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Spill evidence · Friends of the Dart
YARROW BANK SPS_PSCSOEO_KINGSWEAR
Pumping station overflow · SBB01385 · feeds DARTMOUTH STW
Dry spill
Evidence strength
High confidence- ✓ Long discharge (≥6 h)
- ✓ Dry across a 4-day antecedent window
- ✓ Monitor 95% operational that year
The discharge
- Spill day
- Thursday, 20 June 2024
- Started
- 20 Jun 2024, 11:38
- Ended
- 20 Jun 2024, 22:26
- Duration
- 10 hours 48 minutes
- Receiving water
- Dart (Tidal)
- Parish
- Kingswear
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: Dry spill3-day window: Dry spill4-day window: Dry spill
| Date | Rainfall | |
|---|---|---|
| 20/06/2024 (spill day) | 0 mm | dry |
| 19/06/2024 | 0 mm | dry |
| 18/06/2024 | 0 mm | dry |
| 17/06/2024 | 0 mm | dry |
| 16/06/2024 | 0 mm | dry |
River flow that day: 3.435 m³/s. Verify at the EA rainfall station.
Gauge proximity
Outlet (red) vs matched rain gauge (blue), 5.3 km apart. Closer means the rainfall reading is more representative of the overflow.
Loading map…
Severity & context
- Bathing water
- Not Applicable
- Shellfish water
- Not Applicable
- Ahead of the works
- Unknown (no works overflow data)
- EA annual return (2024)
- 8 counted spills · 130 h total
- Monitor uptime (2024)
- 95% 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 SBB01385). 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.