Water quality forecast

Daily water quality report

Date: 19 – 21/12/2025

Taff flow (cumecs): 81.46 falling at 07:30GMT 19/12/2025

Ely flow (cumecs): 12.46 falling at 07:30GMT 19/12/2025 

Bay Water temperature Site 5 (oC) 9.01 at 07:30GMT 19/12/2025  

DateTaffElySite 5Site 6Site 8Site 9
21/12/2025FailFailFailFailFailFail
20/12/2025FailFailFailFailFailFail
19/12/2025FailFailFailFailFailFail

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

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Water quality forecast