Polluted by sewage 2,709 hours in 2025
Your local MP is Luke Myer (Labour) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Middlesbrough South and East Cleveland, 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.
We managed to raise £150 in 2024. That's not enough to keep the site running. Please consider a one-off or small recurring donation.
Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Northumbrian Water | MOORSHOLM SEWAGE TREATMENT WORKS | Hagg Beck | 32 | 378 h 40m | 15.75 |
| Northumbrian Water | THE CARRS TILERY LANE CSO | Little Beck | 24 | 352 h 12m | 14.67 |
| Northumbrian Water | TUDOR CROFT COTTAGE CSO L017 | Hutton Beck | 20 | 171 h 10m | 7.12 |
| Northumbrian Water | SKINNINGROVE SEWAGE PUMPING STATION 1 | North Sea | 23 | 168 h 14m | 7 |
| Northumbrian Water | Unknown | Unknown | 56 | 166 h 8m | 6.92 |
| Northumbrian Water | Unknown | Unknown | 26 | 162 h 34m | 6.75 |
| Northumbrian Water | Unknown | Unknown | 34 | 129 h 19m | 5.38 |
| Northumbrian Water | Unknown | Unknown | 35 | 123 h 2m | 5.12 |
| Northumbrian Water | CSO SKELTON (SALTBURN LANE) | Saltburn Gill | 15 | 120 h 5m | 5 |
| Northumbrian Water | Unknown | Unknown | 10 | 92 h 38m | 3.83 |
| Northumbrian Water | Unknown | Unknown | 20 | 88 h 43m | 3.67 |
| Northumbrian Water | Unknown | Unknown | 8 | 83 h 34m | 3.46 |
| Northumbrian Water | DOWNE STREET SPS CSO | Whitecliff Beck | 11 | 69 h 29m | 2.88 |
| Northumbrian Water | Unknown | Unknown | 5 | 60 h 39m | 2.5 |
| Northumbrian Water | NUNTHORPE NO 1 SPS | Marton West Beck | 6 | 56 h 37m | 2.33 |
| Northumbrian Water | Unknown | Unknown | 15 | 48 h 47m | 2 |
| Northumbrian Water | MILL LANE CSO | Skinningrove Beck | 13 | 47 h 26m | 1.96 |
| Northumbrian Water | Unknown | Unknown | 8 | 36 h 47m | 1.5 |
| Northumbrian Water | Unknown | Unknown | 4 | 36 h 19m | 1.5 |
| Northumbrian Water | STATION HOTEL SPS | Loftus Beck | 8 | 35 h 34m | 1.46 |
| Northumbrian Water | Unknown | Unknown | 4 | 34 h 22m | 1.42 |
| Northumbrian Water | Unknown | Unknown | 14 | 31 h 16m | 1.29 |
| Northumbrian Water | GUISBOROUGH STORM WORKS | Chapel Beck - Howl Beck System | 5 | 30 h 3m | 1.25 |
| Northumbrian Water | BROTTON MILLHOLME DRIVE | Millholme Beck | 6 | 25 h 54m | 1.04 |
| Northumbrian Water | Unknown | Unknown | 6 | 23 h 48m | 0.96 |
| Northumbrian Water | LAYLAND BRIDGE PUMPING STATION | White Cross Beck | 8 | 19 h 58m | 0.79 |
| Northumbrian Water | Unknown | Unknown | 8 | 16 h 50m | 0.67 |
| Northumbrian Water | ATHERSTONE DRIVE CSO (L022) | Chapel Beck | 4 | 12 h | 0.5 |
| Northumbrian Water | SKINNINGROVE SEWAGE PUMPING STATION | North Sea | 2 | 10 h 40m | 0.42 |
| Northumbrian Water | FERNIE ROAD SSO | Chapel Beck | 2 | 9 h 32m | 0.38 |
| Northumbrian Water | Unknown | Unknown | 4 | 9 h 14m | 0.38 |
| Northumbrian Water | Unknown | Unknown | 10 | 9 h 2m | 0.38 |
| Northumbrian Water | STRANGHOW ROAD NO2 CSO | Holme Beck | 3 | 8 h 56m | 0.33 |
| Northumbrian Water | Unknown | Unknown | 5 | 8 h 13m | 0.33 |
| Northumbrian Water | Unknown | Unknown | 5 | 5 h 38m | 0.21 |
| Northumbrian Water | Unknown | Unknown | 3 | 5 h 14m | 0.21 |
| Northumbrian Water | RICHARD STREET PUMPING STATION | Holme Beck | 3 | 5 h 6m | 0.21 |
| Northumbrian Water | PARK LANE CSO | Chapel Beck | 3 | 4 h 14m | 0.17 |
| Northumbrian Water | BLANKNEY CLOSE CSO | Chapel Beck | 1 | 4 h 2m | 0.17 |
| Northumbrian Water | LIVERTON RAILWAY SPS | White Cliffe Beck | 1 | 1 h 45m | 0.04 |
| Northumbrian Water | Unknown | Unknown | 6 | 1 h 39m | 0.04 |
| Northumbrian Water | CHARLTON VILLAGE 1 SSO | Little Beck | 2 | 1 h 30m | 0.04 |
| Northumbrian Water | Unknown | Unknown | 3 | 0 h 50m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 30m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 21m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 14m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 10m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 8m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 4m | 0 |
| Northumbrian Water | KILTON MILL CSO | Kilton Beck | 1 | 0 h 1m | 0 |
| Northumbrian Water | HOBDALE HOUSE CSO | Boos Beck- Saltburn Bk | 0 | 0 h | 0 |
| Northumbrian Water | CSO IN TOLLESBY LANE | Marton West Beck | 0 | 0 h | 0 |
| Northumbrian Water | ST LEONARDS ROAD SSO | Hutton Beck | 0 | 0 h | 0 |
| Northumbrian Water | LAYLAND BRIDGE CSO | White Cross Beck | 0 | 0 h | 0 |
| Northumbrian Water | COTTAGE HOSPITAL CSO | Unnamed Pond | 0 | 0 h | 0 |
| Northumbrian Water | PRISSICK SSO | Ormesby Beck | 0 | 0 h | 0 |
| Northumbrian Water | TOLLESBY MANOR SPS & CSO | Marton West Beck | 0 | 0 h | 0 |
| Northumbrian Water | ZETLAND ROW CSO | Skinningrove Beck | 0 | 0 h | 0 |
| Northumbrian Water | CSO IN GUNNERGATE LANE | Marton West Beck | 0 | 0 h | 0 |
| Northumbrian Water | CSO 1 MARTON AVENUE | Ormesby Beck | 0 | 0 h | 0 |
| Northumbrian Water | SKINNINGROVE SEWAGE PUMPING STATION 2 | North Sea | 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.