Water company · Thames basin
Currently spilling
Serves 15 million people across London and the Thames basin. Major rivers: Thames, Lee, Wey, Mole, Wandle.
Thames Water operates 577 monitored storm overflows. 1 is currently spilling. 23 monitors are offline. In the last 30 days the network has discharged a cumulative 1.6 years across 72 events on average. The Truth Engine has 50 open flags against them right now.
577
Storm overflows
1
Active right now
23
Monitors offline
50
Open flags
18
Spills · last 7 days
1.6 years
Cumulative discharge · 30 days
31.7 h
Avg event length · 30 days
2
Spills · last 24 hours
952
spill events
+1388% vs prior 12m
20,477h
cumulative discharge
+11014% vs prior 12m
8 weeks
longest single event (all time)
2023-01-16
first event on record
Across 10 water companies in the EA dataset, Thames Water averaged 23.5h per monitored overflow in the last 30 days. The national median was 107.5h per overflow. ranked 2 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.