West Dorset was polluted by sewage 4,078 times in 2024
lasting 48,911 hours - that's 5.66 years!

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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 West Dorset in 2025
So far this year (as of Apr 11, 2025, 6:00 PM) there has been 13,325 hours of sewage overflows - that's 1.54 years!
Totals for West Dorset in 2024
73 Sites polluted by South West Water, Wessex Water
4,078 sewage dumps
48,911 h duration
That's 5.66 years! On average 11.2 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for West Dorset, 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 West Dorset 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 82 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 %
Wessex Water River Bride CHICKSBRIDGE PS 188 3,793 99.9
Wessex Water Sydling Water SYDLING ST.NICHOLAS WRC 159 3,521 99.7
Wessex Water River Yeo HALSTOCK WATER RECYCLING CENTRE 171 3,119 99.9
Wessex Water River Piddle PUMPING STN ADJACENT THE PIDDLE INN 137 3,090 100
Wessex Water South Winterbourne MARTINSTOWN PS 223 2,641 99.9
Wessex Water River Lydden BUCKLAND NEWTON WRC 160 2,581 100
Wessex Water River Piddle PUMPING STATION ADJACENT RIVENDELL 118 2,477 97.7
Wessex Water Abbotsbury Brook ABBOTSBURY WWTW 129 2,325 100
Wessex Water River Frome MAIDEN NEWTON WATER RECYCLING CENTR 106 1,935 97.8
Wessex Water River Bride PUNCKNOWLE WRC 100 1,441 100
Wessex Water Tadnoll Brook BROADMAYNE WWTW 86 1,398 100
Wessex Water River Frome NORTH STREET PS 88 1,396 100
Wessex Water River Yeo POYNTINGTON WATER RECYLCING CENTRE 114 1,375 99.8
Wessex Water Caundle Brook BISHOPS CAUNDLE STW 76 1,241 100
Wessex Water River Frome DORCHESTER (LOUDS MILL) STW 124 1,185 99.85
South West Water Drimpton Stream BROADWINDSOR WWTW 124 958 99.6
Wessex Water River Frome EVERSHOT WASTEWATER TREATMENT WORKS 92 916 100
Wessex Water River Cerne GODMANSTONE STW 50 899 99.9
Wessex Water Caundle Brook HOLWELL STW 63 858 99.9
Wessex Water River Brit NETHERBURY PUMPING STATION 79 853 99.6
Wessex Water River Winniford CHIDEOCK STW 60 738 100
Wessex Water Lyme Bay BRIDPORT SEWAGE TREATMENT WORKS 86 705 100
Wessex Water River Brit SOUTHGATE PUMPING STATION 69 688 99.6
Wessex Water River Yeo SHERBORNE WWTW 88 648 99.75
Wessex Water Wriggle River BEER HACKETT PUMPING STATION 51 587 88.2
Wessex Water River Hooke TOLLER PORCORUM WRC 67 574 96.6
Wessex Water River Yeo SANDFORD ORCAS WRC 41 546 100
Wessex Water Bridport Harbour WEST BAY SLUICES 48 541 100
Wessex Water River Brit SOUTH STREET CSO 76 533 86.5
Wessex Water Sea Lagoon Chessel Beach WEST BEXINGTON PUMPING STATION 64 526 100
Wessex Water Lyme Bay CHARMOUTH SEWAGE DISPOSAL WORKS 107 470 100
South West Water Temple Brook DRIMPTON PUMPING STATION 40 415 99.9
Wessex Water Sydling Water SYDLING ST NICHOLAS PUMPING STATION 31 365 100
Wessex Water Dorchester Mill Stream 16 HIGH STREET CSO 43 359 99.9
Wessex Water Unknown CSO AT SCOUT HUT 25 321 100
South West Water River Lim HORN BRIDGE PSEO/CSO 36 305 100
Wessex Water River Frome EVERSHOT COMBINED SEWER OVERFLOW 81 272 99.6
South West Water River Axe MOSTERTON PUMPING STATION 73 263 99.3
Wessex Water River Asker SOUTH BRIDGE COMB. STORM OVERFLOW 49 247 100
Wessex Water River Parrett SOUTH PERROTT WWTW 39 241 99.8
Wessex Water River Asker LEE LANE PUMPING STATION 38 218 100
Wessex Water Wriggle River FRAMPTON FARM PUMPING STATION 46 170 100
Wessex Water River Brit BRIDPORT WEST STREET CSO 56 158 99.6
Wessex Water West Fleet LANGTON HERRING WRC 34 98 100
Wessex Water Mill Stream Via Sws 35 KINGS ROAD 45 98 100
Wessex Water River Bride SHIPTON GORGE PUMPING STATION 15 81 88.9
Wessex Water Winniford SEATOWN PUMPING STATION 18 76 100
Wessex Water Lyme Bay BRIDPORT WATER RECYCLING CENTRE PS 17 75 99.9
South West Water River Lim GUN CLIFF PSEO/CSO 12 75 100
Wessex Water Mangerton River WEST MILTON WATER RECYCLING CENTRE 23 70 90.8
Wessex Water River Wriggle LEIGH BRIDGE FARM PUMPING STATION 10 70 100
Wessex Water Halstock Stream CORSCOMBE WASTEWATER TREATMENT WORK 14 50 99.9
Wessex Water River Bride BURTON BRADSTOCK 12 41 99.7
Wessex Water River Yeo Via Sws LUDBORNE ROAD CSO 10 36 99.7
South West Water River Synderford THORNCOMBE WWTW 12 34 98.9
Wessex Water Tadnoll Brook KNIGHTON LANE CSO 18 24 99.9
Wessex Water Unknown CSO AT PRINCES BRIDGE 7 23 100
Wessex Water Mill Stream CHURCH STREET PUMPING STATION 19 19 100
Wessex Water River Bride BURTON SOUTHOVER PS 3 18 100
Wessex Water River Brit WEST BRIDGE CSO 13 18 99.6
Wessex Water Corton Denham Stream SANDFORD ORCAS PUMPING STATION 3 16 100
Wessex Water River Yeo MILL LANE PUMPING STATION 2 15 100
South West Water River Lim JERICHO CSO 12 11 100
Wessex Water River Yeo ABBEY ROAD COMBINED SEWER OVERFLOW 11 10 95.1
Wessex Water River Brit HAMS PATH COMBINED SEWER OVERFLOW 8 10 99.7
Wessex Water River Yeo Via Sws 63 CHEAP STREET CSO 22 6 99.7
Wessex Water Caundle Brook GLANVILLES WOOTTON WATER RECYCLING 2 3 99.8
Wessex Water River Yeo Via Sws NEWLAND COMBINED SEWER OVERFLOW 9 2 99.4
Wessex Water River Yeo Via Sws CHEAP STREET NORTH CSO 13 2 99.8
South West Water River Lim GOSLINGS BRIDGE CSO 6 1 81.5
Wessex Water River Asker EAST BRIDGE COMBINED SEWER OVERFLOW 4 0 99.6
Wessex Water Unknown CSO AT 97 HIGH STREET 2 0 100
Wessex Water Mill Stream Via Sws VICTORIA ROAD CSO 1 0 99.7
Wessex Water River Brit WEST BAY ROAD CSO 0 0 99.7
Wessex Water River Yeo Via Sws LONG STREET CSO 0 0 99.4
Wessex Water River Yeo Via Sws WESTBURY COMBINED SEWER OVERFLOW 0 0 99.7
Wessex Water River Frome Via Sws CSO AT TOP OF SOUTH WALKS 0 0 99.3
Wessex Water River Asker Via Sws FISHWEIR FIELDS PS 0 0 95.1
Wessex Water River Simene WEST ROAD FOUNDRY PUMPING STATION 0 0 99.8
Wessex Water River Char THE STREET CSO, CHARMOUTH 0 0 98.8
Wessex Water River Yeo Via Sws THORN BANK CSO 0 0 99.3
Wessex Water South Winterbourne DORCHESTER ROAD PS 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.