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
0
Spill events · 24 h
11
Open discrepancies
3
Monitors offline
7
WIMS sampling points
16
Hydrology stations
Spill record· last 12 months · across the river
577
spill events
+9517% vs prior 12m
35,046h
cumulative discharge
+1588886% vs prior 12m
7 weeks
longest single event (all time)
2021-07-07
first event on record
Truth Engine flags· 11 open
- CriticalExtended spill (>72 h)Yorkshire Water · YWS00088 · River Don
- CriticalExtended spill (>72 h)Yorkshire Water · YWS00947 · River Don (Tidal)
- CriticalExtended spill (>72 h)Yorkshire Water · YWS00864 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL00365 · River Don
- CriticalExtended spill (>72 h)Northumbrian Water · NWL01550 · River Don
- WarnDry-weather spillNorthumbrian Water · NWL00008 · River Don
- WarnDry-weather spillYorkshire Water · YWS01497 · River Don (Tidal) (Via Kirton Lane Storm Ps)
- WarnMonitor offlineNorthumbrian Water · NWL00365 · River Don
- CautionDry-weather spillYorkshire Water · YWS00088 · River Don
- CautionDry-weather spillNorthumbrian Water · NWL01418 · River Don
- WatchMonitor offlineYorkshire Water · YWS01931 · River Don
Recent spill events· last 7 days · 8
- 2026-06-18 15:26 UTCNorthumbrian Water · NWL01418 · River Don1 min
- 2026-06-18 02:01 UTCNorthumbrian Water · NWL00008 · River Don2 min
- 2026-06-17 09:54 UTCYorkshire Water · YWS00088 · River Don1 min
- 2026-06-17 06:46 UTCNorthumbrian Water · NWL01418 · River Don1 min
- 2026-06-17 03:21 UTCYorkshire Water · YWS01497 · River Don (Tidal) (Via Kirton Lane Storm Ps)1 min
- 2026-06-16 00:25 UTCYorkshire Water · YWS00088 · River Don2 min
- 2026-06-14 13:19 UTCYorkshire Water · YWS00088 · River Don2 min
- 2026-06-14 08:42 UTCNorthumbrian Water · NWL01418 · River Don1 min