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Thames and Chilterns South River Health
Real Environment Agency WFD Cycle 3 (2022) ecological status for 25 surface water bodies in the Thames and Chilterns South management catchment (Thames River Basin District).
How healthy are the rivers in the Thames and Chilterns South catchment?
In the Thames and Chilterns South catchment (Thames River Basin District), 0% of its 25 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 46/100 (ranked 93 of 105), below the England average of 54.
Thames and Chilterns South — ecological status breakdown
| WFD Ecological Status | Water bodies | % of total |
|---|---|---|
| High | 0 | 0% |
| Good | 0 | 0% |
| Moderate | 16 | 64% |
| Poor | 8 | 32% |
| Bad | 1 | 4% |
How Thames and Chilterns South compares to England
46/100
Thames and Chilterns South GRHI
54/100
England avg GRHI
0%
Thames and Chilterns South Good/High
14%
England Good/High
Thames and Chilterns South is ranked 93 of 105 — below the England average. 25 water bodies have not yet reached Good ecological status.
Compare with another catchment
Select any English management catchment to compare river health scores
Thames and Chilterns South
Thames River Basin District
Moderate — ranked 93 of 105
▼ below England average (54/100)
Ecological status — 25 water bodies
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Find local home servicesThames and Chilterns South river health — FAQ
- What percentage of water bodies in Thames and Chilterns South are at Good ecological status?
- 0% of the 25 assessed surface water bodies in the Thames and Chilterns South catchment achieved Ecological Good or High status under WFD Cycle 3 (2022). 25 water bodies are at Moderate, Poor or Bad status and require improvement. Source: Environment Agency Catchment Data Explorer, OGL v3.0.
- How does the Thames and Chilterns South catchment compare to the rest of England?
- Thames and Chilterns South has a Gera River Health Index of 46/100, ranked 93 of 105 English management catchments. The England average is 54/100. Nationally, only 14% of water bodies reach Ecological Good or High status; Thames and Chilterns South's rate is 0%.
- What ecological statuses are recorded in the Thames and Chilterns South catchment?
- WFD Cycle 3 (2022) ecological status breakdown for Thames and Chilterns South: High: 0, Good: 0, Moderate: 16, Poor: 8, Bad: 1. Total assessed: 25 surface water bodies. Source: Environment Agency, OGL v3.0.
Buying, renting or renovating near Thames and Chilterns South?
GeraHome connects you with vetted local tradespeople — drainage specialists, damp surveyors and plumbers — for properties in and around Thames and Chilterns South.
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).