Essex Rivers Hub

This water body has developed problems with phosphate levels which contribute to its overall rating as poor. Unfortunately there is no data to suggest where these problems are originating from. The amount of phosphate fluctuates across the water body, but is likely to be causing this water body to fail for its macrophyte level too.

The River Blackwater failed tests for 'Annex 10' chemicals as traces of aromatic hydrocarbons were detected. These hydrocarbons are usually found in petrol, other fuel sources or when burning. Sewage treatment works have been identified as possible sources for these chemicals too.

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Design by LTD Design Consultants and build by Garganey Consulting based on an original concept by Herts and Middlesex Wildlife Trust