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Ammonia Spike From Chesham Sewage Works

Oct 5, 2022
Category: Pollution
Posted by: Kathryn
On 3rd October, we received a call from Thames Water telling us they had detected a spike in ammonia levels in the effluent from the Chesham Sewage Treatment Works.

8-Fold Increase In Aquifer Impact Posed by HS2 Tunnel Consent

Jun 24, 2021
Category: HS2
Posted by: Kathryn

New information from HS2/Align indicates a much greater risk of aquifer contamination than previously admitted. 

Sewage Updates

Mar 21, 2021
Category: Pollution
Posted by: Kathryn

Daily sewage releases into the river could continue into May, but work is underway to tackle groundwater infiltration into Chesham's sewers which is big contributor to this problem.

Work Starts to Fix Sewer Infiltration

Feb 26, 2021
Category: Pollution
Posted by: Kathryn

In March, Thames Water is beginning work to fix groundwater infiltration hotspots in Chesham's sewers. 

Latest News

A Review of 2015

Mar 13, 2016

Category: General
Posted by: Kathryn

2015 found the RCA volunteers busier than ever, as we led on a survey of the river's water vole population; increased our number of riverfly monitors; helped launch a study into low flows and gave more members of the public, especially children, the opportunity to get their feet wet.

Find out more by reading our 2015 Review (PDF, 838 KB).

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