How much phosphorus needs to be removed to meet the WFD in UK rivers?

How much phosphorus needs to be removed to meet the Water Framework Directive in UK Rivers The challenge Across the UK many rivers are eutrophic and have phosphorus levels well …
Across the UK many rivers are eutrophic and have phosphorus levels well above the WFD limits for good ecological status. The challenge is to devise a cost effective strategy for P reductions in rivers in order to meet the WFD standards. https://www.wskep.net/index.php/waterr2b/sectors/water-utilities/phosphorous/