Receiving watercourse
River Derwent Estuary
3 monitored storm overflows on the River Derwent Estuary are listed in the National Storm Overflow Hub. Operated by Northumbrian Water and United Utilities.
3
Storm overflows
0
Active right now
1
Monitors offline
31
Spill events · 12 months
119h
Recorded discharge · 12 months
2
Open discrepancies
Every monitored overflow· 3
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.