← Dartington Sch Two
Spill evidence · Friends of the Dart
Dartington Sch Two
Combined sewer overflow · SBB00349 · feeds TOTNES STW
Wet weather
The discharge
- Spill day
- Tuesday, 15 November 2022
- Started
- 15 Nov 2022, 02:41
- Ended
- 15 Nov 2022, 11:20
- Duration
- 8 hours 39 minutes
- Receiving water
- Bidwell Brook
- Parish
- Dartington
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 | |
|---|---|---|
| 15/11/2022 (spill day) | 18.2 mm | rain |
| 14/11/2022 | 32.6 mm | rain |
| 13/11/2022 | 3 mm | rain |
| 12/11/2022 | 0 mm | dry |
| 11/11/2022 | 0 mm | dry |
River flow that day: 48.487 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 5.1 km apart. Closer means the rainfall reading is more representative of the overflow.
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Severity & context
- Bathing water
- Steamer Quay, Dart Estuary
- Shellfish water
- Dart
- Ahead of the works
- Yes — the treatment works' own overflow stayed shut that day, so capacity was available. Avoidable.
- EA annual return (2022)
- 50 counted spills · 478 h total
- Monitor uptime (2022)
- 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 SBB00349). 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.