← Bunkers Bridge, Chudleigh Knighton
Spill evidence · Friends of the River Teign
Bunkers Bridge, Chudleigh Knighton
Combined sewer overflow · SBB00190 · feeds CHUDLEIGH KNIGHTON_STW_CHUDLEIGH KNIGHTO
Dry spill
Evidence strength
Medium confidence- ✓ Long discharge (≥6 h)
- ✓ Dry on the EA 1-day window
- ✓ Monitor 98% operational that year
The discharge
- Spill day
- Friday, 24 May 2024
- Started
- 24 May 2024, 07:42
- Ended
- 24 May 2024, 22:58
- Duration
- 15 hours 16 minutes
- Receiving water
- Teign (Lower)
- Parish
- Hennock
Rainfall evidence
Daily rainfall at the matched gauge (Bovey Tracey) 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: Dry spill3-day window: Wet weather4-day window: Wet weather
| Date | Rainfall | |
|---|---|---|
| 24/05/2024 (spill day) | 0 mm | dry |
| 23/05/2024 | 0 mm | dry |
| 22/05/2024 | 8.6 mm | rain |
| 21/05/2024 | 7.2 mm | rain |
| 20/05/2024 | 0 mm | dry |
River flow that day: 3.897 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 6.1 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
- Teign Estuary
- Ahead of the works
- Yes — the treatment works' own overflow stayed shut that day, so capacity was available. Avoidable.
- EA annual return (2024)
- 40 counted spills · 75 h total
- Monitor uptime (2024)
- 98% 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 SBB00190). Rainfall: EA Hydrology gauge de3285a5-0abf-4c5b-8ee2-63187f9124ae. 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.