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Compton & Marldon STW

Spill evidence · Friends of the River Teign

Compton & Marldon STW

Storm overflow at the works · SBB00300 · feeds COMPTON AND MARLDON STW
Wet weather

The discharge

Spill day
Friday, 18 October 2024
Started
18 Oct 2024, 23:00
Ended
18 Oct 2024, 23:15
Duration
15 minutes
Receiving water
Aller Brook
Parish
Marldon

Rainfall evidence

Daily rainfall at the matched gauge (Torbay Compton) 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
18/10/2024 (spill day)13.4 mmrain
17/10/20240.4 mmrain
16/10/202415.1 mmrain
15/10/202417.3 mmrain
14/10/20243.1 mmrain

River flow that day: 15.215 m³/s. Verify at the EA rainfall station.

Gauge proximity

Outlet (red) vs matched rain gauge (blue), 1.7 km apart. Closer means the rainfall reading is more representative of the overflow.

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Severity & context

Bathing water
Not Applicable
Shellfish water
Teign Estuary
EA annual return (2024)
38 counted spills · 184 h total
Monitor uptime (2024)
97% 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 SBB00300). Rainfall: EA Hydrology gauge e7e2f7d4-f497-4adc-b077-c20bc2dcedfa. 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 Teign Data.
Spill evidence — Compton & Marldon STW — River Teign Data