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Spill evidence · Friends of the River Teign

Denbury STW

Storm overflow at the works · SBB00358 · feeds DENBURY system
Wet weather

The discharge

Spill day
Friday, 27 February 2026
Started
27 Feb 2026, 00:28
Ended
27 Feb 2026, 01:04
Duration
36 minutes 39 seconds
Receiving water
—
Parish
—

Rainfall evidence

Daily rainfall at the matched gauge (Bickington) 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
27/02/2026 (spill day)5.8 mmrain
26/02/202620.7 mmrain
25/02/20260.1 mmdry
24/02/20260 mmdry
23/02/20260 mmdry

River flow that day: 16.424 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 5.3 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 SBB00358). Rainfall: EA Hydrology gauge 31653dd5-c1ed-4091-a860-5e8d25936861. 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 — Denbury STW — River Teign Data