To read the herbicide water quality update for the River Lea catchment for the period Sept 2024 to Aug 2025 click here

RSWT are sharing a petition calling for funding for a nationwide, nature-rich river corridor network.  The link is here.

Click here to read about the campaign to plant 100 new Black Poplars in Hertfordshire.  Please note the request for information!

• Summer Environmental Newsletter – covering a number of business wide updates here
• Water resources update for Thames Valley – areas impacted by the hosepipe ban here
• Water resources update for Non-Thames Valley – for areas not impacted by the hosepipe ban here

Hertfordshire County Council have published the Local Nature Recovery Strategy for Hertfordshire.  It looks at what we need to do to help nature recover, how we need to do it and where we need to do it.

 You can read the full report here

The water quality update for River Lea and tributaries for winter 2024/5 can be viewed here

The Upper Lea Catchment Spring Newletter can be read here

The slides from the River Lea Catchment Conference held Wednesday 12th March 2025 can be viewed  below. Read more ...

The winter 2025 newletter for the Upper Lea catchment can be viewed here

Information on the Old River Lea barbel introduction can  be read here.

Please note: If you catch a juvenile barbel, or any barbel with a blue dye mark, please take a picture of the belly and send to This email address is being protected from spambots. You need JavaScript enabled to view it.