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Heathfield STW, Newton Abbot

Spill evidence · Friends of the River Teign

Heathfield STW, Newton Abbot

Storm overflow at the works · SBB00557 · feeds HEATHFIELD STW
Wet weather

The discharge

Spill day
Thursday, 25 February 2021
Started
25 Feb 2021, 11:41
Ended
25 Feb 2021, 11:56
Duration
15 minutes 49 seconds
Receiving water
Lower Bovey
Parish
Bovey Tracey

Rainfall evidence

Daily rainfall at the matched gauge (Bovey Tracey) 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
25/02/2021 (spill day)0 mmdry
24/02/20211.7 mmrain
23/02/20211.2 mmrain
22/02/20210 mmdry
21/02/20213.1 mmrain

River flow that day: 11.745 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 5.6 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
Teign Estuary
EA annual return (2021)
88 counted spills · 1579 h total
Monitor uptime (2021)
100% operational
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 SBB00557). Rainfall: EA Hydrology gauge de3285a5-0abf-4c5b-8ee2-63187f9124ae. 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 — Heathfield STW, Newton Abbot — River Teign Data