Harrogate and Knaresborough was polluted by sewage 1,339 times in 2024
lasting 5,109 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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✔ means we have experimental daily data since 2023
Totals for Harrogate and Knaresborough in 2024
36 Sites polluted by Yorkshire Water
1,339 sewage dumps
5,109 h duration
That's 7.1 months. On average 3.7 times a day
Change Over Time
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Constituencies near Harrogate and Knaresborough

Pollution Summary 2024

Here are all the reported sewage overflow totals for Harrogate and Knaresborough in 2024. 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 0 of the total 41 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water Oak Beck HARROGATE NORTH SEWAGE TREATMENT 122 876 100
Yorkshire Water Nidd And S KILLINGHALL/HAMPSTHWAITE/KETTLESING 120 617 96.25
Yorkshire Water Oak Beck And Coppice Beck HARROGATE HYDRO CSOS 361 615 90.99
Yorkshire Water River Nidd KNARESBOROUGH WPC WORKS 49 448 100
Yorkshire Water Hookstone Beck CSO-HARROGATE STRAY 43 327 99.9
Yorkshire Water Crimple Beck CRIMPLE LANE CSO 56 324 96.2
Yorkshire Water Rud Beck SHERWOOD DRIVE CSO 60 288 100
Yorkshire Water River Nidd MANSE LANE 57 CSO 56 236 96.4
Yorkshire Water River Nidd SPITAL CROFT CSO 26 167 93.7
Yorkshire Water Hookstone Beck HOOKSTONE ROAD CSO 28 150 100
Yorkshire Water Mill Stream WATERSIDE 48 CSO 43 138 78.4
Yorkshire Water Crimple Beck FULWITHMILL FARM N0 2 CSO 29 136 99.9
Yorkshire Water River Crimple Via Sewer CSO ADJ TO STATION BRIDGE 30 113 100
Yorkshire Water Crimple Beck ALMSFORD AVENUE CSO 42 111 99.9
Yorkshire Water Jumwell Beck LOW MOOR LANE SPS 13 82 100
Yorkshire Water Crimple Beck Or River Crimple BLACK SWAN CSO 25 74 76.9
Yorkshire Water Bilton Beck BILTON LANE COMBINED SEWER OVERFLOW 32 67 97
Yorkshire Water Oak Beck OAKDALE AVENUE CSO 24 64 92.6
Yorkshire Water Nidd KILLINGHALL NO 2 CSO 19 62 100
Yorkshire Water Mill Stream WATERSIDE 47 CSO 23 46 99.7
Yorkshire Water River Nidd WATERSIDE 49 CSO 17 27 99.5
Yorkshire Water Oak Beck OAKDALE HARROGATE CSO 6 27 95.4
Yorkshire Water Culverted Star Beck FOREST LANE CSO 18 26 100
Yorkshire Water River Nidd ABBEY ROAD NO 2 CSO 20 25 99.7
Yorkshire Water Rud Beck Via A Public Sewer WEDDERBURN SCHOOL CSO 11 12 92.2
Yorkshire Water Tanner Beck SSO AT STAVELEY 1 10 10.6
Yorkshire Water Oak Beck Via A Public Sewer 109 SKIPTON ROAD CSO 11 6 100
Yorkshire Water River Nidd CRAGG TOP COMBINED SEWER OVERFLOW 13 5 98.3
Yorkshire Water Oak Beck Via Public Sewer UNITY GROVE CSO 8 3 87.4
Yorkshire Water Clvrt Bilton Beck HAMBLETON ROAD CSO 2 3 21.7
Yorkshire Water Oak Beck Via Public Sewer 35 SKIPTON ROAD CSO 7 3 99.8
Yorkshire Water Frogmire Dyke BOROUGHBRIDGE ROAD CSO 10 3 99.6
Yorkshire Water Rud Beck Via Public Sewer HOOKSTONE GRANGE WAY CSO 6 3 96.3
Yorkshire Water Oak Beck Via A Public Sewer 33 SKIPTON ROAD CSO 6 2 43.9
Yorkshire Water Hoohstone Beck STRAY REIN CSO 1 0 99.9
Yorkshire Water Oak Beck Via A Public Sewer 83 SKIPTON ROAD CSO 1 0 100
Yorkshire Water River Nidd VILLAGE GREEN CSO 0 0 99.9
Yorkshire Water Culverted Rud Beck/Publicsewer HOOKSTONE DRIVE NO 2 CSO 0 0 100
Yorkshire Water New Cut SSO AT GOLDSBOROUGH 0 0 9.7
Yorkshire Water Rud Beck Via A Public Sewer GREENFIELDS ROAD NO3 CSO 0 0 99.9
Yorkshire Water River Nidd ABBEY MILL CSO 0 0 97

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.