Featured river · severn
River Severn
Britain's longest river — 220 miles from Plynlimon, mid-Wales, to the Bristol Channel. Salmon, paddleboarders, and Worcester's Diglis swimming spot.
113
Storm overflows
0
Active right now
1
Spill events · 24 h
6
Open discrepancies
1
Monitors offline
199
WIMS sampling points
24
Hydrology stations
Spill record· last 12 months · across the river
917
spill events
+10089% vs prior 12m
303,795h
cumulative discharge
+6906065% vs prior 12m
13 weeks
longest single event (all time)
2025-02-12
first event on record
Truth Engine flags· 6 open
- CriticalExtended spill (>72 h)Severn Trent Water · SVT02031 · RIVER SEVERN
- CriticalExtended spill (>72 h)Severn Trent Water · SVT01168 · RIVER SEVERN
- CriticalExtended spill (>72 h)Severn Trent Water · SVT02677 · RIVER SEVERN
- CriticalExtended spill (>72 h)Severn Trent Water · SVT00725 · RIVER SEVERN
- CriticalExtended spill (>72 h)Severn Trent Water · SVT00007 · RIVER SEVERN
- WarnDry-weather spillSevern Trent Water · SVT02677 · RIVER SEVERN
Recent spill events· last 7 days · 4
- 2026-08-04 15:44 UTCWessex Water · WXW00026 · RIVER SEVERN (ESTUARINE)6 min
- 2026-07-30 10:24 UTCSevern Trent Water · SVT01168 · RIVER SEVERN3 min
- 2026-07-30 10:12 UTCSevern Trent Water · SVT01168 · RIVER SEVERN8 min
- 2026-07-30 01:49 UTCSevern Trent Water · SVT02677 · RIVER SEVERN10 min