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
5
Monitors offline
1,285
Spill events · 12 months
78,054h
Recorded discharge · 12 months
20
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.
- SVT01711Severn Trent Wateroffline
- SVT00722Severn Trent Wateroffline
- NWL00441Northumbrian Wateroffline
- NWL00641Northumbrian Wateroffline
- UUP02261United Utilitiesoffline
- YWS00543Yorkshire Waterinactive
- NWL00802Northumbrian Waterinactive
- UUP00837United Utilitiesinactive
- SVT01983Severn Trent Waterinactive
- UUP00741United Utilitiesinactive
- YWS00548Yorkshire Waterinactive
- NWL00852Northumbrian Waterinactive
- UUP00838United Utilitiesinactive
- UUP01410United Utilitiesinactive
- NWL00495Northumbrian Waterinactive
- SVT02705Severn Trent Waterinactive
- SVT02301Severn Trent Waterinactive
- SVT01511Severn Trent Waterinactive
- SVT01516Severn Trent Waterinactive
- SVT01367Severn Trent Waterinactive
- SVT02128Severn Trent Waterinactive
- SVT01548Severn Trent Waterinactive
- SVT00305Severn Trent Waterinactive
- UUP00219United Utilitiesinactive
- NWL01116Northumbrian Waterinactive
- UUP01505United Utilitiesinactive
- UUP01911United Utilitiesinactive
- YWS00521Yorkshire Waterinactive
- SVT00493Severn Trent Waterinactive
- UUP00823United Utilitiesinactive
- SVT01002Severn Trent Waterinactive
- SVT00065Severn Trent Waterinactive
- SVT01515Severn Trent Waterinactive
- NWL00320Northumbrian Waterinactive
- UUP00519United Utilitiesinactive
- SVT00072Severn Trent Waterinactive
- SVT00196Severn Trent Waterinactive
- SVT01086Severn Trent Waterinactive
- SVT00760Severn Trent Waterinactive
- SVT01887Severn Trent Waterinactive
- SVT00802Severn Trent Waterinactive
- SVT00250Severn Trent Waterinactive
- SVT01725Severn Trent Waterinactive
- SVT00733Severn Trent Waterinactive
- SVT00740Severn Trent Waterinactive
- SVT02174Severn Trent Waterinactive
- SVT00097Severn Trent Waterinactive
- SVT00700Severn Trent Waterinactive
- SVT00734Severn Trent Waterinactive
- SVT00791Severn Trent Waterinactive
- SVT00758Severn Trent Waterinactive
- SVT02567Severn Trent Waterinactive
- SVT00731Severn Trent Waterinactive
- UUP01060United Utilitiesinactive
- YWS00545Yorkshire Waterinactive
- NWL00618Northumbrian Waterinactive
- NWL00269Northumbrian Waterinactive
- YWS00532Yorkshire Waterinactive
- NWL01293Northumbrian Waterinactive
- SVT00096Severn Trent Waterinactive
- NWL00803Northumbrian Waterinactive
- NWL00059Northumbrian Waterinactive
- SVT00834Severn Trent Waterinactive
- SVT00833Severn Trent Waterinactive
- SVT00721Severn Trent Waterinactive
- SVT00093Severn Trent Waterinactive
- SVT01561Severn Trent Waterinactive
- SVT00757Severn Trent Waterinactive
- YWS00549Yorkshire Waterinactive
- SVT00091Severn Trent Waterinactive
- NWL01511Northumbrian Waterinactive
- SVT00735Severn Trent Waterinactive
- SVT02514Severn Trent Waterinactive
- SVT00756Severn Trent Waterinactive
- YWS01009Yorkshire Waterinactive
- SVT00737Severn Trent Waterinactive
- SVT00720Severn Trent Waterinactive
- SVT00738Severn Trent Waterinactive
- SVT00092Severn Trent Waterinactive
- YWS00509Yorkshire Waterinactive
- SVT02530Severn Trent Waterinactive
- SVT00081Severn Trent Waterinactive
- SVT00094Severn Trent Waterinactive
- SVT00730Severn Trent Waterinactive
- SVT00492Severn Trent Waterinactive
- SVT02287Severn Trent Waterinactive
- SVT01858Severn Trent Waterinactive
- SVT00172Severn Trent Waterinactive
- YWS00528Yorkshire Waterinactive
- UUP01927United Utilitiesinactive
- SVT00363Severn Trent Waterinactive
- SVT01549Severn Trent Waterinactive
- YWS00542Yorkshire Waterinactive
- NWL00152Northumbrian Waterinactive
- SVT01171Severn Trent Waterinactive
- SVT00241Severn Trent Waterinactive
- NWL00281Northumbrian Waterinactive
- SVT00867Severn Trent Waterinactive
- SVT01982Severn Trent Waterinactive
- YWS01276Yorkshire Waterinactive
- SVT01525Severn Trent Waterinactive
- UUP00396United Utilitiesinactive
- YWS01295Yorkshire Waterinactive
- YWS00573Yorkshire Waterinactive
- UUP00397United Utilitiesinactive
- 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.