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Storm overflows by constituency, 2025
One row per constituency: overflows, discharges and hours, with the sitting MP. Each overflow is counted in the constituency of its nearest postcode.
Download CSVEvery storm overflow, 2025
One row per monitored overflow: company, site, receiving water, discharges, hours, monitor uptime, location and constituency.
Download CSVRail stations, 2024-25
One row per station: journeys, season ticket journeys, the busiest journey made from it, operator, location and constituency.
Download CSVSources and licence
Storm overflow figures are the Environment Agency's Event Duration Monitoring annual returns. Station usage is the Office of Rail and Road's Estimates of Station Usage, and station locations are the Department for Transport's NaPTAN. Constituencies come from postcodes.io. All contain public sector information licensed under the Open Government Licence v3.0 ↗. Please credit the original source, and CitizenTech for the joining.