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Hamilton and Clyde Valley was polluted by sewage 364 times in 2023
lasting 2,063 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 Hamilton and Clyde Valley in 2023
3 Sites polluted by Scottish Water
364 sewage dumps
2,063 h duration
That's 2.87 months. 7 times a week, on average
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Hamilton and Clyde Valley 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 21 of the total 26 CSO locations had reporting enabled for less than half the year, of which 21 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Scottish Water River Nethan LESMAHAGOW WWTW 1930 NS816408 119 985 49.73
Scottish Water River Clyde HAMILTON WWTW NS712575 218 907 75.89
Scottish Water Wellshaw Burn ABBOTSFORD AVENUE CSO NS708571 27 169 95.34
Scottish Water Wellshaw Burn CAMPSIE VIEW CSO 2010 NS695545 0 0 0
Scottish Water Cadzow Burn AUCHINGRAMONT RD CSO 2010 NS722556 0 0 0
Scottish Water Kitchen Burn LARKHALL, 59 CHURCH ST CSO 2010 NS763509 0 0 0
Scottish Water Cadzow Burn HAMILTON, CASTLE ST/EDINBURGH RD CSO 0 0 93.7
Scottish Water Avon Water LARKHALL, BRAEHEAD WWPS CSO 0 0 0
Scottish Water River Clyde FERNIEGAIR WWTW NS747542 0 0 0
Scottish Water Cadzow Burn HAMILTON, GRAMMAR SCHOOL PLAYING FIELDS 0 0 100
Scottish Water Park Burn HAMILTON, HILLHOUSE RD/BRANKHOLM BRAE 0 0 0
Scottish Water Skelly Gill LARKHALL ALBANY WYND CSO 2008 NS768515 0 0 0
Scottish Water Skelly Gill LARKHALL, O/S 81 LOW PLEASANCE CSO 0 0 0
Scottish Water River Nethan LESMAHAGOW, GROUND OPP 36 MILTON CSO 0 0 0
Scottish Water Tributary of Avon Water LARKHALL, BIRKENSHAW SPS PCSO 0 0 0
Scottish Water River Nethan BLACKWOOD WWTW 1950 NS805431 0 0 0
Scottish Water Earnock Burn R/O 52 WOODFOOT ROAD CSO NS705547 0 0 0
Scottish Water Cadzow Burn WESTWOOD CRESCENT CSO 2009 NS711545 0 0 0
Scottish Water River Clyde LANARK WWTW 1995 NS872437 0 0 0
Scottish Water Kitchen Burn R/O 3 KARADALE GARDENS CSO NS761509 0 0 0
Scottish Water Wellshaw Burn HAM'TON, POLLOK AVE/BEATTOCK WYND PCSO 0 0 0
Scottish Water Skelly Gill SKELLYTON STATION RD CSO 2005 NS765518 0 0 0
Scottish Water Wellshaw Burn MILLERPARK WELLHALL BRIDGE CSO NS708554 0 0 0
Scottish Water Cadzow Burn 24 MEIKLE EARNOCK ROAD CSO 2010 NS715536 0 0 0
Scottish Water Cadzow Burn 75A MEIKLE EARNOCK RD CSO 2009 NS713534 0 0 0
Scottish Water Wellshaw Burn HAMILTON, R/O 17 MILTON TERRACE CSO 0 0 0

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.