Harley Dike polluted by sewage 84 times in 2025 - lasting 279 hours

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Totals for Harley Dike in 2025
3 Sites polluted by Yorkshire Water
84 sewage dumps
279 h duration
That's 1.66 weeks. 1.6 times a week, on average
Places along Harley Dike

Pollution Summary 2025

Here are all the reported sewage overflow totals for Harley Dike in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water Harley Dike HARLEY STW 29 137 100
Yorkshire Water Harley Dike CLOUGHFIELDS ROAD NO 2 CSO 42 104 100
Yorkshire Water Harley Dike BARROWFIELD ROAD CSO 13 38 99.1

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

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