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Case Study : Meuse River Basin Jan Joziasse Deltares. Sacha de Rijk (KWR). Ruud Baartmans (TNO) Willy van Tongeren (TNO). Introduction case study: Dutch Meuse. Internal discussions System approach required for decision support
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Case Study : Meuse River Basin Jan Joziasse Deltares Sacha de Rijk (KWR) Ruud Baartmans (TNO) Willy van Tongeren (TNO) Final Conference June 24 - 25 Maastricht, The Netherlands
Introduction case study: Dutch Meuse • Internal discussions • System approach required for decision support • How to deal with historic pollution and other types of diffuse pollution • Visits to water boards and RWS • Point sources largely eliminated • Lack of focus on chemical status • Measures should be taken on national or EU policy level Final Conference June 24 - 25 Maastricht, The Netherlands
Case approach followed Additional interviews • Water boards • Rijkwaterstaat Waterdienst • Ministry of VROM • WFD project office • CSN • RIWA Maas Results evaluated in inquiry Final Conference June 24 - 25 Maastricht, The Netherlands
Meuse River Basin • Length: 905 km; Dh: 384 m • From Pouilly-en-Bassigny (Fr) through the Ardennes (Be) to the North Sea (NL) • Catchment area: 35,000 km2 • Population: 8.8 million • Rain river; large differences between summer and winter discharge (< 10 – 3,000 m3/s) • Source of water for drinking water production, agriculture, industry • Important for navigation Final Conference June 24 - 25 Maastricht, The Netherlands
Specific challenges • International river basin: five countries/six regions(FR, LU, WL, FL, GE, NL) • Fear to get “punished” by the EU when the ambition level is set too high Final Conference June 24 - 25 Maastricht, The Netherlands
Lessons learned from case study (1) Focus on diffuse emissions reduction e.g. cadmium, PAH, pesticides, fertilizers, pharmaceuticals, ... Source: RIVM Report 607633001 / 2008 Final Conference June 24 - 25 Maastricht, The Netherlands
Lessons learned from case study (2) Delay for achieving good chemical status expected until 2015, 2027, or later... • reconsider WFD demands / EQS • adjust ambition level (take more /other measures) • effect of measures? Final Conference June 24 - 25 Maastricht, The Netherlands
Lessons learned from case study (3) Translocationneeds more attention • main river systems • brook systems Final Conference June 24 - 25 Maastricht, The Netherlands
Lessons learned from case study (4) Growing importance of emerging substances • look beyond WFD demands • pay attention to extreme conditions (floods, calamities) Final Conference June 24 - 25 Maastricht, The Netherlands