← DITTISHAM MAIN STW_SO_DITTISHAM
Spill evidence · Friends of the Dart
DITTISHAM MAIN STW_SO_DITTISHAM
Storm overflow at the works · SBB00365 · feeds DITTISHAM MAIN_STW_DITTISHAM
Wet weather
The discharge
- Spill day
- Thursday, 12 January 2023
- Started
- 12 Jan 2023, 09:33
- Ended
- 12 Jan 2023, 13:34
- Duration
- 4 hours
- Receiving water
- Dart (Tidal)
- Parish
- Dittisham
Rainfall evidence
Daily rainfall at the matched gauge (Brixham) 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 | |
|---|---|---|
| 12/01/2023 (spill day) | 9.7 mm | rain |
| 11/01/2023 | 7.5 mm | rain |
| 10/01/2023 | 4.7 mm | rain |
| 09/01/2023 | 7.2 mm | rain |
| 08/01/2023 | 4.2 mm | rain |
River flow that day: 100.641 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
- Dittisham, Dart Estuary
- Shellfish water
- Dart
- EA annual return (2023)
- 62 counted spills · 381 h total
- Monitor uptime (2023)
- 100% operational
⚠ Coastal / tidal location — very short discharges around high tide can be monitor artefacts; corroborate with tide times before relying on short events here.
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 SBB00365). Rainfall: EA Hydrology gauge 9dba2bf3-f5ea-4616-ac8e-dce16dbc0dc8. 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.