aquifer vulnerability south africa - dws

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Stellenbosch Somerset West Malmesbury Matjiesfontein Moorreesburg Addo Reddersburg Carolina Kempton Park JOHANNESBURG Swartruggens Ga Mokgatlha INDIAN OCEAN Vredendal Schmidsdrift Jansenville Mookgophong Soshanguve UPINGTON DURBAN RICHARD'S BAY BEAUFORT WEST Mafikeng Lephalale Vryburg Strandfontein Wadrif Graafwater Tarlton Uitenhage Ventersdorp-Eye Bo-Molopo Crocodile River Dorpsrivier Nyl River Valley Saldanha/Lower Berg River Valley Kroondal_Marikana Yzerfontein Vivo-Dendron Crcodile River Baden Elim Ugie Cala Ceres Paarl Pella Brits Sabie Mkuze Vrede Reitz Parys Tsomo Indwe Tosca Penge Kathu Taung Nqutu Ixopo Memel Tsolo Komga Satara Moloto Ermelo Bethal Giyani Ulundi Eshowe Weenen Dundee Jozini Howick Qwaqwa Welkom Bizana Rhodes Elliot Bhisho Nossob Askham Loxton De Aar Garies Stella Migdol Rebone Musina Mopane Bochum Boshof Klawer Knysna George Khubus Fafung Koster Delmas Pafuri Levubu Bulwer Warden Libode Darling Caledon Witsand Montagu Keimoes Kakamas Douglas Hotazel Ritchie Bagatla Skukuza Belfast Secunda Leandra Balfour Northam Roedtan Tzaneen Pongola Nongoma Colenso Manyane Harding Kokstad Utrecht Springs Senekal Lindley Kestell Clarens Koppies Mthatha Maclear Cradock Idutywa Agulhas Witsand Vosburg Hanover Loop 10 Kuruman Zeerust Mokgola Coligny Pomfret Ganyesa Reivilo Sentrum Mogwadi Alldays Hofmeyr Molteno Centane De Rust Tulbagh Makhado Seshego Vryheid Melmoth Pomeroy Mandini Zastron Wepener Winburg Engcobo Bedford Hamburg Saldanha Velddrif Hopetown Pofadder Aggeneys Bloemhof Hendrina Badplaas Malalane Hazyview Olifants Estcourt Hluhluwe Cullinan Luckhoff Bethulie Marquard Clocolan Heilbron Villiers Tweeling Hobhouse Virginia Hoopstad Mqanduli Despatch Kirkwood Patensie Adelaide Cathcart Kliprand Stanford Stilbaai Noupoort Richmond Marydale Campbell Komaggas Ottosdal Mokopane Tshipise Buysdorp Morebeng Paterson Rietbron Aberdeen Pearston Hermanus Arniston Atlantis Kenhardt Kleinsee CALVINIA Motswedi Mooketsi Mapumulo Kranskop Greytown Mbazwane Richmond PRETORIA Edenburg Cornelia Ngqeleni Vredendal Lutzville Piketberg Barrydale Uniondale Ladismith CAPE TOWN Bellville Robertson Worcester De Doorns Augrabies Steinkopf Springbok KIMBERLEY Warrenton Siyabuswa Volksrust Amsterdam Morgenzon Barberton NELSPRUIT Babanango Empangeni Winterton Ladysmith Bergville Mtubatuba Umzimkulu Himeville KwaDukuza Newcastle Jacobsdal Ficksburg Bethlehem Vredefort Sasolburg Frankfort Ladybrand Dordrecht Cookhouse Noenieput Mata-Mata Carnarvon Britstown Williston Kotzesrus Middelpos Brandvlei Setlagole Ottoshoop Dwaalboom Modimolle Ohrigstad Arlington Paul Roux Edenville Tarkastad Cofimvaba Kareedouw Citrusdal Albertina Nelspoort Colesberg Bela-Bela Letsitele POLOKWANE Zebediela Centurion Rouxville Steynsrus Kroonstad Excelsior Brandfort Flagstaff Uitenhage Lady Grey Jamestown Klipplaat Kei Mouth Matatiele Vredenburg Doringbaai Swellendam Riversdale Heidelberg Wellington Vioolsdrif Onseepkans Klerksdorp Mabeskraal Christiana Rustenburg Middelburg eMalahleni Dullstroom Amersfoort Standerton Mashishing Hoedspruit Mooi River Scottburgh Heidelberg Harrismith Thaba Nchu Botshabelo Bothaville Theunissen Coffee Bay Whittlesea QUEENSTOWN Joubertina Elandsbaai Leeu Gamka Lekkersing Sutherland Fraserburg Sannieshof Lehurutshe Tom Burke Swartwater Steelpoort Petrusburg Trompsburg Fauresmith Middelburg Lady Frere Alexandria Willowmore Bredasdorp Oudtshoorn Mossel Bay Sedgefield Calitzdorp Laingsburg Merweville Shingwedzi Thabazimbi PHALABORWA Jane Furse Smithfield Dewetsdorp Lusikisiki Ntabankulu Venterstad Steynsburg Humansdorp Clanwilliam Vanwyksdorp Gouritsmond Franschhoek Touwsrivier Barkly West Machadodorp Piet Retief Komatipoort Thohoyandou Roossenekal Groblersdal Krugersdorp Vereeniging Fouriesburg Deneysville Ventersburg Bultfontein Wesselsbron Grahamstown Butterworth Stutterheim Murraysburg Rietfontein Danielskuil Strydenburg Griekwastad Philipstown Vanwyksvlei Kamieskroon Van Zylsrus Heuningvlei Ventersdorp Supingstadt Lichtenburg Pundu Maria Rapotokwane Phillipolis Dealesville Sterkstroom Porterville Postmasburg Petrusville Mookgophong Gravellotte Ga-Masemola Marble Hall Kwangwanase Sterkspruit Barkly East Burgersdorp Port Alfred Mount Frere Simon's Town Olifantshoek Groblershoop Jan Kempdorp Delportshoop Wakkerstroom Greylingstad BLOEMFONTEIN Aliwal North Mount Ayliff Niekerkshoop Leliefontein Delareyville Piet Plessis Ga-Ramokgopa Hertzogville Villiersdorp Port Nolloth Petrus Steyn Jeffreys Bay Alexander Bay Wolmaransstad Potchefstroom Bushbuckridge KwaMankonjane Koffiefontein Viljoenskroon Fort Beaufort Bitterfontein Lambert's Bay Twee Rivieren Victoria West Hondeklipbaai Springfontein Verkeerdevlei Steytlerville Prince Albert Carletonville Kenton on Sea Somerset East Leeudoringstad Port Shepstone Port St. Johns PORT ELIZABETH Eksteenfontein Nieuwoudtville Loeriesfontein Mount Fletcher Riviersonderend Paulpietersburg Nieu - Bethesda Plettenberg Bay Cape St Francis Graaff - Reinet Pietermaritzburg Bronkhorstspruit Tloonane Village Schweizer-Reneke Bakenberg Mmotong Riemvasmaak Sending NAMIBIA ATLANTIC OCEAN BOTSWANA ZIMBABWE M O Z A M B I Q U E LESOTHO SWAZILAND EAST LONDON PRIESKA 32° 32° 31° 31° 30° 30° 29° 29° 28° 28° 27° 27° 26° 26° 25° 25° 24° 24° 23° 23° 22° 22° 21° 21° 20° 20° 19° 19° 18° 18° 17° 17° 33° 16° 22° 22° 23° 23° 24° 24° 25° 25° 26° 26° 27° 27° 28° 28° 29° 29° 30° 30° 31° 31° 32° 32° 33° 33° 34° 34° Aquifer Vulnerability of South Africa Coordinate System: Clarke 1880 Albers Projection: Albers (Standard Parallel 1: 19 Standard Parallel 2: 27 Central Meridian) Datum: Clarke 1880 Original Map Compilation: Andiswa Matoti, Julian Conrad and Susan Jones, CSIR, 22 March 1999. Recompiled: July 2013 Directorate: Hydrological Services Sub-Directorate: Groundwater Information Background: Implementation of the Reconstruction and Development Programme (RDP) in South Africa has highlighted the importance of groundwater resources in the country as the role they will play in satisfying the targets of the RDP. As a result, exploration, development and protection of aquifers is receiving unprecedented attention. Provision of the appropriate information to national water resource managers and planners is a critical part of the process which aims to provide a further twelve million people with adequate access to potable water. Data Sources: This map is based on the Borehole Prospects map provided by JR Vegter, Hydrogeological Consultant and AJ Seymour, DWA. Description: This map indicates the tendency or likelihood for contamination to reach a specified position in the groundwater system after introduction at some location above the uppermost aquifer. Green represents the least vulnerable region that is only vulnerable to conservative pollutants in the long term when continuously discharged or leached. Yellow represents the moderately vulnerable region which is vulnerable to some pollutants, but only when continuously discharged or leached. Red represents the most vulnerable aquifer region, which is vulnerable to many pollutants except those strongly absorbed or readily transformed in many pollution scenarios. DURBAN Major Towns/Cities Water Source LEGEND Groundwater Combination (Ground and surface water) Surface water International boundary Dams Special aquifer regions Province Vulnerability Ratings Least Moderate Most

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Page 1: Aquifer Vulnerability South Africa - DWS

Stellenbosch

Somerset West

Malmesbury

MatjiesfonteinMoorreesburg

Addo

Reddersburg

CarolinaKempton Park

JOHANNESBURG

Swartruggens

Ga Mokgatlha

I ND I A

N OC E A N

Vredendal

Schmidsdrift

Jansenville

Mookgophong

Soshanguve

UPINGTON

DURBAN

RICHARD'S BAY

BEAUFORT WEST

Mafikeng

Lephalale

Vryburg

Strandfontein

Wadrif

Graafwater

Tarlton

Uitenhage

Ventersdorp-Eye

Bo-Molopo

Crocodile River

DorpsrivierNyl River Valley

Saldanha/Lower Berg River Valley

Kroondal_Marikana

Yzerfontein

Vivo-Dendron

Crcodile River

Baden

Elim

Ugie

Cala

Ceres

Paarl

Pella

Brits

Sabie

Mkuze

Vrede

Reitz

Parys

Tsomo

Indwe

Tosca

Penge

KathuTaung

Nqutu

Ixopo

Memel

Tsolo

Komga

Satara

Moloto

ErmeloBethal

Giyani

Ulundi

Eshowe

Weenen

Dundee

Jozini

Howick

Qwaqwa

Welkom

BizanaRhodes

Elliot

Bhisho

Nossob

Askham

Loxton

De AarGaries

Stella

Migdol

Rebone

Musina

Mopane

Bochum

Boshof

Klawer

KnysnaGeorge

Khubus

Fafung

Koster

Delmas

Pafuri

Levubu

Bulwer

Warden

Libode

Darling

CaledonWitsand

Montagu

Keimoes

Kakamas

Douglas

Hotazel

Ritchie

Bagatla

SkukuzaBelfast

SecundaLeandra

Balfour

Northam

Roedtan

Tzaneen

Pongola

Nongoma

ColensoManyane

HardingKokstad

Utrecht

Springs

Senekal

Lindley

Kestell

Clarens

Koppies

Mthatha

Maclear

Cradock Idutywa

Agulhas

Witsand

Vosburg

Hanover

Loop 10

Kuruman

Zeerust

Mokgola

Coligny

Pomfret

Ganyesa

Reivilo

Sentrum

Mogwadi

Alldays

Hofmeyr

Molteno

Centane

De RustTulbagh

Makhado

Seshego

Vryheid

MelmothPomeroy

Mandini

Zastron

Wepener

Winburg

Engcobo

Bedford

HamburgSaldanha

Velddrif

Hopetown

PofadderAggeneys

Bloemhof

Hendrina

Badplaas

Malalane

Hazyview

Olifants

Estcourt

Hluhluwe

Cullinan

Luckhoff

Bethulie

Marquard

Clocolan

HeilbronVilliers

Tweeling

Hobhouse

Virginia

Hoopstad

Mqanduli

Despatch

Kirkwood

Patensie

Adelaide

Cathcart

Kliprand

StanfordStilbaai

Noupoort

Richmond

Marydale

Campbell

Komaggas

Ottosdal

Mokopane

Tshipise

Buysdorp

Morebeng

Paterson

Rietbron

AberdeenPearston

Hermanus

Arniston

Atlantis

Kenhardt

Kleinsee

CALVINIA

Motswedi

Mooketsi

Mapumulo

KranskopGreytown

Mbazwane

Richmond

PRETORIA

Edenburg

Cornelia

NgqeleniVredendalLutzville

Piketberg

Barrydale

UniondaleLadismith

CAPE TOWN Bellville

Robertson

WorcesterDe Doorns

Augrabies

Steinkopf

Springbok

KIMBERLEY

Warrenton

Siyabuswa

Volksrust

AmsterdamMorgenzon

Barberton

NELSPRUIT

Babanango

EmpangeniWinterton

Ladysmith

BergvilleMtubatuba

Umzimkulu

Himeville

KwaDukuza

Newcastle

Jacobsdal

Ficksburg

Bethlehem

Vredefort

Sasolburg

Frankfort

Ladybrand

Dordrecht

Cookhouse

Noenieput

Mata-Mata

Carnarvon

Britstown

Williston

Kotzesrus

Middelpos

Brandvlei

Setlagole

Ottoshoop

Dwaalboom ModimolleOhrigstad

Arlington

Paul Roux

Edenville

Tarkastad Cofimvaba

Kareedouw

Citrusdal

Albertina

Nelspoort

Colesberg

Bela-Bela

LetsitelePOLOKWANE

Zebediela

Centurion

Rouxville

Steynsrus

Kroonstad

Excelsior

Brandfort

Flagstaff

Uitenhage

Lady Grey

Jamestown

Klipplaat

Kei Mouth

Matatiele

Vredenburg

Doringbaai

Swellendam RiversdaleHeidelberg

Wellington

VioolsdrifOnseepkans

Klerksdorp

Mabeskraal

Christiana

Rustenburg Middelburg

eMalahleni

Dullstroom

AmersfoortStanderton

Mashishing

Hoedspruit

Mooi River

Scottburgh

Heidelberg

Harrismith

Thaba Nchu

Botshabelo

Bothaville

Theunissen

Coffee BayWhittlesea

QUEENSTOWN

Joubertina

Elandsbaai

Leeu Gamka

Lekkersing

Sutherland

Fraserburg

Sannieshof

Lehurutshe

Tom Burke

Swartwater

Steelpoort

Petrusburg

Trompsburg

Fauresmith

Middelburg

Lady Frere

Alexandria

Willowmore

Bredasdorp

Oudtshoorn

Mossel Bay

Sedgefield

Calitzdorp

Laingsburg

Merweville

Shingwedzi

Thabazimbi

PHALABORWA

Jane Furse

Smithfield

Dewetsdorp

Lusikisiki

Ntabankulu

Venterstad

Steynsburg

Humansdorp

Clanwilliam

Vanwyksdorp

Gouritsmond

Franschhoek

Touwsrivier

Barkly West

Machadodorp

Piet Retief

Komatipoort

Thohoyandou

RoossenekalGroblersdal

Krugersdorp

Vereeniging

Fouriesburg

Deneysville

VentersburgBultfontein

Wesselsbron

Grahamstown

Butterworth

Stutterheim

Murraysburg

Rietfontein

Danielskuil

Strydenburg

Griekwastad

PhilipstownVanwyksvleiKamieskroon

Van Zylsrus

Heuningvlei Ventersdorp

Supingstadt

Lichtenburg

Pundu Maria

Rapotokwane

Phillipolis

Dealesville

Sterkstroom

Porterville

Postmasburg

Petrusville

Mookgophong

Gravellotte

Ga-Masemola

Marble Hall

Kwangwanase

Sterkspruit

Barkly EastBurgersdorp

Port Alfred

Mount Frere

Simon's Town

Olifantshoek

Groblershoop

Jan Kempdorp

Delportshoop

Wakkerstroom

Greylingstad

BLOEMFONTEIN

Aliwal North

Mount Ayliff

Niekerkshoop

Leliefontein

Delareyville

Piet Plessis

Ga-Ramokgopa

Hertzogville

Villiersdorp

Port Nolloth

Petrus Steyn

Jeffreys Bay

Alexander Bay

Wolmaransstad

Potchefstroom

Bushbuckridge

KwaMankonjaneKoffiefontein

Viljoenskroon

Fort Beaufort

Bitterfontein

Lambert's Bay

Twee Rivieren

Victoria West

Hondeklipbaai

Springfontein

Verkeerdevlei

SteytlervillePrince Albert

Carletonville

Kenton on Sea

Somerset East

Leeudoringstad

Port Shepstone

Port St. Johns

PORT ELIZABETH

Eksteenfontein

Nieuwoudtville

Loeriesfontein

Mount Fletcher

Riviersonderend

Paulpietersburg

Nieu - Bethesda

Plettenberg BayCape St Francis

Graaff - Reinet

Pietermaritzburg

Bronkhorstspruit

Tloonane Village

Schweizer-Reneke

Bakenberg Mmotong

Riemvasmaak Sending

N A M I B I A

AT L A N T I C O C E A N

B O T S W A N A

Z I M B A B W E

MOZ

A MB

IQUE

L E S O T H O

SWAZILAND

EAST LONDON

PRIESKA

32°

32°

31°

31°

30°

30°

29°

29°

28°

28°

27°

27°

26°

26°

25°

25°

24°

24°

23°

23°

22°

22°

21°

21°

20°

20°

19°

19°

18°

18°

17°

17°

33°16°

22° 22°

23° 23°

24° 24°

25° 25°

26° 26°

27° 27°

28° 28°

29° 29°

30° 30°

31° 31°

32° 32°

33° 33°

34° 34°

Aquifer Vulnerabilityof

South Africa

Coordinate System: Clarke 1880 Albers Projection: Albers(Standard Parallel 1: 19 Standard Parallel 2: 27 Central Meridian) Datum: Clarke 1880

Original Map Compilation: Andiswa Matoti, Julian Conrad and Susan Jones, CSIR, 22 March 1999.Recompiled: July 2013Directorate: Hydrological ServicesSub-Directorate: Groundwater Information

Background:Implementation of the Reconstruction and Development Programme (RDP) in South Africa has highlighted the importance of groundwaterresources in the country as the role they will play in satisfying the targets of the RDP. As a result, exploration, development and protection of aquifers is receiving unprecedented attention. Provision of the appropriate information to national water resource managers and planners is a critical part of the process which aims to provide a further twelve million people with adequate access to potable water.Data Sources:This map is based on the Borehole Prospects map provided by JR Vegter, Hydrogeological Consultant and AJ Seymour, DWA.Description: This map indicates the tendency or likelihood for contamination to reach a specified position in the groundwater system after introduction at some location above the uppermost aquifer. Green represents the least vulnerable region that is only vulnerable to conservative pollutants in the long term when continuously discharged or leached. Yellow represents the moderately vulnerable region which is vulnerable to some pollutants, but only when continuously discharged or leached. Red represents the most vulnerable aquifer region, which is vulnerable to many pollutants except those strongly absorbed or readily transformed in many pollution scenarios.

DURBAN Major Towns/Cities

Water Source

LEGEND

GroundwaterCombination (Ground and surface water)Surface water

International boundaryDamsSpecial aquifer regions

Province

Vulnerability Ratings

LeastModerateMost