Receiving watercourse
River Itchen
18 monitored storm overflows on the River Itchen are listed in the National Storm Overflow Hub. Operated by Southern Water.
The data records River Itchen in more than one place, so it is split across 2 pages. This page is River Itchen; see also River Itchen (Severn Trent Water area).
18
Storm overflows
0
Active right now
0
Monitors offline
22
Spill events · 12 months
74h
Recorded discharge · 12 months
0
Open discrepancies
Every monitored overflow· 18
Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.
- SWS00674Southern Waterinactive
- SWS00160Southern Waterinactive
- SWS00462Southern Waterinactive
- SWS00777Southern Waterinactive
- SWS00497Southern Waterinactive
- SWS00798Southern Waterinactive
- SWS00969Southern Waterinactive
- SWS00897Southern Waterinactive
- SWS00399Southern Waterinactive
- SWS00174Southern Waterinactive
- SWS00344Southern Waterinactive
- SWS00968Southern Waterinactive
- SWS00345Southern Waterinactive
- SWS00196Southern Waterinactive
- SWS00169Southern Waterinactive
- SWS90078Southern Waterinactive
- SWS00695Southern Waterinactive
- SWS00150Southern Waterinactive
Seen something?
Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.