Water company · Thames basin
Recent spills
Serves 15 million people across London and the Thames basin. Major rivers: Thames, Lee, Wey, Mole, Wandle.
Thames Water operates 577 monitored storm overflows. 22 monitors are offline. In the last 30 days the network has discharged a cumulative 28 weeks across 16 events on average. The Truth Engine has 28 open flags against them right now.
577
Storm overflows
0
Active right now
22
Monitors offline
28
Open flags
4
Spills · last 7 days
28 weeks
Cumulative discharge · 30 days
3 days
Avg event length · 30 days
0
Spills · last 24 hours
1,223
spill events
+1244% vs prior 12m
82,252h
cumulative discharge
+31038% vs prior 12m
12 weeks
longest single event (all time)
2023-01-16
first event on record
Across 10 water companies in the EA dataset, Thames Water averaged 8.2h per monitored overflow in the last 30 days. The national median was 23.4h per overflow. ranked 3 of 10 of UK water companies by 30-day spill hours per monitored overflow.
The 12 watercourses with the most Thames Water overflows discharging into them.