Stockton West was polluted by sewage 1,211 times in 2024
lasting 8,183 hours
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Live data for Stockton West in 2025
So far this year (as of Apr 16, 2025, 6:30 PM) there has been 1,380 hours of sewage overflows
Totals for Stockton West in 2024
42 Sites polluted by Northumbrian Water
1,211 sewage dumps
8,183 h duration
That's 11.37 months. On average 3.3 times a day
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 Stockton West, 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 Stockton West 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 1 of the total 49 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River Tees CLOCKWOOD SEWAGE PUMPING STATION 118 1,198 100
Northumbrian Water Saltergill Beck, Tees Catchmet KIRKLEVINGTON SEWAGE TREATMENT WORK 59 772 100
Northumbrian Water Skytering Beck WORSALL ROAD PUMPING STATION 48 659 100
Northumbrian Water Lustrum Beck GRAYS ROAD CSO 68 644 95.2
Northumbrian Water River Tees MIDDLETON AIRPORT STORM TW 39 613 53.1
Northumbrian Water Whitton Beck CARLTON & REDMARSHALL STW 54 607 94
Northumbrian Water Tees STRESSHOLME STW 54 590 100
Northumbrian Water Longnewton Beck- LONG NEWTON SEWAGE TREATMENT WORKS 47 480 99.9
Northumbrian Water Whitton Beck BISHOPTON MILL PS 44 363 100
Northumbrian Water Tees Estuary SEWAGE PUMPING STATION AT SITE OF F 30 341 99.8
Northumbrian Water River Tees MIDDLETON ONE ROW CSO 50 291 98.8
Northumbrian Water Longnewton Beck LONGNEWTON CSO STO07 49 198 100
Northumbrian Water Tees Estuary EGGLESCLIFFE BANK CSO 79 153 99.7
Northumbrian Water Letch Beck CARLTON PUMPING STATION 24 149 100
Northumbrian Water River Tees AISLABY QUAY SPS 16 137 100
Northumbrian Water Bishopton Beck STILLINGTON OLD WORKS CSO ST004 42 134 100
Northumbrian Water Lustrum Beck OXBRIDGE LANE CSO 20 124 93.1
Northumbrian Water Lustrum Beck GRANGEFIELD ROAD SSO 33 110 99.7
Northumbrian Water Lustrum Beck LUSTRUM HIGH LEVEL CSO 34 90 94.8
Northumbrian Water Carcut Beck SADBERGE SEWAGE TREATMENT WORKS 33 87 100
Northumbrian Water Bishopton Beck BISHOPTON STW 30 85 95.1
Northumbrian Water Tees TEESBANK AVENUE CSO 37 79 92.3
Northumbrian Water Tees NEASHAM ROAD PUMPING STATION 19 52 100
Northumbrian Water Tees WEST STREET P STN SSO 14 49 99.9
Northumbrian Water Hartburn Beck SPRING WAY CSO ST021 32 33 96.8
Northumbrian Water Tees CSO AT GREEN LANE 27 28 96.7
Northumbrian Water Lustrum Beck GRAYS ROAD CSO 11 26 98.9
Northumbrian Water Tees CASTLETON WALK CSO 12 15 99.9
Northumbrian Water Greens Beck KILBURN ROAD CSO 7 14 98.4
Northumbrian Water River Tees ATLAS WYND SEWAGE PUMPING STATION 10 10 100
Northumbrian Water Carcut Beck REAR OF WELL HOUSE FARM CSO 15 9 95.7
Northumbrian Water Culverted W/C To Bishopton Bec SOUTH STREET CSO ST003 9 7 99.7
Northumbrian Water Bishopton Beck SUNDIAL PLACE CSO 10 4 100
Northumbrian Water Nelly Burdon'S Beck SEYMOUR CRESCENT CSO 11 3 100
Northumbrian Water Green'S Beck GREEN'S LANE CSO 5 2 100
Northumbrian Water River Tees HURWORTH PLACE SPS 5 1 99.7
Northumbrian Water Elm Tree Beck WOODBOROUGH LANE CSO 3 1 98.6
Northumbrian Water River Tees YARM BRIDGE CSO 4 1 100
Northumbrian Water Bumper Ha\Ll Beck SADBERGE SEWAGE PUMPING STATION 2 1 100
Northumbrian Water Hartburn Beck LEALHOME GROVE CSO 3 1 100
Northumbrian Water Brewsdale Beck HILTON PS 3 0 100
Northumbrian Water Culverted W/C To Bishopton Bec KIRK STREET CSO 1 0 95.5
Northumbrian Water River Tees YARM ROAD / MUIRFIELD ROAD CSO 0 0 99.8
Northumbrian Water Lustrum Beck CSO TO REAR OF 62 GRANGE AVE 0 0 99.8
Northumbrian Water Hartburn Beck ABATTOIR ST CSO 0 0 100
Northumbrian Water Tees Estuary PRESTON LANE CSO 0 0 99.6
Northumbrian Water Tees NEASHAM EJECTOR STATION SSO 0 0 91.6
Northumbrian Water Tees Estuary AISLABY ROAD PUMPING STATION 0 0 99.9
Northumbrian Water Tees TEESSIDE HIGH SCHOOL PS 0 0 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. 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.