Receiving watercourse
Groundwater
12 monitored storm overflows record Groundwater as their receiving watercourse in the National Storm Overflow Hub. Operated by Severn Trent Water, Thames Water and Yorkshire Water.
12
Storm overflows
0
Active right now
0
Monitors offline
20
Spill events · 12 months
706h
Recorded discharge · 12 months
1
Open discrepancies
Every monitored overflow· 12
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- TWL00050Thames Waterinactive
- TWL00226Thames Waterinactive
- TWL00000Thames Waterinactive
- SVT02468Severn Trent Waterinactive
- TWL00149Thames Waterinactive
- TWL00006Thames Waterinactive
- TWL00049Thames Waterinactive
- TWL00068Thames Waterinactive
- TWL00723Thames Waterinactive
- YWS00506Yorkshire Waterinactive
- TWL00108Thames Waterinactive
- TWL00374Thames Waterinactive
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.