Welcome to the website of the Lea Catchment Partnerships – bringing together people and projects for the benefit of the River Lea and its tributaries.
The River Lea and its tributaries - the Mimram, Beane, Ash, Rib, Quin and Stort - drain over 1000 km2 of south-east England. These rivers include rare and precious chalk streams, canals and navigations, and urban watercourses.
The Storymap for the partnership can be read here.
To view the catchment plans navigate using the map opposite or the menu bars above.
Latest news
11/03/25
– Upper Lea news
Upper Lea Catchment Winter Newletter
The winter 2025 newletter for the Upper Lea catchment can be viewed here
11/02/25
– Upper Lea news
Old River Lea Barbel Introduction
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.
11/02/25
– Upper Lea news
River Basin Planning
Public consultation for the River Basin Management Plan is underway. To take part in the process follow this link
This is the first step in the process of reviewing and updating the river management plans, last updated in 2022. A summary of the consultation responses will be published on the EA website within 12 weeks of the consultation closing. Read more ...
Roll over the map to highlight a river catchment, click to view information for that river and view the projects and their progress.
A fantastic citizen science scheme helping local volunteers monitor the water quality of their local river