Water quality forecast

Daily water quality report

Date: 17 – 19/04/2026

Taff flow (cumecs): 16.73 falling at 06:15 GMT 17/04/2026 

Ely flow (cumecs): 3.35 falling at 06:15 GMT 17/04/2026 

Bay Water temperature Site 5 (oC) 11.46 at 06:15 GMT 17/04/2026

DateTaffElySite 5Site 6Site 8Site 9
19/04/2026FailFailFailPassPassFail
18/04/2026FailFailFailPassPassFail
17/04/2026FailFailFailPassPassFail

For further information and queries concerning the water quality predictions, please contact CHA Environment Team.

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Water quality forecast