← Widecombe STW, Widecombe in the Moor
Spill evidence · Friends of the Dart
Widecombe STW, Widecombe in the Moor
Storm overflow at the works · SBB01359 · feeds WIDECOMBE_STW_WIDECOMBE IN THE MOOR
Wet weather
The discharge
- Spill day
- Tuesday, 11 November 2025
- Started
- 11 Nov 2025, 17:31
- Ended
- 11 Nov 2025, 17:54
- Duration
- 23 minutes 10 seconds
- Receiving water
- East Webburn River
- Parish
- Widecombe in the Moor
Rainfall evidence
Daily rainfall at the matched gauge (Bellever Dartmoor) 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 | |
|---|---|---|
| 11/11/2025 (spill day) | 43.7 mm | rain |
| 10/11/2025 | 6.6 mm | rain |
| 09/11/2025 | 25.5 mm | rain |
| 08/11/2025 | 0.2 mm | dry |
| 07/11/2025 | 3.4 mm | rain |
River flow that day: 51.091 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 6.3 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
- EA annual return (2025)
- 14 counted spills · 21 h total
- Monitor uptime (2025)
- 89% 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 SBB01359). Rainfall: EA Hydrology gauge 723a8fc4-908b-4430-91c7-9990be86540a_363307. 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.