Receiving watercourse
River Derwent
113 monitored storm overflows record River Derwent as their receiving watercourse in the National Storm Overflow Hub. Operated by Northumbrian Water, Severn Trent Water, United Utilities and Yorkshire Water.
113
Storm overflows
0
Active right now
6
Monitors offline
2,168
Spill events · 12 months
227,843h
Recorded discharge · 12 months
37
Open discrepancies
Every monitored overflow· 113
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- SVT00092Severn Trent Wateroffline
- SVT00493Severn Trent Wateroffline
- UUP00519United Utilitiesoffline
- YWS00543Yorkshire Wateroffline
- YWS01009Yorkshire Wateroffline
- UUP02261United Utilitiesoffline
- UUP00837United Utilitiesinactive
- UUP00838United Utilitiesinactive
- NWL00852Northumbrian Waterinactive
- UUP00741United Utilitiesinactive
- UUP01911United Utilitiesinactive
- UUP01505United Utilitiesinactive
- UUP01410United Utilitiesinactive
- SVT00760Severn Trent Waterinactive
- YWS00545Yorkshire Waterinactive
- NWL00320Northumbrian Waterinactive
- SVT01002Severn Trent Waterinactive
- SVT02705Severn Trent Waterinactive
- UUP00219United Utilitiesinactive
- SVT00802Severn Trent Waterinactive
- SVT00250Severn Trent Waterinactive
- SVT01515Severn Trent Waterinactive
- SVT01511Severn Trent Waterinactive
- SVT00065Severn Trent Waterinactive
- SVT00740Severn Trent Waterinactive
- SVT00834Severn Trent Waterinactive
- SVT00700Severn Trent Waterinactive
- SVT00737Severn Trent Waterinactive
- SVT02174Severn Trent Waterinactive
- SVT00734Severn Trent Waterinactive
- SVT01725Severn Trent Waterinactive
- SVT00791Severn Trent Waterinactive
- SVT02128Severn Trent Waterinactive
- SVT01711Severn Trent Waterinactive
- SVT00733Severn Trent Waterinactive
- SVT01887Severn Trent Waterinactive
- SVT02567Severn Trent Waterinactive
- SVT01516Severn Trent Waterinactive
- SVT00097Severn Trent Waterinactive
- SVT01367Severn Trent Waterinactive
- SVT00833Severn Trent Waterinactive
- SVT00720Severn Trent Waterinactive
- SVT00758Severn Trent Waterinactive
- SVT00735Severn Trent Waterinactive
- SVT00731Severn Trent Waterinactive
- SVT00756Severn Trent Waterinactive
- SVT00738Severn Trent Waterinactive
- SVT01561Severn Trent Waterinactive
- SVT00091Severn Trent Waterinactive
- SVT00072Severn Trent Waterinactive
- SVT00093Severn Trent Waterinactive
- SVT00096Severn Trent Waterinactive
- SVT00730Severn Trent Waterinactive
- SVT00094Severn Trent Waterinactive
- NWL00495Northumbrian Waterinactive
- SVT00757Severn Trent Waterinactive
- SVT00492Severn Trent Waterinactive
- SVT00721Severn Trent Waterinactive
- YWS00532Yorkshire Waterinactive
- YWS00548Yorkshire Waterinactive
- YWS00549Yorkshire Waterinactive
- YWS00573Yorkshire Waterinactive
- NWL00802Northumbrian Waterinactive
- NWL00269Northumbrian Waterinactive
- UUP00396United Utilitiesinactive
- UUP00397United Utilitiesinactive
- SVT00196Severn Trent Waterinactive
- SVT02301Severn Trent Waterinactive
- YWS01276Yorkshire Waterinactive
- SVT01086Severn Trent Waterinactive
- SVT00722Severn Trent Waterinactive
- SVT00867Severn Trent Waterinactive
- SVT01548Severn Trent Waterinactive
- SVT02530Severn Trent Waterinactive
- SVT00363Severn Trent Waterinactive
- SVT02287Severn Trent Waterinactive
- SVT01171Severn Trent Waterinactive
- SVT00081Severn Trent Waterinactive
- SVT00172Severn Trent Waterinactive
- SVT00305Severn Trent Waterinactive
- NWL00441Northumbrian Waterinactive
- NWL00641Northumbrian Waterinactive
- NWL00059Northumbrian Waterinactive
- NWL01116Northumbrian Waterinactive
- YWS00521Yorkshire Waterinactive
- NWL00803Northumbrian Waterinactive
- SVT01983Severn Trent Waterinactive
- UUP00823United Utilitiesinactive
- UUP01060United Utilitiesinactive
- NWL00618Northumbrian Waterinactive
- NWL01293Northumbrian Waterinactive
- NWL01511Northumbrian Waterinactive
- SVT02514Severn Trent Waterinactive
- YWS00509Yorkshire Waterinactive
- SVT01858Severn Trent Waterinactive
- YWS00528Yorkshire Waterinactive
- UUP01927United Utilitiesinactive
- SVT01549Severn Trent Waterinactive
- YWS00542Yorkshire Waterinactive
- NWL00152Northumbrian Waterinactive
- SVT00241Severn Trent Waterinactive
- NWL00281Northumbrian Waterinactive
- SVT01982Severn Trent Waterinactive
- SVT01525Severn Trent Waterinactive
- YWS01295Yorkshire Waterinactive
- NWL00001Northumbrian Waterinactive
- SVT00759Severn Trent Waterinactive
- SVT00160Severn Trent Waterinactive
- SVT00732Severn Trent Waterinactive
- NWL01218Northumbrian Waterinactive
- YWS00575Yorkshire Waterinactive
- NWL00443Northumbrian Waterinactive
- YWS00534Yorkshire Waterinactive
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.