31 Fore Street, Totnes

Spill evidence · Friends of the Dart

31 Fore Street, Totnes

Combined sewer overflow · SBB00025 · feeds TOTNES STW
Wet weather

The discharge

Spill day
Monday, 10 July 2023
Started
10 Jul 2023, 20:44
Ended
10 Jul 2023, 21:30
Duration
45 minutes 2 seconds
Receiving water
Dart
Parish
Totnes

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: Wet weather3-day window: Wet weather4-day window: Wet weather
DateRainfall
10/07/2023 (spill day)27.4 mmrain
09/07/20230 mmdry
08/07/20232.1 mmrain
07/07/20230.5 mmrain
06/07/20230 mmdry

River flow that day: 4.022 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 5.8 km apart. Closer means the rainfall reading is more representative of the overflow.

Loading map…

Severity & context

Bathing water
Steamer Quay, Dart Estuary
Shellfish water
Dart
Ahead of the works
Yes — the treatment works' own overflow stayed shut that day, so capacity was available. Avoidable.
EA annual return (2023)
45 counted spills · 29 h total
Monitor uptime (2023)
95% 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 SBB00025). 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.