Water quality forecast

Daily water quality report

Date: 16 – 18/10/2026

Taff flow (cumecs): 16.29 rising at 06:45GMT 16/10/2026 

Ely flow (cumecs): 3.15 level at 06:45GMT 16/10/2026

Bay Water temperature Site 5 (oC) 14.69 at 06:30GMT 16/10/2026 

DateTaffElySite 5Site 6Site 8Site 9
18/10/2026FailFailPassPassPassPass
17/10/2026FailFailPassPassPassPass
16/10/2026FailFailPassPassPassPass

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

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Water quality forecast