GeraHome / UK River Health / London
London River Health
Real Environment Agency WFD Cycle 3 (2022) ecological status for 44 surface water bodies in the London management catchment (Thames River Basin District).
How healthy are the rivers in the London catchment?
In the London catchment (Thames River Basin District), 2% of its 44 assessed surface water bodies achieved Ecological Good or High status under the WFD Cycle 3 (2022) assessment, per the Environment Agency. The Gera River Health Index is 47/100 (ranked 85 of 105), below the England average of 54.
London — ecological status breakdown
| WFD Ecological Status | Water bodies | % of total |
|---|---|---|
| High | 0 | 0% |
| Good | 1 | 2% |
| Moderate | 32 | 73% |
| Poor | 10 | 23% |
| Bad | 1 | 2% |
How London compares to England
47/100
London GRHI
54/100
England avg GRHI
2%
London Good/High
14%
England Good/High
London is ranked 85 of 105 — below the England average. 43 water bodies have not yet reached Good ecological status.
Compare with another catchment
Select any English management catchment to compare river health scores
London
Thames River Basin District
Moderate — ranked 85 of 105
▼ below England average (54/100)
Ecological status — 44 water bodies
Want to buy, sell or rent near London? GeraHome connects you with vetted local agents and tradespeople.
Find local home servicesLondon river health — FAQ
- What percentage of water bodies in London are at Good ecological status?
- 2% of the 44 assessed surface water bodies in the London catchment achieved Ecological Good or High status under WFD Cycle 3 (2022). 43 water bodies are at Moderate, Poor or Bad status and require improvement. Source: Environment Agency Catchment Data Explorer, OGL v3.0.
- How does the London catchment compare to the rest of England?
- London has a Gera River Health Index of 47/100, ranked 85 of 105 English management catchments. The England average is 54/100. Nationally, only 14% of water bodies reach Ecological Good or High status; London's rate is 2%.
- What ecological statuses are recorded in the London catchment?
- WFD Cycle 3 (2022) ecological status breakdown for London: High: 0, Good: 1, Moderate: 32, Poor: 10, Bad: 1. Total assessed: 44 surface water bodies. Source: Environment Agency, OGL v3.0.
Buying, renting or renovating near London?
GeraHome connects you with vetted local tradespeople — drainage specialists, damp surveyors and plumbers — for properties in and around London.
Related
- UK River Health Index — all 105 catchments
- GRHI methodology — how the score is computed.
- UK water bills by company — cost of water services in your area.
- EA Catchment Data Explorer — the primary source.
Contains public sector information published by Environment Agency and licensed under the Open Government Licence v3.0. Source: Environment Agency — Catchment Data Explorer WFD Classifications (Cycle 3, 2022) (2022 (Cycle 3 assessment), published 2022).