Receiving watercourse
North Sea
141 monitored storm overflows record North Sea as their receiving watercourse in the National Storm Overflow Hub. Operated by Anglian Water, Northumbrian Water, Southern Water and Yorkshire Water.
141
Storm overflows
0
Active right now
5
Monitors offline
1,681
Spill events · 12 months
358,056h
Recorded discharge · 12 months
46
Open discrepancies
Every monitored overflow· 141
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- AWS00870Anglian Wateroffline
- NWL00482Northumbrian Wateroffline
- NWL00649Northumbrian Wateroffline
- NWL00433Northumbrian Wateroffline
- AWS01012Anglian Wateroffline
- NWL00049Northumbrian Waterinactive
- NWL00474Northumbrian Waterinactive
- NWL00124Northumbrian Waterinactive
- YWS00576Yorkshire Waterinactive
- NWL00963Northumbrian Waterinactive
- NWL00198(1)Northumbrian Waterinactive
- YWS00849Yorkshire Waterinactive
- AWS00858Anglian Waterinactive
- YWS01482Yorkshire Waterinactive
- NWL00198(3)Northumbrian Waterinactive
- NWL01512Northumbrian Waterinactive
- YWS00510Yorkshire Waterinactive
- YWS01452Yorkshire Waterinactive
- YWS00930Yorkshire Waterinactive
- YWS01374Yorkshire Waterinactive
- AWS00234Anglian Waterinactive
- AWS00012Anglian Waterinactive
- NWL00666Northumbrian Waterinactive
- NWL00856Northumbrian Waterinactive
- NWL01166Northumbrian Waterinactive
- NWL01206Northumbrian Waterinactive
- NWL00213Northumbrian Waterinactive
- NWL00769Northumbrian Waterinactive
- NWL01170Northumbrian Waterinactive
- NWL01134Northumbrian Waterinactive
- NWL00842Northumbrian Waterinactive
- NWL00048Northumbrian Waterinactive
- NWL00398Northumbrian Waterinactive
- NWL00233Northumbrian Waterinactive
- NWL00940Northumbrian Waterinactive
- NWL00941Northumbrian Waterinactive
- YWS00931Yorkshire Waterinactive
- YWS01144Yorkshire Waterinactive
- NWL00814Northumbrian Waterinactive
- NWL01180Northumbrian Waterinactive
- NWL00930Northumbrian Waterinactive
- NWL01513Northumbrian Waterinactive
- NWL00400Northumbrian Waterinactive
- NWL00343Northumbrian Waterinactive
- NWL01097Northumbrian Waterinactive
- NWL01157Northumbrian Waterinactive
- NWL00834Northumbrian Waterinactive
- NWL00836Northumbrian Waterinactive
- NWL01156Northumbrian Waterinactive
- NWL00835Northumbrian Waterinactive
- AWS00186Anglian Waterinactive
- AWS00871Anglian Waterinactive
- NWL01579Northumbrian Waterinactive
- NWL00933Northumbrian Waterinactive
- NWL00412Northumbrian Waterinactive
- NWL00077Northumbrian Waterinactive
- YWS01735Yorkshire Waterinactive
- YWS00511Yorkshire Waterinactive
- YWS00526Yorkshire Waterinactive
- NWL01379Northumbrian Waterinactive
- NWL00197Northumbrian Waterinactive
- NWL00212Northumbrian Waterinactive
- NWL01578Northumbrian Waterinactive
- NWL00855Northumbrian Waterinactive
- NWL01292Northumbrian Waterinactive
- NWL00757Northumbrian Waterinactive
- NWL00174Northumbrian Waterinactive
- NWL00703Northumbrian Waterinactive
- NWL00898Northumbrian Waterinactive
- NWL01172Northumbrian Waterinactive
- NWL00097Northumbrian Waterinactive
- NWL00346Northumbrian Waterinactive
- NWL00942Northumbrian Waterinactive
- YWS00583Yorkshire Waterinactive
- NWL00756Northumbrian Waterinactive
- NWL00705Northumbrian Waterinactive
- NWL00758Northumbrian Waterinactive
- NWL00646Northumbrian Waterinactive
- NWL01247Northumbrian Waterinactive
- YWS00582Yorkshire Waterinactive
- AWS00869Anglian Waterinactive
- NWL00342Northumbrian Waterinactive
- NWL00739Northumbrian Waterinactive
- AWS00235Anglian Waterinactive
- NWL00841Northumbrian Waterinactive
- NWL00198(2)Northumbrian Waterinactive
- SWS00844Southern Waterinactive
- SWS00848Southern Waterinactive
- NWL00606Northumbrian Waterinactive
- NWL00959Northumbrian Waterinactive
- NWL00970Northumbrian Waterinactive
- AWS01123Anglian Waterinactive
- NWL00793Northumbrian Waterinactive
- NWL01117Northumbrian Waterinactive
- NWL00715Northumbrian Waterinactive
- NWL01376Northumbrian Waterinactive
- NWL00348Northumbrian Waterinactive
- NWL01076Northumbrian Waterinactive
- SWS00303Southern Waterinactive
- YWS00579Yorkshire Waterinactive
- NWL00442Northumbrian Waterinactive
- NWL01207Northumbrian Waterinactive
- SWS00474Southern Waterinactive
- SWS00359Southern Waterinactive
- SWS00549Southern Waterinactive
- SWS00550Southern Waterinactive
- SWS00341Southern Waterinactive
- AWS00640Anglian Waterinactive
- SWS00843Southern Waterinactive
- SWS00929Southern Waterinactive
- SWS00847Southern Waterinactive
- SWS00846Southern Waterinactive
- SWS00930Southern Waterinactive
- YWS01052Yorkshire Waterinactive
- YWS01453Yorkshire Waterinactive
- SWS00957Southern Waterinactive
- NWL00964Northumbrian Waterinactive
- SWS90136Southern Waterinactive
- SWS00185Southern Waterinactive
- SWS00819Southern Waterinactive
- SWS00753Southern Waterinactive
- NWL00896Northumbrian Waterinactive
- NWL00461Northumbrian Waterinactive
- AWS00641Anglian Waterinactive
- NWL00674Northumbrian Waterinactive
- NWL01258Northumbrian Waterinactive
- NWL00460Northumbrian Waterinactive
- AWS00857Anglian Waterinactive
- NWL01100Northumbrian Waterinactive
- NWL01163Northumbrian Waterinactive
- NWL00211Northumbrian Waterinactive
- NWL01162Northumbrian Waterinactive
- NWL01028Northumbrian Waterinactive
- SWS90003Southern Waterinactive
- NWL01467Northumbrian Waterinactive
- NWL00030Northumbrian Waterinactive
- NWL01458Northumbrian Waterinactive
- SWS00111Southern Waterinactive
- SWS90022Southern Waterinactive
- YWS00581Yorkshire Waterinactive
- YWS00584Yorkshire Waterinactive
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.