Darlington was polluted by sewage 247 times in 2024
lasting 736 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Darlington in 2025
So far this year (as of Apr 16, 2025, 5:45 PM) there has been 1,636 hours of sewage overflows
Totals for Darlington in 2024
23 Sites polluted by Northumbrian Water
247 sewage dumps
736 h duration
That's 1.02 months. 4.8 times a week, on average
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Darlington, 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
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Darlington in 2024. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 0 of the total 29 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River Skerne SOUTH PARK CSO DL035 40 237 99.7
Northumbrian Water Red House Beck, REDWORTH SEWAGE PUMPING STATION 40 139 99.1
Northumbrian Water River Skerne VICTORIA EMBANKMENT - POLAM LANE 18 84 99.8
Northumbrian Water River Skerne WHESSOE SPS 14 81 100
Northumbrian Water Skerne BEAUMONT HILL SSO 22 48 96.5
Northumbrian Water River Skerne NEASHAM ROAD CSO (Y5) 31 33 97.9
Northumbrian Water River Skerne DARLINGTON CROWN STREET NO 34 CSO 15 29 97.2
Northumbrian Water River Skerne YARM ROAD CSO (Y3) 19 15 99.9
Northumbrian Water West Beck SPRING COURT CSO DL006 5 15 85.9
Northumbrian Water Tees EDINBURGH DRIVE CSO 5 11 86.5
Northumbrian Water Cree Beck Tees Catchment GENEVA ROAD CSO 6 9 89.5
Northumbrian Water Cree Beck CREE BECK CSO 4 8 100
Northumbrian Water Skerne, HARROWGATE HILL SEWAGE PS 4 5 100
Northumbrian Water Cocker Beck DENE GROVE CSO 4 5 100
Northumbrian Water Dene Beck HEIGHINGTON CSO 6 3 99.9
Northumbrian Water Skerne GLADSTONE STREET (G1) 4 1 82.7
Northumbrian Water River Skerne VICTORIA ROAD CSO 1 1 96.2
Northumbrian Water River Skerne YARM ROAD CSO (Y2) 3 0 100
Northumbrian Water Skerne SOUTH PARK EAST CSO 2 0 90.7
Northumbrian Water River Skerne NEASHAM ROAD (Y4) CSO 1 0 100
Northumbrian Water River Skerne EASSON ROAD/DODDS STREET CSO 1 0 99.5
Northumbrian Water River Skerne REAR FORSTER ST/EASSON ROAD CSO 1 0 99.8
Northumbrian Water River Tees MAYFAIR ROAD CSO 1 0 100
Northumbrian Water River Skerne FORSTER STREET/EASSON ROAD CSO 0 0 100
Northumbrian Water Cocker Beck CSO AT WOODLAND ROAD 0 0 84.8
Northumbrian Water Tees BLACKWELL SCAR PS 0 0 99.9
Northumbrian Water River Skerne YARM ROAD CSO (Y6) 0 0 62.4
Northumbrian Water River Skerne ASKRIGG STREET COMBINED SEWER OVERF 0 0 97.5
Northumbrian Water River Skerne CSO YARM ROAD DL18 0 0 93.4

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. This 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.