Middlesbrough and Thornaby East - 2025 Sewage

Polluted by sewage 3,326 hours in 2025

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

Which Year?

Select Another Constituency

Select the constituency from the drop-down
✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Middlesbrough and Thornaby East for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

Take Action

Your local MP is Andy McDonald (Labour) - Find out more about their interests, donors, and voting at They Work For You

Share this page, post a message, and tell others about the huge problem of sewage pollution across the UK

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Middlesbrough and Thornaby East, 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.

Monitoring Online
Monitoring Offline
Polluting
Potentially Polluting
Unknown
We need your support!

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

Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Total Duration (days)
Northumbrian Water Unknown Unknown 50 1,000 h 40m 41.67
Northumbrian Water Unknown Unknown 45 597 h 51m 24.88
Northumbrian Water CARGO FLEET FOUL SEWAGE PUMPING STATION Ormsby Beck 30 437 h 13m 18.21
Northumbrian Water Unknown Unknown 41 328 h 12m 13.67
Northumbrian Water Unknown Unknown 45 160 h 29m 6.67
Northumbrian Water Unknown Unknown 20 70 h 45m 2.92
Northumbrian Water Unknown Unknown 20 56 h 25m 2.33
Northumbrian Water Unknown Unknown 23 54 h 45m 2.25
Northumbrian Water Unknown Unknown 13 42 h 6m 1.75
Northumbrian Water ACKLAM ROAD CSO Old River Tees 11 40 h 12m 1.67
Northumbrian Water Unknown Unknown 12 39 h 58m 1.62
Northumbrian Water Unknown Unknown 13 36 h 58m 1.5
Northumbrian Water CARGO FLEET FOUL SEWAGE PUMPING STATION Ormsby Beck 7 32 h 5m 1.33
Northumbrian Water Unknown Unknown 14 30 h 26m 1.25
Northumbrian Water SUN STREET CSO River Tees 7 29 h 32m 1.21
Northumbrian Water ACKLAM ROAD CSO Old River Tees 8 28 h 14m 1.17
Northumbrian Water LEVEN ROAD CSO Ormesby Beck 6 24 h 54m 1
Northumbrian Water PRIORY ROAD CSO Old River Tees 7 24 h 18m 1
Northumbrian Water Unknown Unknown 12 22 h 36m 0.92
Northumbrian Water NEWPORT ROAD CSO River Tees Estuary 10 22 h 20m 0.92
Northumbrian Water SUN STREET CSO River Tees 7 21 h 48m 0.88
Northumbrian Water CSO AT GREEN LANE Tees 10 21 h 12m 0.88
Northumbrian Water OLD RIVER TEES SPS Old River Tees 6 20 h 4m 0.83
Northumbrian Water Unknown Unknown 11 19 h 56m 0.79
Northumbrian Water Unknown Unknown 11 16 h 46m 0.67
Northumbrian Water CORNFIELD ROAD PUMPING STATION Tees Estuary 3 16 h 20m 0.67
Northumbrian Water Unknown Unknown 7 12 h 59m 0.5
Northumbrian Water Unknown Unknown 3 12 h 18m 0.5
Northumbrian Water STAINSBY ROAD CSO Old River Tees 3 11 h 48m 0.46
Northumbrian Water Unknown Unknown 5 11 h 39m 0.46
Northumbrian Water GROVE ROAD CSO M009 Ormesby Beck 4 10 h 24m 0.42
Northumbrian Water VULCAN STREET PUMP STN River Tees 3 10 h 10m 0.42
Northumbrian Water Unknown Unknown 7 8 h 46m 0.33
Northumbrian Water ACKLAM ROAD CSO Old River Tees 5 8 h 20m 0.33
Northumbrian Water Unknown Unknown 10 7 h 59m 0.29
Northumbrian Water Unknown Unknown 7 5 h 50m 0.21
Northumbrian Water SNOWDON ROAD PS River Tees 4 4 h 31m 0.17
Northumbrian Water VERONICA STREET CSO Ormesby Beck 5 4 h 2m 0.17
Northumbrian Water Unknown Unknown 6 3 h 6m 0.12
Northumbrian Water STATION STREET CSO Tees Estuary 5 2 h 58m 0.08
Northumbrian Water Unknown Unknown 8 2 h 56m 0.08
Northumbrian Water Unknown Unknown 1 1 h 45m 0.04
Northumbrian Water THORNTON STREET PS Middle Beck 5 1 h 42m 0.04
Northumbrian Water Unknown Unknown 2 1 h 20m 0.04
Northumbrian Water JAMES STREET SSO Middle Beck 4 1 h 18m 0.04
Northumbrian Water DEEPDALE AVENUE NO2 CSO (M007) Marton West Beck 2 1 h 16m 0.04
Northumbrian Water Unknown Unknown 2 1 h 14m 0.04
Northumbrian Water Unknown Unknown 2 1 h 4m 0.04
Northumbrian Water TEDDER AVENUE SSO Stainsby Beck 1 0 h 46m 0
Northumbrian Water OAKFIELD ROAD CSO Ormesby Beck 3 0 h 40m 0
Northumbrian Water A66 RIDER SEWER CSO Old River Tees 2 0 h 36m 0
Northumbrian Water Unknown Unknown 1 0 h 28m 0
Northumbrian Water RAVENSCROFT AVE CSO Marton West Beck 1 0 h 6m 0
Northumbrian Water Unknown Unknown 0 0 h 0
Northumbrian Water ALLENSWAY CSO Stainsby Beck 0 0 h 0

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

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.