← Moretonhampstead STW, Moretonhampstd
Spill evidence · Friends of the River Teign
Moretonhampstead STW, Moretonhampstd
Storm overflow at the works · SBB00807 · feeds MORETONHAMPSTEAD_STW_MORETONHAMPSTEAD
Wet weather
The discharge
- Spill day
- Saturday, 30 August 2025
- Started
- 30 Aug 2025, 14:44
- Ended
- 30 Aug 2025, 20:02
- Duration
- 5 hours 17 minutes
- Receiving water
- Wray Brook
- Parish
- Moretonhampstead
Rainfall evidence
Daily rainfall at the matched gauge (Mardon Down) 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 | |
|---|---|---|
| 30/08/2025 (spill day) | 11.1 mm | rain |
| 29/08/2025 | 0.9 mm | rain |
| 28/08/2025 | 15 mm | rain |
| 27/08/2025 | 0.2 mm | dry |
| 26/08/2025 | 6.2 mm | rain |
River flow that day: 0.842 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 3.2 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)
- 74 counted spills · 1222 h total
- Monitor uptime (2025)
- 79% 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 SBB00807). Rainfall: EA Hydrology gauge 323b21d8-c9a4-4681-bc5c-62d7337993ac. 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.