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North East Derbyshire

Polluted by sewage 1,332 times in 2025 lasting 9,014 hours - That's 1.04 years!

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 North East Derbyshire in 2026

So far this year (as of 18 May 2026, 12:00) there has been 5,621 hours of sewage overflows, from 57 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for North East Derbyshire in 2025

40 Sites polluted by Severn Trent Water Yorkshire Water
1,332 sewage dumps
9,014 hours duration
That's 12.52 months. On average 3.6 times a day

Change Over Time

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Waterways in North East Derbyshire

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Pollution Summary 2025

Here are all the reported sewage overflow totals for North East Derbyshire 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 46 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 ASHOVER STW 152 1,780 99.5
Yorkshire Water River Rother DANESMOOR WWTW 133 1,179 99.9
Yorkshire Water River Doe Lea STAVELEY WWTW 90 1,090 100
Yorkshire Water Smithy Brook RENISHAW WWTW 60 679 100
Yorkshire Water River Rother DANESMOOR NO 3 CSO 44 606 99.7
Severn Trent Water Press Brook CLAY CROSS SEWAGE TREATMENT WORKS 60 569 99.8
Yorkshire Water River Rother AVENUE FARM CSO 66 329 100
Severn Trent Water Smithy Brook BACON SPRINGS CSO 52 313 99.7
Yorkshire Water River Drone DRONFIELD WWTW 42 287 100
Yorkshire Water Holmesfield Brook HOLMESFIELD STW 34 251 100
Yorkshire Water River Rother SHEFFIELD ROAD KILMARSH CSO 41 229 100
Yorkshire Water Redleadmill Brook TUPTON WWTW 35 224 92.9
Severn Trent Water River Amber KELSTEDGE SEWAGE TREATMENT WORKS 75 207 99.3
Yorkshire Water River Drone UNSTONE SEWAGE PUMPING STATION 27 185 100
Yorkshire Water Barlow Brook BARLOW WWTW 43 183 100
Yorkshire Water Trough Brook TROUGHBROOK ROAD NO 2 CSO 35 141 100
Yorkshire Water River Rother HALL TERRACE CLAY CROSS & HIGH HAZE 62 113 97.9
Yorkshire Water Moss BRIDGE INN FORD CSO 27 87 99.7
Severn Trent Water Cockwell Sough ASHOVER OVERTON HALL STW 31 85 98.8
Yorkshire Water River Moss BIRCHES LANE SPS 31 81 100
Yorkshire Water County Dyke To River Rother NORWOOD SPS 21 63 100
Yorkshire Water River Hipper BULLS HEAD CSO 25 61 99.8
Yorkshire Water River Moss BRAMLEY HALL FARM SPS 5 49 100
Yorkshire Water River Hipper HIPPER HALL CSO 20 39 97.4
Yorkshire Water River Rother WORKS ROAD CSO 11 36 62.5
Yorkshire Water Trough Brook River Rother STATION RD STAVELEY CSO 5 27 99.4
Yorkshire Water River Drone DRONFIELD TIP CSO 9 22 96.6
Yorkshire Water River Moss ECKINGTON CSO 22 21 100
Yorkshire Water Holme Brook CUTTHORPE ROAD CSO 15 18 100
Yorkshire Water River Drone DRONFIELD YARD CSO 14 14 100
Yorkshire Water Park Brook WESTTHORPE NO 2 CSO 10 13 100
Yorkshire Water River Drone DRONFIELD MILL LANE CSO 7 9 100
Yorkshire Water River Rother NORTH WINGFIELD CSO 7 5 100
Yorkshire Water River Rother GRASSHILL FARM CSO 3 3 100
Yorkshire Water Moss RIDGEWAY WELL CSO 5 2 100
Yorkshire Water Moss MARKET STREET CS0 6 1 100
Yorkshire Water River Drone CROW LANE MEMORIAL CSO 4 1 100
Yorkshire Water Moss PRIMARY SCHOOL CSO 1 0 99.8
Yorkshire Water River Drone HARDHURST ROAD CSO 1 0 100
Yorkshire Water River Moss ROTHERSIDE ROAD CSO 1 0 60
Yorkshire Water River Rother ALBERT ROAD CSO 0 0 99.9
Yorkshire Water River Drone CROW LANE FIELD CSO 0 0 100
Yorkshire Water River Drone DRONFIELD LEA ROAD CSO 0 0 100
Yorkshire Water River Drone SISCAR COTTAGE CSO 0 0 99.9
Yorkshire Water Moss SWAN INN CSO 0 0 96.8
Yorkshire Water River Rother WEST HANDLEY CSO 0 0 1.3

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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