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River Nidd polluted by sewage 1,082 times in 2023 - lasting 12,445 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Nidd in 2023
17 Sites polluted by Yorkshire Water
1,082 sewage dumps
12,445 h duration
That's 1.44 years! On average 3 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Nidd in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water River Nidd DARLEY SEWAGE TREATMENT WORKS 171 2,353 99.8
Yorkshire Water River Nidd PATELEY BRIDGE STW 129 2,331 73.35
Yorkshire Water River Nidd NORTH DEIGHTON STW 105 1,921 99.9
Yorkshire Water River Nidd DACRE SEWAGE PUMPING STATION 137 1,874 100
Yorkshire Water River Nidd KIRK HAMMERTON STW 91 762 99.9
Yorkshire Water River Nidd NUN MONKTON SEWAGE TREATMENT WORKS 66 613 100
Yorkshire Water River Nidd KNARESBOROUGH WPC WORKS 47 586 99.9
Yorkshire Water River Nidd GLASSHOUSES BRIDGE CSO 70 543 100
Yorkshire Water River Nidd CATTAL SEWAGE TREATMENT WORKS 41 484 99.9
Yorkshire Water River Nidd BIRSTWITH NO2 SPS 51 348 99.9
Yorkshire Water River Nidd MANSE LANE 57 CSO 75 279 100
Yorkshire Water River Nidd SHOW GROUND CSO 28 260 100
Yorkshire Water River Nidd SPITAL CROFT CSO 24 33 73.6
Yorkshire Water River Nidd ABBEY ROAD NO 2 CSO 15 23 85.1
Yorkshire Water River Nidd WATERSIDE 49 CSO 12 17 70.8
Yorkshire Water River Nidd MOOR MONKTON EAST SPS 5 6 100
Yorkshire Water River Nidd CRAGG TOP COMBINED SEWER OVERFLOW 15 5 99.3
Yorkshire Water River Nidd ABBEY MILL CSO 0 0 53.2
Yorkshire Water River Nidd VILLAGE GREEN CSO 0 0 99.9
Yorkshire Water River Nidd PROPOSED SSO NO 14 MANHOLE 0 0 81.3

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. This 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.