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York Outer

Polluted by sewage 673 times in 2025 lasting 5,566 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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Live data for York Outer in 2026

So far this year (as of 18 May 2026, 12:00) there has been 2,753 hours of sewage overflows, from 26 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for York Outer in 2025

23 Sites polluted by Yorkshire Water
673 sewage dumps
5,566 hours duration
That's 7.73 months. On average 1.8 times a day

Change Over Time

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Waterways in York Outer

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Pollution Summary 2025

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

Reporting refers to how much of the time the monitoring was active. In this constituency all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Derwent KEXBY SEWAGE TREATMENT WORKS 89 1,197 99.1
Yorkshire Water Elvington Beck ELVINGTON BECK SPS 58 840 100
Yorkshire Water Foss Dike ASKHAM BRYAN STW 79 750 100
Yorkshire Water River Foss STRENSALL SPS 52 563 100
Yorkshire Water River Ouse NABURN YORK ROAD SPS 33 431 100
Yorkshire Water River Ouse/Rawcliffe Ings Dr RAWCLIFFE (YORK) STW 34 334 100
Yorkshire Water River Ouse RIVERSIDE GARDENS SPS 62 306 100
Yorkshire Water River Foss HAXBY STORM TANKS 29 232 100
Yorkshire Water River Ouse TADCASTER ROAD CSO & BISHOPTHORPE 16 133 98.2
Yorkshire Water Ditch WHELDRAKE SPS 21 114 100
Yorkshire Water River Foss OLD EARSWICK SPS 20 100 100
Yorkshire Water River Foss MILL HILL SEWAGE PUMPING STATION 21 97 100
Yorkshire Water Smawith Dike RUFFORTH STW 6 77 100
Yorkshire Water Germany Beck FULFORD MAIN CSO 46 72 97.6
Yorkshire Water River Ouse LOWER POPPLETON LANE SPS 23 66 99.8
Yorkshire Water River Ouse MILLFIELD LANE CSO 29 62 100
Yorkshire Water Holgate Beck MAYFIELD GROVE CSO 19 44 100
Yorkshire Water Germany Beck HESLINGTON MAIN STREET SPS 12 33 100
Yorkshire Water River Foss MEADOW FIELD CSO 5 25 100
Yorkshire Water Unknown Beck FAIRFIELD SEWAGE PUMPING STATION 2 24 100
Yorkshire Water Blue Beck, Ouse SHIPTON ROAD SEWAGE PUMPING STATION 5 20 100
Yorkshire Water Burtree Dam BRECKSFIELD NO 2 CSO 6 19 55.4
Yorkshire Water New Dike HESSAY MAIN STREET CSO 6 17 100
Yorkshire Water Town Ings Drain COPMANTHORPE SEWAGE PUMPING STATION 0 0 100
Yorkshire Water Holgate Beck NORTH LANE SPS 0 0 100
Yorkshire Water River Ouse RAWCLIFFE SPS 0 0 99.9

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

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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Analysing sewage pollution by the Water Industry

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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis ยฉ 2025 Top-Of-The-Poops

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