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Whiddon Down STW

Spill evidence · Friends of the River Teign

Whiddon Down STW

Storm overflow at the works · SBB01355 · feeds WHIDDON DOWN_STW_WHIDDON DOWN
Wet weather

The discharge

Spill day
Tuesday, 8 November 2022
Started
8 Nov 2022, 08:56
Ended
8 Nov 2022, 09:54
Duration
58 minutes 20 seconds
Receiving water
Fingle Brook
Parish
Drewsteignton

Rainfall evidence

Daily rainfall at the matched gauge (Sticklepath) for the spill day and the days before. A spill is dry when every day in the window is ≤ 0.25 mm.

1-day window: Wet weather3-day window: Wet weather4-day window: Wet weather
DateRainfall
08/11/2022 (spill day)12.8 mmrain
07/11/202220.8 mmrain
06/11/20227.1 mmrain
05/11/20223.7 mmrain
04/11/20221.4 mmrain

River flow that day: 27.872 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 5.1 km apart. Closer means the rainfall reading is more representative of the overflow.

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Severity & context

Bathing water
Not Applicable
Shellfish water
Not Applicable
Method & provenance. Dry/wet classification is decided by rainfall at the nearest EA gauge — ≤ 0.25 mm on the spill day and each preceding day of the window (how we classify). Spill data: Environment Agency EDM (outlet SBB01355). Rainfall: EA Hydrology gauge 8a94b829-d54c-402a-8586-b35cece06a2f_390511. A dry spill is precautionary evidence of a likely fault, not proof of an offence — we test the rainfall, not the works' flow. Generated by River Teign Data.
Spill evidence — Whiddon Down STW — River Teign Data