Featured river · thames
River Thames
215 miles through Gloucestershire, Oxfordshire, Berkshire, and London. The most-monitored river in England.
123
Storm overflows
0
Active right now
0
Spill events · 24 h
8
Open discrepancies
3
Monitors offline
176
WIMS sampling points
53
Hydrology stations
Spill record· last 12 months · across the river
773
spill events
+2316% vs prior 12m
561h
cumulative discharge
+372% vs prior 12m
5 days
longest single event (all time)
2021-10-21
first event on record
Truth Engine flags· 8 open
- WarnDry-weather spillAnglian Water · AWS01168 · Thames Estuary
- WarnDry-weather spillAnglian Water · AWS01166 · THAMES ESTUARY
- WarnDry-weather spillAnglian Water · AWS01169 · THAMES ESTUARY
- WarnMonitor offlineThames Water · TWL00575 · River Thames
- WarnMonitor offlineThames Water · TWL00360 · River Thames
- CautionMonitor offlineAnglian Water · AWS01168 · Thames Estuary
- CautionDry-weather spillThames Water · TWL00029 · River Thames
- WatchDry-weather spillAnglian Water · AWS01275 · STANFORD CREEK: TIDAL R.THAMES
Recent spill events· last 7 days · 5
- 2026-09-15 21:45 UTCAnglian Water · AWS01168 · Thames Estuary2 min
- 2026-09-15 19:34 UTCAnglian Water · AWS01166 · THAMES ESTUARY5 min
- 2026-09-15 09:44 UTCAnglian Water · AWS01169 · THAMES ESTUARY4 min
- 2026-09-13 14:40 UTCThames Water · TWL00029 · River Thamesongoing
- 2026-09-13 12:05 UTCAnglian Water · AWS01275 · STANFORD CREEK: TIDAL R.THAMES4 min