Top of the Poops | Place | Penryn | Polluted by South West Water

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Totals for Penryn in 2025

8 Sites polluted by South West Water

336 sewage dumps

1,905 hours duration

That's 2.65 months. 6.5 times a week, on average

Change Over Time

Constituency for Penryn

Nearby Constituencies

Waterways in Penryn

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Penryn 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 place 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	Penryn River	COMMERCIAL ROAD PUMPING STATION	75	857	100
South West Water	Praze Stream	PRAZE TANK CSO	49	663	93.7
South West Water	Penryn River	CSO AT NORTH PARADE	97	212	100
South West Water	Penryn River	CSO AT DUNSTANVILLE TERRACE	47	85	100
South West Water	Penryn River	CSO OFF PENDARVES ROAD	32	49	100
South West Water	Penryn River	ST THOMAS STREET CSO	23	25	100
South West Water	Penryn River	OLD HILL PS	10	12	100
South West Water	Penryn River	TEHIDY TERRACE CSO	3	0	92.3
South West Water	Penryn River	OLD HILL (TRESAWLE RD) 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. 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.

Analysing sewage pollution by the Water Industry

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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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