Rawmarsh and Conisbrough

Polluted by sewage 1,041 times in 2024 lasting 8,050 hours

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✔ means we have experimental daily data since 2023

Live data for Rawmarsh and Conisbrough in 2025

So far this year (as of Apr 30, 2025, 9:00 AM) 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 hours duration

That's 11.18 months. On average 2.9 times a day

Change Over Time

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Constituencies near Rawmarsh and Conisbrough

Waterways in Rawmarsh and Conisbrough

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.

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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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year

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.

Analysing sewage pollution by the Water Industry

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

Rawmarsh and Conisbrough