Spill evidence · Friends of the Dart

Old Woollen Mill, Buckfastleigh

Combined sewer overflow · SBB00885 · feeds BUCKFASTLEIGH STW

Wet weather

The discharge

Spill day: Tuesday, 8 October 2024
Started: 8 Oct 2024, 10:14
Ended: 8 Oct 2024, 10:30
Duration: 16 minutes
Receiving water: Dart
Parish: Buckfastleigh

Rainfall evidence

Daily rainfall at the matched gauge (Austins Bridge) 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

Date	Rainfall
08/10/2024 (spill day)	19.5 mm	rain
07/10/2024	20.4 mm	rain
06/10/2024	23.1 mm	rain
05/10/2024	4.6 mm	rain
04/10/2024	0 mm	dry

River flow that day: 39.937 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 1.6 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: Not Applicable
Ahead of the works: No — the works was also overflowing that day.
EA annual return (2024): 11 counted spills · 23 h total
Monitor uptime (2024): 99% 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 SBB00885). Rainfall: EA Hydrology gauge fd8ea26c-8052-48c5-a1bb-bbd5ebbbb3d3_364176. 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.