What percentage of water bodies in Dee are at Good ecological status?

10% of the 10 assessed surface water bodies in the Dee catchment achieved Ecological Good or High status under WFD Cycle 3 (2022). 9 water bodies are at Moderate, Poor or Bad status and require improvement. Source: Environment Agency Catchment Data Explorer, OGL v3.0.

How does the Dee catchment compare to the rest of England?

Dee has a Gera River Health Index of 46/100, ranked 90 of 105 English management catchments. The England average is 54/100. Nationally, only 14% of water bodies reach Ecological Good or High status; Dee's rate is 10%.

What ecological statuses are recorded in the Dee catchment?

WFD Cycle 3 (2022) ecological status breakdown for Dee: High: 0, Good: 1, Moderate: 5, Poor: 4, Bad: 0. Total assessed: 10 surface water bodies. Source: Environment Agency, OGL v3.0.

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Dee River Health

Real Environment Agency WFD Cycle 3 (2022) ecological status for 10 surface water bodies in the Dee management catchment (Dee River Basin District).

How healthy are the rivers in the Dee catchment?

In the Dee catchment (Dee River Basin District), 10% of its 10 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 90 of 105), below the England average of 54.

Source:Environment Agency — Catchment Data Explorer WFD Classifications (Cycle 3, 2022)·as of 2022 (Cycle 3 assessment)updated every 6 years (WFD cycle) (last: 20 June 2026)

Gera River Health Index46 / 100Ranked 90 of 105 English management catchments. England average: 54. Band: Moderate.How this index is calculated

Dee — ecological status breakdown

Dee WFD Cycle 3 (2022) ecological status — 10 surface water bodies (EA)
WFD Ecological Status	Water bodies	% of total
High	0	0%
Good	1	10%
Moderate	5	50%
Poor	4	40%
Bad	0	0%

How Dee compares to England

46/100

Dee GRHI

54/100

England avg GRHI

10%

Dee Good/High

14%

England Good/High

Dee is ranked 90 of 105 — below the England average. 9 water bodies have not yet reached Good ecological status.

Compare with another catchment

Select any English management catchment to compare river health scores

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Dee

Dee River Basin District

Moderate — ranked 90 of 105

▼ below England average (54/100)

Ecological status — 10 water bodies

1 Good5 Moderate4 Poor

England: only 14% of all assessed water bodies reach Good or High status. Dee is at 10%.

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Dee river health — FAQ

What percentage of water bodies in Dee are at Good ecological status?: 10% of the 10 assessed surface water bodies in the Dee catchment achieved Ecological Good or High status under WFD Cycle 3 (2022). 9 water bodies are at Moderate, Poor or Bad status and require improvement. Source: Environment Agency Catchment Data Explorer, OGL v3.0.
How does the Dee catchment compare to the rest of England?: Dee has a Gera River Health Index of 46/100, ranked 90 of 105 English management catchments. The England average is 54/100. Nationally, only 14% of water bodies reach Ecological Good or High status; Dee's rate is 10%.
What ecological statuses are recorded in the Dee catchment?: WFD Cycle 3 (2022) ecological status breakdown for Dee: High: 0, Good: 1, Moderate: 5, Poor: 4, Bad: 0. Total assessed: 10 surface water bodies. Source: Environment Agency, OGL v3.0.

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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).