Water quality forecast

Daily water quality report

Date: 11 – 13/09/2026

Taff flow (cumecs): 11.67 falling at 06:15GMT 11/09/2026  

Ely flow (cumecs): 1.53 level at 06:15GMT 11/09/2026

Bay Water temperature Site 5 (oC) 17.67 at 06:30GMT 11/09/2026 

DateTaffElySite 5Site 6Site 8Site 9
13/09/2026PassPassPassPassPassPass
12/09/2026PassFailPassPassPassPass
11/09/2026FailFailPassPassPassPass

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

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Water quality forecast