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. 27 monitors are offline. In the last 30 days the network has discharged a cumulative 3 weeks across 92 events on average. The Truth Engine has 33 open flags against them right now.
577
Storm overflows
0
Active right now
27
Monitors offline
33
Open flags
23
Spills · last 7 days
3 weeks
Cumulative discharge · 30 days
2.4 h
Avg event length · 30 days
1
Spills · last 24 hours
1,451
spill events
+1427% vs prior 12m
6,888h
cumulative discharge
+2445% 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 0.9h per monitored overflow in the last 30 days. The national median was 2.4h 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.