Environment Agency
England Bathing-season Storm Overflow Returns
Storm-overflow records for England's bathing season
Water-company returns to the Environment Agency on spill counts, duration, monitoring completeness, and explanations; summary tables from 2023 and a dataset guide from 2025.
“During the swimming season, where are overflow discharges most frequent—and where do monitoring gaps limit the comparison?”
Annual · newly cataloged nationally 2026-09-16
England · 2022–2025 · May–September each year
No-login ZIP / XLSX downloads
Open Government Licence v3.0
XLSX · ZIP · PDF guide
Open Government Licence v3.0
Retain “© Environment Agency copyright and/or database right 2025. All rights reserved.” Identify the data year and link the source and OGL v3.0.
Read the year's guide; check the May 1–September 30 window, monitoring completeness below 90%, and explanations for high counts. Counts and duration are not discharge volume, bacterial concentrations, or a live swimming-safety rating; data quality may differ by company and year.