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Polluted by sewage 1,071 hours in 2025 , monitoring offline 2,775 hours , potential overflows 702 hours
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.
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| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Offline/Potential Pollution |
|---|---|---|---|---|---|
| Yorkshire Water | RED LION A58/CSO | Wyke Beck | 63 | 232 h 19m | - |
| Yorkshire Water | COMMON ROAD/CSO | Low Moor Beck | 9 | 179 h 19m | 424 h |
| Yorkshire Water | DALE FARM/NO 2 CSO | Ringshaw Beck | 51 | 163 h 3m | 173 h |
| Yorkshire Water | CARR HILL ROAD/CSO | High Royds Beck | 36 | 101 h 25m | - |
| Yorkshire Water | VICTORIA PARK/CSO | Low Moor Beck | 23 | 93 h 18m | - |
| Yorkshire Water | SHIBDEN HEAD/CSO | Shibden Brook | 33 | 86 h 37m | - |
| Yorkshire Water | STIRLING CRES/NO 1 CSO | Holme Beck | 13 | 76 h 28m | - |
| Yorkshire Water | SHETCLIFFE LANE/NO 2 CSO | High Royds Beck | 4 | 65 h 57m | 702 h |
| Yorkshire Water | CUTLER HEIGHTS/CSO | Holme Beck | 17 | 24 h 28m | - |
| Yorkshire Water | CLECKHEATON ROAD/CSO | Low Moor Beck | 7 | 16 h | - |
| Yorkshire Water | HILLCREST ROAD/NO 2 CSO | Shibden Brook | 10 | 11 h 54m | - |
| Yorkshire Water | BRACKENHILL PARK/NO 2 CSO | Horton Beck | 5 | 6 h 15m | - |
| Yorkshire Water | WEST SCHOLES/CSO | High Birks Beck | 7 | 5 h 2m | - |
| Yorkshire Water | SHIBDEN HEAD/CSO | Shibden Brook | 3 | 4 h 16m | 577 h |
| Yorkshire Water | HOLME LANE 313/CSO | Holme Beck | 4 | 3 h 24m | - |
| Yorkshire Water | NEW STREET/CSO | High Royds Beck | 6 | 1 h 38m | - |
| Yorkshire Water | ROOLEY AVENUE/CSO | Dean Beck | 0 | 0 h | - |
| Yorkshire Water | TYERSAL LANE/CSO | Holme Beck | 0 | 0 h | 1,600 h |
| Yorkshire Water | SMITH AVENUE/CSO | Low Moor Beck | 0 | 0 h | - |
| Yorkshire Water | UPPER PARK HOUSE/CSO | Low Moor Beck | 0 | 0 h | - |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org