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Bolsover

Polluted by sewage 1,011 times in 2025 lasting 7,900 hours

Monitoring fell below 50% in some locations so could be more

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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 Bolsover in 2026

So far this year (as of 5 Sept 2026, 22:00) there has been 10,596 hours of sewage overflows, from 80 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 1.23 years!

Totals for Bolsover in 2025

31 Sites polluted by Severn Trent Water Yorkshire Water
1,011 sewage dumps
7,900 hours duration
That's 10.97 months. On average 2.8 times a day

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Bolsover 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 1 of the total 39 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Severn Trent Water River Amber WESSINGTON PUMPING STATION 68 1,210 100
Severn Trent Water Alfreton Brook SOUTH NORMANTON STW 64 1,000 68.07
Severn Trent Water River Amber OGSTON WTW CSO 80 986 99.9
Yorkshire Water Williamthorpe Reservoir WILLIAMTHORPE WWTW 68 783 100
Yorkshire Water River Doe Lea BOLSOVER WWTW 121 767 99.55
Severn Trent Water Westwood Brook WESTWOOD BROOK STW 61 529 100
Yorkshire Water River Doe Lea STOCKLEY WWTW 45 448 100
Severn Trent Water River Poulter SCARCLIFFE WWTW 58 443 100
Severn Trent Water Cresswell Arm - Millwood Brook CRESWELL WASTEWATER TREATMENT WORKS 59 285 99.8
Yorkshire Water Muster Brook TEMPLE NORMANTON STW 44 284 100
Severn Trent Water Alfreton Brook SOUTH NORMANTON - CARNFIELD SPS 25 163 100
Severn Trent Water Millwood Brook CLOWNE WASTEWATER TREATMENT WORKS 53 149 100
Severn Trent Water Westwood Brook TIBSHELF - CHESTERFIELD ROAD SPS 27 120 99
Severn Trent Water Millwood Brook WHITWELL WASTEWATER TREATMENT WORKS 23 87 98.15
Yorkshire Water Calow Brook CALOW OAKS FARM CSO 26 83 100
Severn Trent Water Morton Brook BLACKWELL - GLOVES LANE TERMINAL PS 11 80 98.4
Yorkshire Water River Doe Lea BOLSOVER CARR VALE SEW PUMPING STN 25 70 100
Severn Trent Water River Erewash BIRCHWOOD LANE CSO 23 58 91.3
Yorkshire Water Hawke Brook SHUTTLEWOOD CSO 20 58 94.8
Severn Trent Water Alfreton Brook SHIRLAND - HALLFIELD GATE SEWAGE PS 19 54 97.7
Severn Trent Water River Erewash STATION ROAD PUMPING STATION SSO 20 44 100
Yorkshire Water Pools Brook ARKWRIGHT SPS 4 42 100
Yorkshire Water River Rother PILSEY NO 2 CSO 17 41 90.3
Severn Trent Water Alfreton/Normanton Brook HILCOTE SPS - STORM OVERFLOW 8 37 100
Yorkshire Water River Doe Lea HARDSTOFT SPS 9 34 100
Severn Trent Water River Erewash BIRCHWOOD LANE CSO 12 14 100
Yorkshire Water River Doe Lea STATION ROAD BOLSOVER CSO 6 7 99.9
Yorkshire Water Stockley Brook GLAPWELL BACK LANE CSO 6 5 100
Yorkshire Water Muster Brook HUNLOKE ROAD CSO 3 4 100
Yorkshire Water River Doe Lea IRON CLIFFE ROAD CSO 5 1 90.8
Severn Trent Water River Meden SHIREBROOK SEWERAGE SYSTEM CSO 1 0 100
Severn Trent Water Normanton Brook JACQUES BRICKYARD CSO 0 0 100
Yorkshire Water River Doe Lea PALTERTON MAIN STREET CSO 0 0 34.8
Yorkshire Water Barlborough Brook STANFREE CSO 0 0 100
Severn Trent Water Morton Brook STONEBROOM BLOCKS CSO 0 0 99.9
Severn Trent Water Morton Brook TIBSHELF-DOE HILL LN/SPA CROFT CSO 0 0 100
Severn Trent Water Westwood/Normanton Brook VAR PS STH NORMANTON/STM & EMERG OF 0 0 100
Severn Trent Water Birches Brook WESSINGTON - MATLOCK ROAD CSO 0 0 100
Severn Trent Water River Meden WILKINSONS CLOSE 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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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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