1. Cost Effectiveness Analysis - A principle case study
PRB Weser
Cost Effectiveness Analysis -
A principle case study

2. Status of the System (past)
River 1
Point source
River 2 20 1
River
diffuse source
River 3

3. Status review (past)
old objective

4. Programme of Measures (past)
Measures to reduce the point sources
Measures to level out the peaks
Measures to improve the status of an outmost long stretch of river
Technical measures
Point source
River
River 1
River 2
River 3
diffuse source

5. Status review (last year)
90 % Reduction
70 Mio. €

6. Status review (last year)

7. Present
Diffuse sources
Point sources

8. New objective? old Diffuse sources Point sources new Reduction of the

9. New assessment old Diffuse sources Point sources new Reduction of the

10. Procedure (WFD) final assessment baseline scenario
measures to achieve „good status“ and if necessary other objectives (in the water body and downstream)
cost effectiveness (scale?) (uncertainty?)
costs of measures
benefit
proportionate costs
environmental and resource costs
?? (eg. unemploymence)
programme of measures (2009)
has the objective been reached? (2015)
extension of the deadline
less stringent objectives (2027)

11. Table of cost effectiveness
measure
assessment
costs
E&R costs
benefit … 1 2 3
1+2 4
0,5

12. Status of the System (Vision)
River 1
Point Source
River 2
River
diffuse source
River 3