← Heathfield STW, Newton Abbot
Spill evidence · Friends of the River Teign
Heathfield STW, Newton Abbot
Storm overflow at the works · SBB00557 · feeds HEATHFIELD STW
Dry spill
Evidence strength
Medium confidence- ✓ Dry across a 4-day antecedent window
- ✓ Monitor 99% operational that year
- ⚠ Short discharge (<1 h) — weaker signal
The discharge
- Spill day
- Wednesday, 15 January 2025
- Started
- 15 Jan 2025, 04:18
- Ended
- 15 Jan 2025, 04:36
- Duration
- 18 minutes 40 seconds
- Receiving water
- Lower Bovey
- Parish
- Bovey Tracey
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: Dry spill4-day window: Dry spill
| Date | Rainfall | |
|---|---|---|
| 15/01/2025 (spill day) | 0 mm | dry |
| 14/01/2025 | 0 mm | dry |
| 13/01/2025 | 0 mm | dry |
| 12/01/2025 | 0 mm | dry |
| 11/01/2025 | 0.2 mm | dry |
River flow that day: 8.231 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 5.6 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
- Teign Estuary
- EA annual return (2025)
- 106 counted spills · 2113 h total
- Monitor uptime (2025)
- 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 SBB00557). 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.