Rawmarsh and Conisbrough was polluted by sewage 1,041 times in 2024
lasting 8,050 hours

© OpenStreetMap contributors
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 Rawmarsh and Conisbrough in 2025
So far this year (as of Apr 16, 2025, 5:30 PM) there has been 89 hours of sewage overflows
Totals for Rawmarsh and Conisbrough in 2024
28 Sites polluted by Severn Trent Water, Yorkshire Water
1,041 sewage dumps
8,050 h duration
That's 11.18 months. On average 2.9 times a day
Change Over Time
Take Action
Your local MP is John Healey (Labour) - Find out more about their interests, donors, and voting at They Work For You

Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Rawmarsh and Conisbrough, 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 Rawmarsh and Conisbrough 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 33 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 %
Yorkshire Water Unnamed Of Harley Dyke WENTWORTH WWTW 191 3,552 99.9
Yorkshire Water River Don SWINTON SEWAGE TREATMENT WORKS 119 1,108 92.3
Yorkshire Water Hooton Brook RAVENFIELD VILLAGE STW 115 1,011 99.8
Yorkshire Water River Don ALDWARKE WWTW 43 425 96
Yorkshire Water Hooton Brook HOOTON ROBERTS STW 38 294 100
Yorkshire Water Clvrt Kilnhurst Cut LIME GROVE CSO 59 264 100
Yorkshire Water River Don DENABY SEWAGE TREATMENT WORKS 46 252 97.4
Yorkshire Water Harley Dike HARLEY STW 42 232 99.9
Severn Trent Water Warmsworth Beck WARMSWORTH WASTEWATER TREATMENT WKS 64 144 99.25
Severn Trent Water Hellaby Dyke RAVENFIELD COMMON PS/STM/EMERG OF 21 120 100
Yorkshire Water Sheff CARLISLE STREET CSO 43 104 90.3
Yorkshire Water Roundwood Brook RAWMARSH NO 2 CSO 16 91 100
Yorkshire Water Kearsley Brook KEARSLEY LNE/DAYLANDS AVE/HAMELINE 32 70 100
Yorkshire Water River Don FERRYBOAT LANE SEWAGE PUMPING STN 9 58 90.3
Yorkshire Water Kearsley Brook BURCROFT SEWAGE PUMPING STATION 20 51 100
Yorkshire Water Brook Dyke WATH BROOK DIKE CSO 26 37 100
Yorkshire Water Brook Dike WATH DONCASTER ROAD CSO 34 33 100
Yorkshire Water River Don SWINTON (KILNHURST-HOOTON RD) SPS 17 32 69.2
Yorkshire Water Harley Dike BARROWFIELD ROAD CSO 16 32 91.1
Yorkshire Water River Don NORTH CLIFF ROAD CSO 2 26 94.8
Yorkshire Water Parish Dyke STADIUM WAY CSO 10 23 100
Yorkshire Water Brook Dike WATH MOOR ROAD CSO 23 23 100
Yorkshire Water Knoll Beck PONTEFRACT ROAD CSO 15 21 99.9
Yorkshire Water Knoll Beck MOORBRIDGE ROAD CSO 10 18 99.8
Yorkshire Water Brook Dike MELTON GREEN CSO 9 6 99.9
Severn Trent Water Warmsworth Beck WARMSWORTH - COMMON LANE CSO 10 5 100
Yorkshire Water River Don GREYS BRIDGE CSO 3 3 96.6
Yorkshire Water Brook Dike Culverted WAT CHURCH STREET CSO 8 3 99.9
Yorkshire Water Brook Dike YORKSHIRE WATER SERVICES LTD 0 0 99.9
Yorkshire Water Brook Dike NEW HILL PARK CSO 0 0 100
Yorkshire Water Brook Dike WATH CEMETERY ROAD CSO 0 0 98.5
Yorkshire Water Brook Dike STUMP CROSS ROAD CSO 0 0 100
Yorkshire Water Brook Dike WATH WEST STREET CSO 0 0 99.3

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.