Featured river · don
River Don
70 miles through South Yorkshire, joining the Trent at the Aire. Severe legacy industrial pollution + active sewage discharges.
113
Storm overflows
0
Active right now
10
Spill events · 24 h
10
Open discrepancies
3
Monitors offline
7
WIMS sampling points
16
Hydrology stations
Spill record· last 12 months · across the river
743
spill events
+4853% vs prior 12m
86,441h
cumulative discharge
+2007556% vs prior 12m
13 weeks
longest single event (all time)
2021-07-07
first event on record
Truth Engine flags· 10 open
- CriticalExtended spill (>72 h)Northumbrian Water · NWL00216 · Tributary of River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL01418 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL01120 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL00264 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL01485 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL00365 · River Don
- WarnMonitor offlineNorthumbrian Water · NWL00476 · River Don
- CautionDry-weather spillYorkshire Water · YWS02185 · River Don
- CautionMonitor offlineNorthumbrian Water · NWL01087 · River Don
- WatchMonitor offlineYorkshire Water · YWS02089 · River Don
Recent spill events· last 7 days · 16
- 2026-08-04 23:04 UTCNorthumbrian Water · NWL01418 · River Don4 min
- 2026-08-04 19:18 UTCYorkshire Water · YWS01379 · River Don23 min
- 2026-08-04 19:18 UTCYorkshire Water · YWS00653 · River Don9 min
- 2026-08-04 19:09 UTCYorkshire Water · YWS00653 · River Donongoing
- 2026-08-04 19:04 UTCYorkshire Water · YWS00695 · River Don11 min
- 2026-08-04 19:03 UTCYorkshire Water · YWS02185 · River Don5 min
- 2026-08-04 10:46 UTCNorthumbrian Water · NWL01238 · River Don1.2 h
- 2026-08-04 09:58 UTCNorthumbrian Water · NWL01419 · River Don2.1 h
- 2026-08-04 04:32 UTCNorthumbrian Water · NWL01238 · River Don42 min
- 2026-08-04 03:42 UTCNorthumbrian Water · NWL01419 · River Don1.2 h
- 2026-08-03 14:50 UTCNorthumbrian Water · NWL01418 · River Don2 min
- 2026-08-02 15:24 UTCNorthumbrian Water · NWL01418 · River Don1 min
- 2026-08-02 12:13 UTCNorthumbrian Water · NWL01294 · River Don2 min
- 2026-08-02 03:50 UTCNorthumbrian Water · NWL01418 · River Don2 min
- 2026-07-31 00:30 UTCNorthumbrian Water · NWL01418 · River Don1 min
- 2026-07-30 16:34 UTCNorthumbrian Water · NWL01418 · River Don1 min