Forest of Dean was polluted by sewage 2,233 times in 2024
lasting 23,204 hours - that's 2.69 years!

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Forest of Dean in 2025

So far this year (as of Apr 16, 2025, 5:30 PM) there has been 4,123 hours of sewage overflows - that's 0.48 years!

Totals for Forest of Dean in 2024

34 Sites polluted by Dwr Cymru Welsh Water, Severn Trent Water

2,233 sewage dumps
23,204 h duration

That's 2.69 years! On average 6.1 times a day

Change Over Time

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Constituencies near Forest of Dean

Waterways in Forest of Dean

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Forest of Dean, 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 Forest of Dean 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 36 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 %
Severn Trent Water	River Severn	BLAKENEY SEWAGE TREATMENT WORKS	338	3,852	96.23
Severn Trent Water	Glynch Brook	PITTS MILL SEWAGE TREATMENT WORKS	179	3,459	93.8
Dwr Cymru Welsh Water	Wye Estuary	ST BRIAVELS SEWAGE TREATMENT WORKS	195	1,998	99.4
Severn Trent Water	River Lyd	EAST MARSH SEWAGE PUMPING STATION	126	1,877	100
Severn Trent Water	River Severn Estuary	LYDNEY SEWAGE TREATMENT WORKS	196	1,847	94.5
Severn Trent Water	Cone Brook	ALVINGTON PUMPING STATION	85	1,217	100
Severn Trent Water	Longhope Brook	LONGHOPE STW	97	1,159	91.2
Dwr Cymru Welsh Water	River Wye	NEWLAND SEWAGE TREATMENT WORKS	140	1,103	98.8
Dwr Cymru Welsh Water	Of Lodgegrove Brook	RUARDEAN STW	75	936	98.5
Dwr Cymru Welsh Water	River Wye	JOYFORD MILL PUMPING STATION	52	816	99.8
Severn Trent Water	Cinderford Brook	CINDERFORD CRUMP MEADOW STW	73	678	88.7
Severn Trent Water	Plummers Brook	OLDCROFT - OLD DAM ROAD SPS	41	634	99.6
Severn Trent Water	River Severn	BROADOAK SEWAGE TREATMENT WORKS	88	619	100
Severn Trent Water	Westbury Brook	CHURCH WESTBURY CSO	49	568	97.8
Dwr Cymru Welsh Water	River Wye	SEDBURY SEWAGE PUMPING STATION	78	476	99.8
Dwr Cymru Welsh Water	River Wye	LYDBROOK SEWAGE TREATMENT WORKS SSO	46	418	99.8
Severn Trent Water	Colliers Brook	WATERSMEET SPS	32	400	100
Severn Trent Water	River Lyd	LYDNEY - CHURCH ROAD CSO	85	367	92.9
Severn Trent Water	Ell Brook	NEWENT SEWAGE TREATMENT WORKS	33	203	100
Severn Trent Water	Cinderford Brook	LORRY PARK STORM OVERFLOW	39	156	100
Severn Trent Water	River Leadon	ORCHARD WAY CSO	37	105	99.5
Severn Trent Water	Cinderford Brook	RAILWAY ROAD CSO	14	55	89.4
Severn Trent Water	River Severn	BROADOAK SEWAGE PUMPING STATION	6	55	98.9
Dwr Cymru Welsh Water	River Wye	GREAT HOUGHBROOK PS ADJACENT TO FOR	5	52	10.6
Severn Trent Water	River Roden	TUTNALLS STREET - HAMS ROAD CSO	24	29	98.9
Dwr Cymru Welsh Water	River Wye	WYEBANK RD CSO	32	25	99.1
Dwr Cymru Welsh Water	Cannop Brook	CANNOP ROAD SEWAGE PUMPING STATION	9	23	89.4
Severn Trent Water	River Leadon	DYMOCK STW	11	22	100
Severn Trent Water	Ell Brook	CLEEVE MILL LANE CSO	12	14	99.9
Severn Trent Water	River Severn	NEWNHAM PUMPING STATION	23	13	92.8
Severn Trent Water	Cinderford Brook	GREENWAY ROAD CSO	1	6	100
Dwr Cymru Welsh Water	River Wye	LOWER LYDBROOK RIVER WYE CSO	5	2	99.2
Severn Trent Water	Peacocks Brook	NEWENT THE CROFT CSO	5	2	100
Severn Trent Water	Ley Brook	CHURCHAM SEWAGE TREATMENT WORKS	2	0	100
Severn Trent Water	Westbury Brook	LITTLEDEAN STW	0	0	88.3
Severn Trent Water	Dry Brook	ELLWOOD - HOLLY LANE SPS	0	0	100

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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