Polluted by sewage 1,821 hours in 2025
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Washington and Gateshead South, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Northumbrian Water | Unknown | Unknown | 27 | 459 h 22m | 19.12 |
| Northumbrian Water | Unknown | Unknown | 12 | 228 h 30m | 9.5 |
| Northumbrian Water | FERRYBOAT LANE PUMPING STATION | River Wear | 16 | 226 h 54m | 9.42 |
| Northumbrian Water | Unknown | Unknown | 8 | 118 h 27m | 4.92 |
| Northumbrian Water | Unknown | Unknown | 12 | 100 h 58m | 4.17 |
| Northumbrian Water | BIRTLEY STW | Team | 10 | 72 h 24m | 3 |
| Northumbrian Water | NORTH HYLTON SPS | River Wear | 9 | 62 h 43m | 2.58 |
| Northumbrian Water | WASHINGTON STW | Wear | 7 | 61 h 25m | 2.54 |
| Northumbrian Water | STATION ROAD CSO | River Wear | 20 | 60 h 32m | 2.5 |
| Northumbrian Water | Unknown | Unknown | 4 | 55 h 54m | 2.29 |
| Northumbrian Water | Unknown | Unknown | 6 | 55 h 23m | 2.29 |
| Northumbrian Water | Unknown | Unknown | 10 | 48 h 20m | 2 |
| Northumbrian Water | Unknown | Unknown | 9 | 45 h 54m | 1.88 |
| Northumbrian Water | Unknown | Unknown | 35 | 44 h 18m | 1.83 |
| Northumbrian Water | Unknown | Unknown | 15 | 39 h 22m | 1.62 |
| Northumbrian Water | Unknown | Unknown | 6 | 35 h 53m | 1.46 |
| Northumbrian Water | BIRTLEY STW | Team | 7 | 25 h 12m | 1.04 |
| Northumbrian Water | LAMESLEY SSO | Team | 6 | 23 h 54m | 0.96 |
| Northumbrian Water | COACH ROAD EST CSO | Usworth Burn | 9 | 19 h 22m | 0.79 |
| Northumbrian Water | Unknown | Unknown | 2 | 7 h 19m | 0.29 |
| Northumbrian Water | Unknown | Unknown | 5 | 6 h 32m | 0.25 |
| Northumbrian Water | MANOR ROAD CSO | Don | 5 | 4 h 28m | 0.17 |
| Northumbrian Water | Unknown | Unknown | 2 | 2 h 49m | 0.08 |
| Northumbrian Water | CSO REAR 11 ST AUSTELL GARDENS | River Team | 1 | 2 h 32m | 0.08 |
| Northumbrian Water | BLACK LANE CSO | Longacre Burn | 4 | 2 h 14m | 0.08 |
| Northumbrian Water | WASHINGTON CSO DON GARDENS - NWL name | Culverted River Don | 2 | 1 h 46m | 0.04 |
| Northumbrian Water | Unknown | Unknown | 3 | 1 h 32m | 0.04 |
| Northumbrian Water | WASHINGTON STW | Wear | 1 | 1 h 13m | 0.04 |
| Northumbrian Water | Unknown | Unknown | 5 | 1 h 11m | 0.04 |
| Northumbrian Water | LANSBURY DRIVE CSO | River Team | 1 | 0 h 52m | 0 |
| Northumbrian Water | Unknown | Unknown | 10 | 0 h 47m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 44m | 0 |
| Northumbrian Water | KINGSMERE SPS | Rowletch Burn | 1 | 0 h 35m | 0 |
| Northumbrian Water | WOODFORD NO 22 STORM OVERFLOW | Team | 4 | 0 h 30m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 27m | 0 |
| Northumbrian Water | SMITHY LANE CSO | River Team | 2 | 0 h 24m | 0 |
| Northumbrian Water | STONY ROW CSO | Urpeth Burn | 1 | 0 h 24m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 13m | 0 |
| Northumbrian Water | STONEY LANE CSO | Oxclose Burn | 1 | 0 h 12m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 8m | 0 |
| Northumbrian Water | GRASSBANKS CSO | Don | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | J F KENNEDY ESTATE CSO | Willows Pond | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | SHERATON CSO | Don | 0 | 0 h | 0 |
| Northumbrian Water | FATFIELD CSO 3 | River Wear | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | PRINCESS ANNE PARK CSO | Oxclose Burn | 0 | 0 h | 0 |
| Northumbrian Water | DURHAM ROAD CSO | Rowletch Burn | 0 | 0 h | 0 |
| Northumbrian Water | LADY PARK PUMPING STATION | Team | 0 | 0 h | 0 |
| Northumbrian Water | CSO 200M WEST OF WALTON ROAD | Wear | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | WORMHILL TERRACE CSO | Biddick Burn | 0 | 0 h | 0 |
| Northumbrian Water | COX GREEN SPS | River Wear | 0 | 0 h | 0 |
| Northumbrian Water | USWORTH HALL CSO | Don, | 0 | 0 h | 0 |
| Northumbrian Water | WASHINGTON VILLAGE CEMETRY CSO | Willows Pond | 0 | 0 h | 0 |
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.