Warfleet Creek pumping station, Dartmouth

Pumping station overflow · SBB01316 · feeds DARTMOUTH STW

Dry spill

Evidence strength

Medium confidence

✓ Dry across a 4-day antecedent window
✓ Monitor 100% operational that year

⚠ Short discharge (<1 h) — weaker signal

The discharge

Spill day: Saturday, 10 April 2021
Started: 10 Apr 2021, 19:38
Ended: 10 Apr 2021, 20:17
Duration: 39 minutes 4 seconds
Receiving water: Dart (Tidal)
Parish: Dartmouth

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
10/04/2021 (spill day)	0 mm	dry
09/04/2021	0 mm	dry
08/04/2021	0 mm	dry
07/04/2021	0 mm	dry
06/04/2021	0 mm	dry

River flow that day: 3.626 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: Warfleet Creek, Dart Estuary
Shellfish water: Dart
Ahead of the works: Unknown (no works overflow data)
EA annual return (2021): 358 counted spills · 344 h total
Monitor uptime (2021): 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 SBB01316). 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.