Scorriton STW

Spill evidence · Friends of the Dart

Scorriton STW

Storm overflow at the works · SBB01058 · feeds SCORRITON_STW_SCORRITON
Wet weather

The discharge

Spill day
Thursday, 21 December 2023
Started
21 Dec 2023, 15:46
Ended
26 Dec 2023, 22:11
Duration
5 days 6 hours
Receiving water
Dart
Parish
West Buckfastleigh

Rainfall evidence

Daily rainfall at the matched gauge (Holne Priddons Farm) 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
21/12/2023 (spill day)2.9 mmrain
20/12/20234.4 mmrain
19/12/20236.3 mmrain
18/12/202310.1 mmrain
17/12/20230 mmdry

River flow that day: 17.21 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 2.0 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
EA annual return (2023)
132 counted spills · 1632 h total
Monitor uptime (2023)
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 SBB01058). Rainfall: EA Hydrology gauge b000c3f6-3922-48ea-8726-4173de4998d0. 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 Hub.
Spill evidence — Scorriton STW — River Hub