River Wharfe polluted by sewage 1,476 times in 2025 - lasting 9,899 hours

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Totals for River Wharfe in 2025
34 Sites polluted by Yorkshire Water
1,476 sewage dumps
9,899 h duration
That's 1.15 years. On average 4 times a day
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Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Wharfe BEN RHYDDING (ILKLEY) WPC WORKS, ST 127 1,758 100
Yorkshire Water River Wharfe BURLEY/MENSTON (SHEFFIELD) STW 80 1,143 100
Yorkshire Water River Wharfe POOL WPC WORKS 92 1,080 100
Yorkshire Water River Wharfe ILKLEY SEWAGE TREATMENT WORKS 136 1,025 97
Yorkshire Water River Wharfe WEETON SEWAGE TREATMENT WORKS 92 836 100
Yorkshire Water River Wharfe WYVIL CRESCENT CSO 80 594 100
Yorkshire Water River Wharfe ADDINGHAM PUMPING STATION 69 431 100
Yorkshire Water River Wharfe OTLEY SEWAGE TREATMENT WORKS 42 367 100
Yorkshire Water River Wharfe WETHERBY SEWAGE TREATMENT WORKS 50 363 100
Yorkshire Water River Wharfe KEARBY SEWAGE TREATMENT WORKS 35 304 100
Yorkshire Water River Wharfe WHEATLEY LANE 2 CSO 49 255 100
Yorkshire Water River Wharfe MIDDLETON (ILKLEY) PUMPING STATION 24 214 100
Yorkshire Water River Wharfe BRITANNIA INN CSO 39 200 100
Yorkshire Water River Wharfe KETTLEWELL STW 90 161 100
Yorkshire Water River Wharfe BURNSALL CAR PARK SPS 27 135 100
Yorkshire Water River Wharfe BILLAMS HILL SSO 49 132 99.9
Yorkshire Water River Wharfe BEAMSLEY WASTEWATER TREATMENT WORKS 120 118 100
Yorkshire Water River Wharfe TADCASTER BRITTANIA CSO 24 106 98.3
Yorkshire Water River Wharfe TADCASTER WPC WORKS 11 105 100
Yorkshire Water River Wharfe TADCASTER WEST CSO 42 99 100
Yorkshire Water River Wharfe CHURCH LANE SEWAGE PUMPING STATION 19 71 96.9
Yorkshire Water River Wharfe EBOR WAY CSO 26 69 100
Yorkshire Water River Wharfe GRASSINGTON SEWAGE TREATMENT WORKS 29 55 100
Yorkshire Water River Wharfe ILKLEY ROAD 28 52 100
Yorkshire Water River Wharfe SSO 250 METRES DOWNSTREAM 20 48 100
Yorkshire Water River Wharfe ARTHINGTON LANE CSO 20 41 100
Yorkshire Water River Wharfe BURLEY LODGE CSO 12 38 100
Yorkshire Water River Wharfe BOLTON BRIDGE SPS 5 23 98.4
Yorkshire Water River Wharfe BRIDGE STREET SSO 11 23 67.9
Yorkshire Water River Wharfe SCOTT LANE CSO 20 22 98.3
Yorkshire Water River Wharfe WATTLE SYKE CSO 1 10 81.8
Yorkshire Water River Wharfe WETHERBY BYPASS CSO 4 7 97.1
Yorkshire Water River Wharfe HEBDEN WASTEWATER TREATMENT WORKS 2 2 100
Yorkshire Water River Wharfe WEATHERBY HIGH STREET CSO 1 0 98.3
Yorkshire Water River Wharfe LEEDS ROAD ILKLEY NO2 CSO 0 0 100
Yorkshire Water River Wharfe WYVILL ROAD CSO 0 0 100

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.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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