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St Austell and Newquay

Polluted by sewage 1,545 times in 2025 lasting 8,423 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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Live data for St Austell and Newquay in 2026

So far this year (as of 18 May 2026, 12:00) there has been 9,875 hours of sewage overflows, from 89 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 1.14 years!

Totals for St Austell and Newquay in 2025

37 Sites polluted by South West Water
1,545 sewage dumps
8,423 hours duration
That's 11.7 months. On average 4.2 times a day

Change Over Time

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Constituencies near St Austell and Newquay

Waterways in St Austell and Newquay

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Pollution Summary 2025

Here are all the reported sewage overflow totals for St Austell and Newquay in 2025. 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 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
South West Water River Fal ST DENNIS WASTEWATER TREATMENT WORK 162 1,434 99.7
South West Water Gwindra Stream NORTH FAL STW (ST STEPHENS COOMBE) 131 1,221 100
South West Water River Gannel FRADDON WASTEWATER TREATEMENT WORKS 67 1,220 100
South West Water St Austell Bay POLKERRIS FINE SCREENING PLANT & PS 59 913 100
South West Water River Fowey Estuary TOWN QUAY PUMPING STATION 198 634 100
South West Water Stream/Atlantic Ocean WATERGATE BAY PUMPING STATION 27 567 100
South West Water Fowey Estuary FOWEY SEWAGE TREATMENT WORKS 72 556 100
South West Water Gwindra Stream GOONMARRIS PSCSO/EO 66 403 100
South West Water River Fowey Estuary GOLANT PUMPING STATION 93 288 100
South West Water River Fal GRAMPOUND PLAYING FIELD CSO 102 155 100
South West Water Atlantic Ocean TOWAN HEAD PUMPING STATION 33 120 100
South West Water River Par MOLINNIS COMBINED SEWER OVERFLOW 48 112 100
South West Water River Fowey Estuary CAFFA MILL PUMPING STATION 38 106 100
South West Water Atlantic Ocean YELLOWSANDS PUMPING STATION 37 85 100
South West Water River Fal GRAMPOUND PUMPING STATION 35 72 100
South West Water Sandy River DANIELS LANE CSO 24 60 97.5
South West Water St Austell Bay CHARLESTOWN HARBOUR PSCSO/EO 30 57 100
South West Water Unknown PAR SEWAGE TREATMENT WORKS 11 55 99.9
South West Water St Austell Bay, English Chanel CHARLESTOWN PUMPING STATION 18 51 100
South West Water Par River ROCHE COMBINED SEWER OVERFLOW 57 49 100
South West Water Unnamed Ditch,Trenance Lake GUSTI VEOR COMBINED SEWER OVERFLOW 60 43 98.6
South West Water Caerhays Stream LOWER STICKER PUMPING STATION 13 42 100
South West Water Mevagissey Bay MEVAGISSEY PS 22 31 100
South West Water River Gannel QUEEN AND RAILWAY INN CSO 61 30 100
South West Water St Austell River ST AUSTELL (LONDON APPRENTICE) PS 3 28 100
South West Water River Par PAR NO2 PUMPING STATION 7 28 100
South West Water St Blazey Stream TREDENHAM CLOSE CSO 7 17 100
South West Water River Gannel FRADDON JUNCTION CSO 23 9 100
South West Water River Gannel FERN PIT PUMPING STATION 7 6 98.4
South West Water Lappa Valley GWINDRA ROAD CSO 11 4 100
South West Water Stream BEACON SIDE PSCSO/EO 6 3 100
South West Water River Fowey Estuary READYMONEY COVE PS 2 2 100
South West Water White River NANSLADRON PUMPING STATION 2 1 100
South West Water St Austell River PENTEWAN PSCSO/EO 2 1 100
South West Water River Fowey Estuary WHITEHOUSE SLIP (POINT) CSO 7 1 100
South West Water Polgooth Stream POLGOOTH COMBINED SEWER OVERFLOW 2 1 100
South West Water Newquay Bay FLY CELLARS PSCSO/EO 2 1 100
South West Water Un-Named Watercourse CREAKAVOSE PARK PSCSO/EO 0 0 100
South West Water River Fal CREEKAVOSE PUMPING STATION 0 0 100
South West Water River Fal INDIAN QUEENS PSCSO/EO 0 0 100
South West Water St Austell Bay PORTHPEAN PSCSO/EO 0 0 100
South West Water Stream PORTMELLON PSCSO/EO 0 0 100
South West Water River Fowey Estuary READYMONEY ROAD COMBINED SEWER 0 0 100
South West Water River Camel VICTORIA PSCSO/EO 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. Live sewage data from Stream Water API

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.

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Analysing sewage pollution by the Water Industry

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