Polluted by sewage 513 times in 2025 lasting 2,408 hours
Monitoring was disabled in some locations, so could be more
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Donate NowHere are all the reported sewage overflow totals for Matlock 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 1 of the total 22 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. Of these 1 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Severn Trent Water | River Derwent | MATLOCK BATH - DALE ROAD (COAL ME- | 118 | 976 | 100 |
| Severn Trent Water | River Derwent | DARLEY DALE NO 11 CSO | 84 | 803 | 99.9 |
| Severn Trent Water | River Derwent | OKER-SNITTERTON-SNITTERTON ROAD SPS | 21 | 110 | 100 |
| Severn Trent Water | Bentley Brook | STONEY WAY COMBINED SEWER OVERFLOW | 32 | 102 | 100 |
| Severn Trent Water | River Derwent | RAILWAY BRIDGE/DALE ROAD CSO | 23 | 86 | 98.8 |
| Severn Trent Water | River Derwent | DALE RD SOUTH-OFF OLD HACKNEY LANE | 25 | 70 | 100 |
| Severn Trent Water | River Derwent | MATLOCK MH79 UDC - IMPERIAL ROAD CS | 37 | 52 | 100 |
| Severn Trent Water | Bentley Brook | WEBSTERS TERRACE CSO | 22 | 50 | 99.5 |
| Severn Trent Water | Bentley Brook | TANSLEY OLD COACH ROAD (POND) CSO | 13 | 47 | 99.3 |
| Severn Trent Water | River Derwent | LIME GROVE WALK/BANK ROAD PO CSO | 61 | 33 | 100 |
| Severn Trent Water | Bentley Brook | TANSLEY OLD COACH ROAD CSO | 23 | 21 | 99.8 |
| Severn Trent Water | Bentley Brook | MATLOCK-KNOWLESTON PLACE SPS | 11 | 15 | 100 |
| Severn Trent Water | Warney Brook | TWO DALES - CHESTERFIELD RD CSO | 15 | 14 | 99.8 |
| Severn Trent Water | Warney Brook | TWO DALES GARAGE CSO | 7 | 13 | 100 |
| Severn Trent Water | Bentley Brook | MATLOCK GREEN_MORNINGTON RISE CSO | 7 | 7 | 100 |
| Severn Trent Water | River Derwent | BANK ROAD COMBINED SEWER OVERFLOW | 4 | 1 | 100 |
| Severn Trent Water | Warney Brook | TWO DALES - GREENWAY/ODDFORD LN CSO | 6 | 0 | 100 |
| Severn Trent Water | Warney Brook | TWO DALES - CHESTERFIELD ROAD CSO | 3 | 0 | 99.5 |
| Severn Trent Water | Bentley Brook | MATLOCK GREEN/LIME TREE RD CSO | 1 | 0 | 99.3 |
| Severn Trent Water | River Derwent | BAKEWELL ROAD / DIMPLE ROAD CSO | 0 | 0 | 100 |
| Severn Trent Water | River Derwent | MH NR STARKHOLMES FOOTBRIDGE | 0 | 0 | 0 |
| Severn Trent Water | River Derwent | SEWER MH WOODEND LEA ROAD | 0 | 0 | 100 |
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.
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