Shrewsbury was polluted by sewage 1,457 times in 2024
lasting 7,922 hours
- but monitoring was disabled in some locations, so could be more

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Shrewsbury in 2025

So far this year (as of Apr 16, 2025, 6:30 PM) there has been 3,563 hours of sewage overflows

Totals for Shrewsbury in 2024

41 Sites polluted by Severn Trent Water

1,457 sewage dumps
7,922 h duration

That's 11 months. On average 4 times a day

Change Over Time

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Constituencies near Shrewsbury

Waterways in Shrewsbury

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Shrewsbury, 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 Shrewsbury 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 47 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 %
Severn Trent Water	River Severn	SHREWSBURY MONKMOOR STW	127	1,195	99.95
Severn Trent Water	Leaton Brook	BOMERE HEATH STW	72	1,081	59.1
Severn Trent Water	Rea Brook	PONTESBURY SEWAGE TREATMENT WORKS	101	975	99.1
Severn Trent Water	River Severn	VICTORIA AVENUE STORM SEWER OF	63	480	99.1
Severn Trent Water	River Severn	GREYFRIARS BRIDGE CSO	43	355	86.9
Severn Trent Water	River Severn	RIVERSIDE TOWPATH CSO	46	341	97.3
Severn Trent Water	Rea Brook	OLD COLEHAM 1 CSO	58	338	99.9
Severn Trent Water	Rea Brook	STORM O/F ADJ TO GROVE PUMPING STN	36	317	100
Severn Trent Water	River Severn	THE OVAL SEWAGE PUMPING STATION	42	312	49.8
Severn Trent Water	Rea Brook	WEIR RD SEWAGE PUMPING STATION	24	237	100
Severn Trent Water	Rea Brook	THE ROCKS COMBINED SEWER OVERFLOW	37	233	98.6
Severn Trent Water	Rea Brook	STATION ROAD CSO	58	232	99.1
Severn Trent Water	River Severn	CHARTER LANE O/F	23	182	44.6
Severn Trent Water	Rea Brook	HOOKAGATE PUMPING STATION	25	154	100
Severn Trent Water	River Severn	DANA STEPS CSO	47	145	78.3
Severn Trent Water	Rea Brook	OLD COLEHAM COMBINED SEWER OVERFLOW	45	111	97.9
Severn Trent Water	River Severn	MADDOCKS BUILDING O/F	34	106	97.4
Severn Trent Water	Rea Brook	CARADOC VIEW PUMPING STATION	28	101	100
Severn Trent Water	River Severn	MARDOL CSO	10	98	100
Severn Trent Water	River Severn	BURTON STREET CSO	22	85	51.6
Severn Trent Water	Bagley Brook	CASTLE FOREGATE STREET CSO	63	79	55.5
Severn Trent Water	River Severn	CLIVE ROAD COMBINED SEWER OVERFLOW	57	79	94.8
Severn Trent Water	Bicton Brook	CALCOTT PUMPING STATION (SPS)	10	72	100
Severn Trent Water	River Severn	DITHERINGTON ROAD CSO	53	68	93.1
Severn Trent Water	River Severn	THORNHILL ROAD CSO	12	66	43.6
Severn Trent Water	River Severn	VICTORIA AVE / CRESCENT LN CSO	27	59	83.8
Severn Trent Water	River Severn	QUARRY PARK STORM SEWER OVERFLOW	24	57	89.9
Severn Trent Water	Rea Brook	ABBEY FOREGATE CSO	49	51	100
Severn Trent Water	Rea Brook	SHARP STONES LANE CSO	32	50	100
Severn Trent Water	River Severn	CSO AT LONGDEN COLEHAM PS	24	42	99
Severn Trent Water	River Severn	PORT HILL COMBINED SEWER OVERFLOW	37	42	95.8
Severn Trent Water	River Severn	ST AUSTINS STREET STORM OVERFLOW	8	41	100
Severn Trent Water	River Severn	NEW PARK FARM CSO	31	31	100
Severn Trent Water	River Severn	SMITHFIELD RD STORM O/F	11	23	92.1
Severn Trent Water	River Severn	COTON HILL CSO	18	20	48.7
Severn Trent Water	Rea Brook	10 SUTTON ROAD CSO	21	19	99.2
Severn Trent Water	River Severn	BRIDGE STREET CSO	23	16	100
Severn Trent Water	River Severn	UNDERDALE ROAD CSO	5	6	100
Severn Trent Water	River Severn	WHITE HORSE PASSAGE CSO	7	2	100
Severn Trent Water	Rea Brook	BROOK ROAD / ABBEY FORGATE CSO	1	1	100
Severn Trent Water	River Severn	NEW STREET (STORM OVERFLOW)	3	0	100
Severn Trent Water	River Severn	SHREWSBURY FLOOD DEFENCE SPS	0	0	100
Severn Trent Water	Rea Brook	THE COLUMN COMBINED SEWER OVERFLOW	0	0	100
Severn Trent Water	River Severn	49 UNDERDALE RD O/F	0	0	100
Severn Trent Water	River Severn	ADJACENT TO RADBROOK CSO	0	0	85.9
Severn Trent Water	Hills Brook	PARRS LANE	0	0	95.7
Severn Trent Water	River Severn	ST MARYS WATER LANE ST O/F	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.

Analysing sewage pollution by the Water Industry

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