South West Devon polluted by sewage 2,430 times in 2023 - lasting 21,285 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for South West Devon in 2023
45 Sites polluted by South West Water
2,430 sewage dumps
21,285 h duration
That's 2.46 years! On average 6.7 times a day
Change Over Time

Pollution Summary 2023

Here are all the reported sewage overflow totals for South West Devon in 2023. 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 2 of the total 59 CSO locations had reporting enabled for less than half the year, of which 2 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
South West Water Kingston Stream KINGSTON WWTW 141 2,835 100
South West Water Unknown LUTTON STW 223 2,614 75.8
South West Water River Erme IVYBRIDGE STW 111 2,280 100
South West Water Silverbridge Lake SPARKWELL WASTEWATER TREATMENT WORK 87 1,627 100
South West Water Ringmore Stream RINGMORE STW 69 1,474 95.7
South West Water Wembury Bay WEMBURY WWTW 73 1,470 100
South West Water River Erme Estuary HOLBETON SEWAGE TREATMENT WORKS 158 854 98.85
South West Water River Yealm LEE MILL PUMPING STATION 76 853 100
South West Water River Plym MARSH MILLS WWTW 86 819 97.4
South West Water Ayleston Brook MODBURY WASTEWATER TREATMENT WORKS 87 788 100
South West Water Unknown LEE MILL STW 212 744 100
South West Water Ayleston Brook POUNDWELL MEADOW CSO 54 733 100
South West Water Long Brook Via Sws 3 ST PETERS CLOSE CSO 111 665 100
South West Water Newton Creek BRIDGEND PUMPING STATION 60 664 100
South West Water River Erme PARSONAGE COTTAGE HILL CSO 50 530 100
South West Water Silverbridge Lake TINWOOD COMBINED SEWER OVERFLOW 31 440 85
South West Water Broad Ooze, Yealm Estuary BRIXTON WASTEWATER TREATMENT WORKS 56 287 94.4
South West Water Unknown UGBOROUGH STW 80 220 100
South West Water River Yealm CORNWOOD PUMPING STATION 32 197 90
South West Water English Channel- Heybrook Bay HEYBROOK BAY PUMPING STATION 55 187 100
South West Water Longbrook MARKET ROAD CSO 50 184 100
South West Water River Plym Estuary ORESTON QUAY (NO 2) PUMPING STATION 49 108 100
South West Water Hooe Lake RADFORD STW 55 107 100
South West Water Cattewater TURNCHAPEL BARRACKS PUMPING STATION 46 87 100
South West Water Tory Brook PLYMOUTH ROAD CSO 75 83 100
South West Water Avon River Estuary AVETON GIFFORD STW 9 72 100
South West Water Cattewater TURNCHAPEL SLIPWAY PUMPING STATION 29 58 100
South West Water Tory Brook Via Sws NEWNHAM ROAD CSO 53 58 100
South West Water River Yealm YEALMPTON WWTW 12 41 100
South West Water Longbrook Stream DARK STREET LANE CSO 28 39 100
South West Water Silverbridge Lake WINSTON LANE CSO 32 26 100
South West Water Cattewater Plym Estuary MARINE ROAD NO 1 PUMPING STATION 12 26 100
South West Water Hey Brook GABBER INJECTOR PUMPING STATION 10 24 100
South West Water River Erme ERMINGTON STW 4 19 100
South West Water Pomphlett Creek BILLACOMBE PUMPING STATION 18 16 100
South West Water Wembury Bay WEMBURY BEACH PSCSO/EO 9 7 100
South West Water River Yealm TORBRIDGE SOUTH CSO 7 6 93.2
South West Water Newton Creek RIVER SIDE NO 1 CSO 18 5 99.1
South West Water River Yealm TORBRIDGE NORTH CSO 20 5 72
South West Water Hooe Lake Via Sws HOOE ROAD CSO 21 5 100
South West Water Hooe Lake, Plym Estuary HOOE LAKE PUMPING STATION 3 4 100
South West Water River Yealm Estuary COURTWOOD ROAD PSCSO/EO 4 1 100
South West Water River Yealm CHURCH WAY CSO 11 1 99.6
South West Water River Erme BITTAFORD STW 2 0 100
South West Water River Erme PLAYING FIELD CSO 1 0 100
South West Water Newton Creek NOSS MAYO PUMPING STATION 0 0 100
South West Water English Channel APPLETREE CSO 0 0 0
South West Water River Yealm Est ELBURTON SOUTH PS 0 0 96.6
South West Water River Erm ERME ROAD CSO 0 0 100
South West Water Shilston Brook BROWNSTON STW 0 0 0
South West Water Newton Creek KILN QUAY PUMPING STATION 0 0 100
South West Water Challaborough Stream CHALLABOROUGH PSCSO/EO 0 0 100
South West Water English Channelat Wembury Bay HMS CAMBRIDGE PUMPING STATION 0 0 100
South West Water River Erme PAVILION PUMPING STATION 0 0 100
South West Water Bigbury Bay BIGBURY & CHALLABOROUGH STW 0 0 100
South West Water Bigbury Bay PUMPING STATION AT WARREN POINT 0 0 100
South West Water Tory Brook MOORLAND ROAD CSO 0 0 100
South West Water Bigbury Bay THE WARREN PUMPING STATION 0 0 100
South West Water River Erm STATION ROAD CSO 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.