Harrogate and Knaresborough - Live Sewage

Polluted by sewage 3,132 hours in 2026 , monitoring offline 52,329 hours , potential overflows 52 hours so far..

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

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Harrogate and Knaresborough so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Totals for Harrogate and Knaresborough in 2026

Sewage3,132 hours
Monitoring offline52,329 hours
Potential pollution52 hours
Storm overflows57

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Constituencies near Harrogate and Knaresborough

Daily Data

Jan - 1,052 hours , 5,328 offline
Feb - 1,355 hours , 5,893 offline
Mar - 390 hours , 52 potential
Apr - 20 hours , 5,838 offline
May - 83 hours , 4,742 offline
Jun - 0 hours , 4,735 offline
Jul - 0 hours , 5,208 offline
Aug - 69 hours , 5,208 offline
Sept - 1 hours , 5,094 offline
Oct - 157 hours , 4,270 offline
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Yorkshire Water STAVELEY QUARRY/NO 2 CSO Tanner Beck 38 543h 10m -
Yorkshire Water HARROGATE NORTH/STW/3XDWF OVERFLOW Oak Beck 37 380h 16m -
Yorkshire Water KNARESBOROUGH/STW River Nidd 28 353h 18m -
Yorkshire Water ALMSFORD AVENUE/CSO Crimple Beck 23 291h 53m 52 h
Yorkshire Water THE GRANARY/CSO Nidd And S 25 288h 20m 168 h
Yorkshire Water CRIMPLE LANE/NO 2 CSO Crimple Beck 35 215h 19m -
Yorkshire Water SHERWOOD DRIVE/CSO Rud Beck 30 165h 8m -
Yorkshire Water MANSE LANE 57/CSO River Nidd 35 129h 30m -
Yorkshire Water HOOKSTONE ROAD/CSO Hookstone Beck 16 123h 10m -
Yorkshire Water HOOKSTONE GRANGE WAY/CSO Rud Beck Via Public Sewer 6 92h 21m -
Yorkshire Water OAKDALE HARROGATE/CSO Oak Beck 9 71h 56m -
Yorkshire Water HARROGATE NORTH/STW/6XDWF OVERFLOW Oak Beck 18 58h 43m -
Yorkshire Water ST MARYS WALK XXX/CSO Oak Beck And Coppice Beck 30 56h 49m 7 h
Yorkshire Water STRAY ROAD/CSO Hookstone Beck 11 50h 34m 7 h
Yorkshire Water HOTEL MAJESTIC/CSO Oak Beck And Coppice Beck 14 31h 13m 8 h
Yorkshire Water WATERSIDE 47/CSO Mill Stream 17 24h 25m 1,008 h
Yorkshire Water BLACK SWAN/CSO Crimple Beck Or River Crimple 20 24h 20m 7 h
Yorkshire Water SKIPTON ROAD 33/CSO Oak Beck Via A Public Sewer 21 24h 3m 1,986 h
Yorkshire Water WATERSIDE 48/CSO Mill Stream 12 23h 3m 7 h
Yorkshire Water ST MARYS WALK 30/CSO Oak Beck And Coppice Beck 8 21h 46m 9 h
Yorkshire Water BILTON LANE BECK/CSO Bilton Beck 15 21h 22m -
Yorkshire Water ABBEY ROAD/NO 2 CSO River Nidd 5 19h 1m 32 h
Yorkshire Water KILLINGHALL/NO 2 CSO Nidd 6 15h 56m -
Yorkshire Water ALBERT STREET/CSO Oak Beck And Coppice Beck 13 15h 32m 9 h
Yorkshire Water ST MARYS WALK 29/CSO Oak Beck And Coppice Beck 14 14h 17m 97 h
Yorkshire Water PANNAL BRIDGE/CSO River Crimple Via Sewer 8 12h 1 h
Yorkshire Water STRAWBERRY DALE/CSO Oak Beck And Coppice Beck 12 10h 51m 9 h
Yorkshire Water HOOKSTONE DRIVE/NO 2 CSO Culverted Rud Beck/Publicsewer 4 9h 31m 8 h
Yorkshire Water WATERSIDE 49/CSO River Nidd 6 7h 57m 8 h
Yorkshire Water JENNY PLAIN BRIDGE/CSO Oak Beck And Coppice Beck 8 7h 8m 99 h
Yorkshire Water LOW MOOR LANE/CSO Jumwell Beck 3 6h 55m -
Yorkshire Water OAKDALE AVENUE/CSO Oak Beck 6 5h 44m 10 h
Yorkshire Water HYDE PARK ROAD/CSO Oak Beck And Coppice Beck 8 4h 21m -
Yorkshire Water GOLDSBOROUGH/CSO New Cut 1 3h 18m 0 h
Yorkshire Water ST MARYS WALK 7/CSO Oak Beck And Coppice Beck 5 2h 25m -
Yorkshire Water MONTPELLIER RD27/CSO Oak Beck And Coppice Beck 5 2h 16m -
Yorkshire Water HOLLINS CLOSE/CSO Nidd And S 3 1h 35m -
Yorkshire Water FOREST LANE/NO 2 CSO Culverted Star Beck 2 1h 10m 0 h
Yorkshire Water CHUDLEIGH ROAD/CSO Oak Beck And Coppice Beck 2 0h 30m -
Yorkshire Water SKIPTON ROAD 109/CSO Oak Beck Via A Public Sewer 2 0h 22m -
Yorkshire Water UNITY GROVE/CSO Oak Beck Via Public Sewer 1 0h 14m 3,158 h
Yorkshire Water CAMBRIDGE STREET/CSO Oak Beck And Coppice Beck 1 0h 14m -
Yorkshire Water CRAGG TOP/CSO River Nidd 1 0h 11m -
Yorkshire Water COLD BATH ROAD/CSO Oak Beck And Coppice Beck 1 0h 11m 685 h
Yorkshire Water BOROUGHBRIDGE ROAD/CSO Frogmire Dyke 1 0h 10m -
Yorkshire Water SPITAL CROFT/CSO River Nidd 1 0h 10m 436 h
Yorkshire Water ABBEY MILL/CSO River Nidd 0 0h 7,145 h
Yorkshire Water STRAY REIN/CSO Hoohstone Beck 0 0h 6,633 h
Yorkshire Water WEDDERBURN SCHOOL/CSO Rud Beck Via A Public Sewer 0 0h -
Yorkshire Water WEST PARK/CSO Oak Beck And Coppice Beck 0 0h -
Yorkshire Water SKIPTON ROAD 179/CSO Oak Beck Via Public Sewer 0 0h 7,145 h
Yorkshire Water SKIPTON ROAD 83/CSO Oak Beck Via A Public Sewer 0 0h 6,623 h
Yorkshire Water KINGS ROAD/CSO Oak Beck And Coppice Beck 0 0h 3,216 h
Yorkshire Water HAMBLETON ROAD/CSO Clvrt Bilton Beck 0 0h 15 h
Yorkshire Water GREENFIELDS ROAD/NO 3 CSO Rud Beck Via A Public Sewer 0 0h 6,633 h
Yorkshire Water FULWITHMILL FARM/NO 2 CSO Crimple Beck 0 0h -
Yorkshire Water VILLAGE GREEN/CSO River Nidd 0 0h 7,145 h

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.