Thames Water Region
Discharge Rankings
Every Thames Water CSO ranked by total discharge hours. Data back to 2022.
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Known issue: site list capped at 500
Rankings cannot currently display beyond 500 sites. We are actively working on a fix. In the meantime, if you need information on a specific site please email us at hello@water-watch.co.uk.
Time period
Showing: Last 30 days
Sites
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Discharge hours
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Discharging now
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Period
Last 30 days
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Source: Thames Water EDM · Data from 2022