carpenters Road
HCH (total)
KCH (total)
HCH (total) Chloroform
0 .05
0 .0 5
0 .05
12
0 .0698
0 .072
0 .0559
12.444
12
12
12
12
HOGSMILL Above Thames HCH (total) 0 .05 0.0911 10 12
UANDLE The Causeway, Wandsworth HCK (total) 0 .05 0 .0719 10 12
FIRE COLLEGE SlkEAH 150 m below A44 T I 7 i rv 500 713
• -I I 1 > COMPLIAMCE WITH TIDEWAY OBJECTIVES AND STANDARDS
Table 5
1991 FOURTH QUARTER OCT ♦ DEC
ACHIEVEMENTREACH STANDARD
• l«C- 1| DO >I
40% for 80% time 20 percentile - 40% | PASS i
1I1
| DO > 1
10% for 95% time 5 percentile = 37%J| PASS |
1| Mean DO = 51%
Teddington1| Min. DO 5% 30%
1| PASS
11
to 1 1 1Battersea | Max.
iTemp. 28 C 16.9 C f PASS
I1
Length = 23Km1| List ■
I substances11i
!| See Table 6 11
| List i
11 substancesi11
1| See Table 6 11
] Presence of Dace i
111
1111
| BMWP score > 25 Teddington = 741| FAIL
1[ *Failure at
1 Keu = 34 I | Cadogan
1 Hanmersmith = 28 1 1
1 Cadogan =19* 1 1
1.....1| DO > i
30% for 80% time 20 percentile = 21%
...... 1...........1| FAIL 1
1....................111
1| DO > 10% for 95% time 5 percentile =14%
1| PASS
1| Mean DO =32%
Battersea 1 ! !to | Min. DO 5% 7% 1 PASS i
Mucking 1 1] Max. 1
Temp. 28 C 17.5 C | PASSI 1
Length = 61Km1| List i
I substances111
I| See Table 6 11
| List i
11 substances111
1| See Table 6 1
1| Fish species > 9 Min. of 21 species
1| PASS
11
11) DO > 60% for 80% time Min. DO = 78%
...... 1...........1| PASS
1....................11
Mucking 1 1 1to J DO > 10% for 95% time Min. DO = 78% | PASS 1 Mean DO = 82%
Seaward 1 1 1Limit | Min.
iDO 5% Min. DO = 78% | PASS
i11
1| Max. Temp. 28 C 16.0 C
1| PASS
11
Length = “281(171 1 1 1| List ■
I substances 1I
| See Table 6 11
| List 11 substances11
1| See Table 6
PASS/FAIL COMMENTS
Produced 08/04/92. Environmental Quality (AHP)
T ab le 6
DANGEROUS SUBSTANCES DIRECTIVE FAILURES - TIDEUAY
Year from January 1991 to December 1991
Site Fails Limit Annual Mean SamplesMean (ug/l) (ug/l) Taken
Barnes KCH (total) Diss. Zinc Diss. Copper
0.02405
0.0498166.33009.1200
London B r id g e HCH (total) DDT (total) Diss. Zinc Diss. Copper
0.020.025
405
0.04990.0293
110.750011.5000
Erf th HCH (total) DDT (total) Diss. Copper
0.020.025
5
0.05460.027013.4330
Mucking HCH (total) Diss. Copper
0.025
0.03809.3400
Chapman Buoy HCH (total) Diss. Copper
0.02
50.03109.7500
No. 2 Reach Diss. Copper 6.8750