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Spill evidence · Friends of the Dart

Cornworthy STW, Dartmouth

Storm overflow at the works · SBB00309 · feeds CORNWORTHY_STW_DARTMOUTH
No rain data

The discharge

Spill day
Tuesday, 27 October 2020
Started
27 Oct 2020, 06:29
Ended
27 Oct 2020, 10:59
Duration
4 hours 29 minutes
Receiving water
—
Parish
—

Rainfall evidence

Daily rainfall at the matched gauge (Harbertonford Slipperstone) 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: No rain data3-day window: No rain data4-day window: No rain data
DateRainfall
27/10/2020 (spill day)no data
26/10/2020no data
25/10/2020no data
24/10/2020no data
23/10/2020no data

River flow that day: —. 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.

Loading map…

Severity & context

Bathing water
Not Applicable
Shellfish water
Dart
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 SBB00309). Rainfall: EA Hydrology gauge 8d954129-924c-47e3-8750-5f29a59617b2. 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.