1 wfd article 5 report process & results beyond characterisation yann laurans seine-normandy...
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![Page 1: 1 WFD Article 5 Report Process & Results Beyond characterisation Yann Laurans Seine-Normandy Water Agency, France](https://reader035.vdocuments.site/reader035/viewer/2022062714/56649d2a5503460f949fe78b/html5/thumbnails/1.jpg)
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WFD Article 5 Report Process & Results
Beyond characterisation
Yann LauransSeine-Normandy Water Agency, France
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Three outputs of Art. 5
• 1. Analysis of uses
• 3. Baseline scenario
• 2. Cost-recovery assessment
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1. Characterisation of uses
• Aim: Signals on main stakes /
potential consequences of decisions
• E.g.: Financial flows compared to
capital;
Richness and affordability /territorial
distribution
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Illustration (1) (M€)
Households
Drinking watercommunal service
Sewagecommunal service
W agency State Communes& others
1.370 1.200
55793
100
496
Reservoirs & dams : 500
Plants : 7.600
Distribution networks :20.000
Private sewage equipment :7.000
Sewage networks : 15.500
Rain water network : 6.200
SSSeeewwwaaagggeee ppplllaaannntttsss ::: 333...777000000
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Illustration (2)
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1. What use for Prog of Measures ?
• Better knowledge of water uses
taken in significant issues
• Geographical (GIS) database on
water uses
80 % of needed data for
Hmodified argumentation, cost-
benefit & cost-effectiveness
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Cost recovery
• Questions to answer (discussed
with stakeholders) :
• Public transfers
• External effects
• Proportion of environmental
costs to services payment
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Subsidies from taxpayers
Drinkingwater1000M€
Sewageand
Sanitation890M€
Redevances & taxes470M€
VAT 120M€
Local or national
Taxpayer
Water&
SanitationServices
Households
105 M€
Navigation 2,5M€
Rural Fund17,5M€
Water Agency450M€
10M€
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Transferts between UsersTransferts between Users
Contribute: 63M €, 2 % of total invoice
Contribute: 13M€, 2 % of total invoice
Receive: 59M€, 5 % of total invoice
Receive: 20 M€, 29 % total short term invoice; 17 % of long term invoice incl. Cap costs
H.hold
s
Sm. ind.
Industry
Agriculture
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Who pays for who ?Who pays for who ?Pollution external costsPollution external costs
H.holds
Small ind.
Industry
Agriculture
Additional costs due to water treatment : 90M€
Additional treatment costs: 30M€
Additional treatment costs: 35M€ (self expense and connected industry)
Additional treatment costs: 0
Approx. share of user in the pollution
28%
7%
25%
40%
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What beyondinitial C-recovery evaluation?
• Who will bear the cost of the PoM?
• Will that change the cost-recovery ratio?
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Total costs per user category, sub-basin Orne,
(Baseline scenario)
Supplementary measures
Consumer (wash. Powder))
Municipalities
Industry
Agriculture
Distribution of costsHere: cost dedicated to implementation
sector (different from payer)
40 M€/year
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BasicMeasures
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5. Baseline scenario
• Questions to answer:
• Likely effects of current
changes & policies on risks
• Sensitive and insensitive
variables
= what is to be watched closely?
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Pressures evolution in surface “classical” discharge : phosphorus
TreatmentCharge: 0,2Depoll.: 0,1
+13 %
1,0 1,5 32
-48 %
Epuration collectiveCharge: 36
Depollution: 28
Pre-treat.Ch.: 6,4
Dép.: 1,7
+11 % -65 %
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Epurat. IndustrielleCharge: 12
Depollution: 11
-89 %
Rain water Municipalities15,9 M inhabitants
Industries
Spreading0,4
111
Indiv. Sew.Charge 4,3Depoll. 4,3
-85 %
Cattle4,3 M animals
Individual sewerage2,2 M inhabitants
Infiltrationenv. 0
0,8 2,20,1 7,6 0,70 0,1
4,3
-100 %
Spreading111 Infiltration
0,1
Separative Unitarycompliant0,1
Non Comp.
Rehab. Manure mngmt. Sys.
Charge 2Depoll. 2
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3. Where are we now?
Starting from an existing “chain” of models
SENEQUE Model
No ecological model available, hand-made expert simulation
PROSE Model (lenght of Seine river, Paris to estuary)
SIAM1-D (Seine estuary)
SIAM1-ELISE (Seine bay)
No simulation available
Coverage of ecological quality models in Seine-Normandie Basin
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Last decade of July Hydrological reference: low rainfall (« dry » year)
Situation 2000 Situation after works
St-Dizier
Blaise --Réservoir
Vitry Chalons Epernay Ourcq
St-Thibault
Noisy-SIAAP
Before Works
After Works
Upstream Paris
Quality simulation (Phosphorus) (2)
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(Years)
Urban water investments consideredin Baseline Scenario:time needed to
implement
Number of needed years for implementing baseline scenario investments, based on present annual investment level,from 2000 on
Sewage networksWaste water treatment plants
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1. What use for Prog of Measures ?
• Database on current “works”:
planned investments, costs
• ≈ basic measures evaluation,
and their effectiveness
assessment (this being limited
however)
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Conclusion
• Article 5 looks like
a “technocratic” exercise
• However it is building tools
that are essential
for further programming of measures