SHINNERS BRIDGE_CSO_DARTINGTON

Spill evidence · Friends of the Dart

SHINNERS BRIDGE_CSO_DARTINGTON

Combined sewer overflow · SBB01082 · feeds TOTNES STW
Wet weather

The discharge

Spill day
Saturday, 28 October 2023
Started
28 Oct 2023, 22:52
Ended
28 Oct 2023, 23:10
Duration
17 minutes 40 seconds
Receiving water
Bidwell Brook
Parish
Dartington

Rainfall evidence

Daily rainfall at the matched gauge (Austins Bridge) 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
DateRainfall
28/10/2023 (spill day)18.6 mmrain
27/10/202325.2 mmrain
26/10/202311.9 mmrain
25/10/20232 mmrain
24/10/202316.6 mmrain

River flow that day: 34.879 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 5.2 km apart. Closer means the rainfall reading is more representative of the overflow.

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Severity & context

Bathing water
Steamer Quay, Dart Estuary
Shellfish water
Dart
Ahead of the works
No — the works was also overflowing that day.
EA annual return (2023)
62 counted spills · 121 h total
Monitor uptime (2023)
94% 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 SBB01082). Rainfall: EA Hydrology gauge fd8ea26c-8052-48c5-a1bb-bbd5ebbbb3d3_364176. 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.
Spill evidence — SHINNERS BRIDGE_CSO_DARTINGTON — River Hub