Mid Dorset and North Poole

Polluted by sewage 515 times in 2024 lasting 3,742 hours

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✔ means we have experimental daily data since 2023

Live data for Mid Dorset and North Poole in 2025

So far this year (as of Apr 30, 2025, 9:30 AM) there has been 1,090 hours of sewage overflows

Totals for Mid Dorset and North Poole in 2024

25 Sites polluted by Wessex Water

515 sewage dumps

3,742 hours duration

That's 5.2 months. On average 1.4 times a day

Change Over Time

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Constituencies near Mid Dorset and North Poole

Waterways in Mid Dorset and North Poole

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Mid Dorset and North Poole, 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 Mid Dorset and North Poole 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 %
Wessex Water	River Stour	WIMBORNE STW	72	1,092	100
Wessex Water	Sherford River	BULBURY LANE PUMPING STATION	64	704	100
Wessex Water	River Stour	CORFE MULLEN WWTW	55	506	100
Wessex Water	Lytchett Bay	LYTCHETT MINSTER STW	28	305	100
Wessex Water	River Frome	KINGS ARMS PS, STOBOROUGH	31	195	100
Wessex Water	Uddens Water	GAUNTS COMMON STW	15	145	100
Wessex Water	Lytchett Bay	MOORLAND WAY PUMPING STATION	31	142	100
Wessex Water	Uddens Water	HOLT SEWAGE TREATMENT WORKS	18	113	99.8
Wessex Water	Rushcombe Stream	RUSHCOMBE BOTTOM PUMPING STATION	31	90	99.8
Wessex Water	Tidal River Piddle	WAREHAM WASTEWATER TREATMENT WORKS	26	78	100
Wessex Water	River Stour	PARDY'S HILL PS	18	69	97.5
Wessex Water	Lytchett Bay	SANDY LANE PS	26	67	99.9
Wessex Water	Freshwater	WOOD LANE PS	24	65	100
Wessex Water	Uddens Water	PILFORD HEATH PUMPING STATION	26	51	99.6
Wessex Water	River Frome	STOBOROUGH RIDGE PUMPING STATION	10	39	100
Wessex Water	River Frome	SOUTH EAST PUMPING STATION	12	19	100
Wessex Water	River Stour	CANFORD MAIN PUMPING STATION	6	18	100
Wessex Water	River Stour	BROOK ROAD PUMPING STATION	4	10	100
Wessex Water	River Stour	FAIRVIEW PUMPING STATION	4	10	95.4
Wessex Water	River Frome	WAREHAM COMBINED SEWER OVERFLOW	5	6	100
Wessex Water	Sherford River	GLEBE ROAD PUMPING STATION	4	5	91.7
Wessex Water	River Piddle	SANDFORD LANE PUMPING STATION	1	1	100
Wessex Water	Hatch Pond Stream	CANFORD HEATH PUMPING STATION	1	1	100
Wessex Water	River Allen	POOLE ROAD PUMPING STATION	1	0	96.4
Wessex Water	Knighton Stream	PUMPING STATION AT MAGNA ROAD	2	0	99.8
Wessex Water	Sherford River	BLACKHEATH WWTW	0	0	99.7
Wessex Water	Poole Harbour	HOLTON HEATH WW PUMPING STATION	0	0	100
Wessex Water	River Piddle	WEST MILL CRESCENT PUMPING STATION	0	0	100
Wessex Water	Sherford River	COCK AND BOTTLE PUMPING STATION	0	0	98

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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Mid Dorset and North Poole Polluted by sewage 515 times in 2024 lasting 3,742 hours

Mid Dorset and North Poole