Receiving watercourse

River Tamar

33 monitored storm overflows on the River Tamar are listed in the National Storm Overflow Hub. Operated by South West Water.

Storm overflows

Active right now

Monitors offline

1,104

Spill events · 12 months

341h

Recorded discharge · 12 months

Open discrepancies

Every monitored overflow· 33

Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.

Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.