Polluted by sewage 48,179 hours in 2025 - That's 5.58 years
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Westmorland and Lonsdale, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| United Utilities | STAVELEY WwTW | River Kent | 156 | 3,293 h 14m | 137.21 |
| United Utilities | Coniston WwTW | Church Beck | 126 | 1,951 h 53m | 81.29 |
| United Utilities | Kirkby Stephen WwTW | River Eden | 110 | 1,878 h 56m | 78.25 |
| United Utilities | Shap (Brackenber) WwNPS | Docker Beck | 109 | 1,799 h 2m | 74.96 |
| United Utilities | Field Head Pumping Station (Site ID FLDHD) (LAK0090) | Windermoor Main Drain | 112 | 1,738 h 53m | 72.42 |
| United Utilities | Greystoke Wastewater Process PS | River North Petteril | 100 | 1,672 h 44m | 69.67 |
| United Utilities | Cark PS | River Eea | 103 | 1,669 h 18m | 69.54 |
| United Utilities | Crosby Garret WwTW | Crosby Garrett Beck | 146 | 1,437 h 45m | 59.88 |
| United Utilities | Hawkshead Pumping Station (Site ID HWKSH) (LAK0107) | Black Beck | 94 | 1,359 h 31m | 56.62 |
| United Utilities | NEAR SAWREY WwTW | Cunsey Beck | 64 | 1,292 h 39m | 53.83 |
| United Utilities | Crosby Garret WwTW | Crosby Garrett Beck | 53 | 1,235 h 32m | 51.46 |
| United Utilities | KENDAL WwTW | River Kent | 79 | 1,066 h 17m | 44.42 |
| United Utilities | Greystoke Wastewater Process PS | River North Petteril | 46 | 976 h 48m | 40.67 |
| United Utilities | Heversham Sewage PS | Marsh Drain | 55 | 967 h 44m | 40.29 |
| United Utilities | Kirkby Stephen WwTW | River Eden | 43 | 953 h 37m | 39.71 |
| United Utilities | STAVELEY WwTW | River Kent | 40 | 908 h 49m | 37.83 |
| United Utilities | ORTON WwTW | Chapel Beck | 58 | 908 h 19m | 37.83 |
| United Utilities | Cark PS | River Eea | 42 | 884 h 30m | 36.83 |
| United Utilities | Field Head Pumping Station (Site ID FLDHD) (LAK0090) | Windermoor Main Drain | 40 | 828 h 1m | 34.5 |
| United Utilities | Shap (Brackenber) WwNPS | Docker Beck | 40 | 785 h 24m | 32.71 |
| United Utilities | NEAR SAWREY WwTW | Cunsey Beck | 39 | 762 h 10m | 31.75 |
| United Utilities | Winton PS | River Eden | 101 | 736 h 32m | 30.67 |
| United Utilities | Winton PS | River Eden | 36 | 684 h 52m | 28.5 |
| United Utilities | Low Wood Bridge Pumping Station (Site ID LOWWO) (LAK0054) | River Leven | 48 | 676 h 20m | 28.17 |
| United Utilities | AMBLESIDE WwTW | River Rothay | 34 | 598 h 40m | 24.92 |
| United Utilities | Heversham Sewage PS | Marsh Drain | 29 | 597 h 49m | 24.88 |
| United Utilities | Hawkshead Pumping Station (Site ID HWKSH) (LAK0107) | Black Beck | 28 | 544 h 46m | 22.67 |
| United Utilities | High Newton WwTW | Ayside Pool | 88 | 513 h 15m | 21.38 |
| United Utilities | TEBAY WwTW | River Lune | 74 | 495 h 32m | 20.62 |
| United Utilities | Coniston WwTW | Church Beck | 28 | 482 h 38m | 20.08 |
| United Utilities | Grasmere Waste Water Treatment Works | Grasmere Lake | 51 | 473 h 46m | 19.71 |
| United Utilities | MURTON WwTW | Murton Beck | 48 | 464 h 14m | 19.33 |
| United Utilities | Askham Wastewater Treatment Works (ASKHM) (017670078) | River Lowther | 31 | 423 h 20m | 17.62 |
| United Utilities | SHAP WwTW | Shap Beck | 23 | 391 h 36m | 16.29 |
| United Utilities | AMBLESIDE WwTW | River Rothay | 21 | 384 h 12m | 16 |
| United Utilities | MORLAND WwTW | Morland Beck | 77 | 364 h 37m | 15.17 |
| United Utilities | Stainton SSO | River Eamont | 40 | 356 h 13m | 14.83 |
| United Utilities | Low Wood Bridge Pumping Station (Site ID LOWWO) (LAK0054) | River Leven | 21 | 352 h 21m | 14.67 |
| United Utilities | KENDAL WwTW | River Kent | 27 | 351 h 14m | 14.62 |
| United Utilities | Tebay Sewage PS | River Lune | 42 | 349 h 55m | 14.54 |
| United Utilities | Cartmel In Cark Pumping Station (Site ID CARTC) (LAK0099) | River Eea | 25 | 341 h 26m | 14.21 |
| United Utilities | RAVENSTONEDALE WwTW | Sandal Beck | 39 | 316 h 58m | 13.17 |
| United Utilities | Kirkby Stephen WwTW | River Eden | 83 | 291 h 56m | 12.12 |
| United Utilities | Elterwater pumping station (ELTER) (LAK0025) | Great Langdale Beck | 23 | 288 h 32m | 12 |
| United Utilities | BROUGH WwTW | Swindale Beck | 64 | 276 h 55m | 11.5 |
| United Utilities | Meathop PS | Meathop Marsh Drain | 13 | 275 h 59m | 11.46 |
| United Utilities | TEBAY WwTW | River Lune | 23 | 271 h 54m | 11.29 |
| United Utilities | ORTON WwTW | Chapel Beck | 15 | 266 h 26m | 11.08 |
| United Utilities | TEMPLE SOWERBY WwTW | Birk Syke | 94 | 266 h 15m | 11.08 |
| United Utilities | TORVER WwTW | Torver Beck | 57 | 261 h 12m | 10.88 |
| United Utilities | KENDAL WwTW | River Kent | 54 | 254 h 54m | 10.58 |
| United Utilities | Tebay Sewage PS | River Lune | 18 | 245 h 56m | 10.21 |
| United Utilities | Grasmere Waste Water Treatment Works | Grasmere Lake | 20 | 240 h 16m | 10 |
| United Utilities | High Newton WwTW | Ayside Pool | 21 | 219 h 54m | 9.12 |
| United Utilities | GREAT ASBY WwTW | Asby Beck | 33 | 218 h 1m | 9.08 |
| United Utilities | SHAP WwTW | Shap Beck | 13 | 211 h 50m | 8.79 |
| United Utilities | RAVENSTONEDALE WwTW | Sandal Beck | 18 | 207 h 58m | 8.62 |
| United Utilities | Warcop Village PS | Crooks Beck | 42 | 198 h 55m | 8.25 |
| United Utilities | ORTON WwTW | Chapel Beck | 31 | 191 h 10m | 7.96 |
| United Utilities | Kirkby Stephen WwTW | River Eden | 19 | 184 h 11m | 7.67 |
| United Utilities | Warcop Village PS | Crooks Beck | 17 | 177 h 17m | 7.38 |
| United Utilities | LINDALE WwTW | River Winster | 25 | 174 h 39m | 7.25 |
| United Utilities | Manhole on Syphon (Warcop) CSO | Crooks Beck | 42 | 166 h 18m | 6.92 |
| United Utilities | Penruddock Sewage PS | River Petteril | 39 | 166 h 13m | 6.92 |
| United Utilities | Stainton SSO | River Eamont | 15 | 159 h 8m | 6.62 |
| United Utilities | PENRITH WwTW | River Eamont | 12 | 149 h 43m | 6.21 |
| United Utilities | CULGAITH WWTW | River Eden | 20 | 144 h 24m | 6 |
| United Utilities | Elterwater pumping station (ELTER) (LAK0025) | Great Langdale Beck | 13 | 138 h 29m | 5.75 |
| United Utilities | KABER WwTW | Popping Beck | 27 | 136 h 29m | 5.67 |
| United Utilities | BOLTON (PENRITH) WwTW | River Eden | 37 | 134 h 15m | 5.58 |
| United Utilities | Galloper Pool PS | Galloper Pool | 10 | 130 h 55m | 5.42 |
| United Utilities | Askham Wastewater Treatment Works (ASKHM) (017670078) | River Lowther | 38 | 123 h 34m | 5.12 |
| United Utilities | KENDAL WwTW | River Kent | 17 | 121 h 37m | 5.04 |
| United Utilities | ORTON WwTW | Chapel Beck | 12 | 118 h 18m | 4.92 |
| United Utilities | BROUGH WwTW | Swindale Beck | 24 | 113 h 55m | 4.71 |
| United Utilities | Newbiggin-on-Lune Wastewater Network Pumping Station | Lune - Headwaters To Conf Birk Beck | 25 | 112 h 58m | 4.67 |
| United Utilities | GREAT ASBY WwTW | Asby Beck | 13 | 112 h 2m | 4.67 |
| United Utilities | Pooley Bridge SSO | River Eamont | 24 | 109 h 22m | 4.54 |
| United Utilities | Glebe Road PS | Windermere | 16 | 108 h 36m | 4.5 |
| United Utilities | Manhole on Syphon (Warcop) CSO | Crooks Beck | 14 | 108 h 8m | 4.5 |
| United Utilities | TEMPLE SOWERBY WwTW | Birk Syke | 22 | 107 h 47m | 4.46 |
| United Utilities | TORVER WwTW | Torver Beck | 14 | 101 h 20m | 4.21 |
| United Utilities | LINDALE WwTW | River Winster | 12 | 101 h 16m | 4.21 |
| United Utilities | PENRITH WwTW | River Eamont | 10 | 99 h 46m | 4.12 |
| United Utilities | SOCKBRIDGE & TIRRIL WwTW | Lady Beck River Eamont | 31 | 98 h 54m | 4.08 |
| United Utilities | MORLAND WwTW | Morland Beck | 15 | 96 h 52m | 4 |
| United Utilities | GLENRIDDING WwTW | Glenridding Beck | 25 | 96 h 47m | 4 |
| United Utilities | CLIFTON PS | River Lowther | 11 | 94 h 17m | 3.92 |
| United Utilities | Grange PS | Kent Estuary | 11 | 91 h 11m | 3.79 |
| United Utilities | Gategill Beck M/H Near River Flats CSO | Gategill Beck | 36 | 88 h 11m | 3.67 |
| United Utilities | Grange PS | Kent Estuary | 10 | 88 h 5m | 3.67 |
| United Utilities | CULGAITH WWTW | River Eden | 12 | 88 h 1m | 3.67 |
| United Utilities | Penruddock Sewage PS | River Petteril | 17 | 85 h 57m | 3.54 |
| United Utilities | Stenkrith Bridge CSO | River Eden | 10 | 80 h 50m | 3.33 |
| United Utilities | Franks Bridge SSO | River Eden Via Sws | 29 | 76 h 12m | 3.17 |
| United Utilities | DUFTON WwTW | Mill Beck | 24 | 76 h 2m | 3.17 |
| United Utilities | Appleby CSO Adj to Appleby WwTW | River Eden | 17 | 75 h 46m | 3.12 |
| United Utilities | Glebe Road PS | Windermere | 11 | 73 h 11m | 3.04 |
| United Utilities | KABER WwTW | Popping Beck | 12 | 67 h 36m | 2.79 |
| United Utilities | Kirkby Thore PS | Trout Beck | 22 | 64 h 41m | 2.67 |
| United Utilities | MURTON WwTW | Murton Beck | 10 | 61 h 19m | 2.54 |
| United Utilities | Ravenstown PS | Windermoor Main Drain | 7 | 58 h 26m | 2.42 |
| United Utilities | Ravenstown PS | Windermoor Main Drain | 10 | 55 h 15m | 2.29 |
| United Utilities | Newbiggin-on-Lune Wastewater Network Pumping Station | Lune - Headwaters To Conf Birk Beck | 10 | 55 h 2m | 2.29 |
| United Utilities | GRANGE-OVER-SANDS WwTW | Kent Channel Morecambe Estuary | 27 | 53 h 28m | 2.21 |
| United Utilities | CULGAITH WwTW | River Eden | 5 | 47 h 7m | 1.96 |
| United Utilities | Clifton PS | Savick Brook | 8 | 45 h 44m | 1.88 |
| United Utilities | GLENRIDDING WwTW | Glenridding Beck | 12 | 45 h 41m | 1.88 |
| United Utilities | Galloper Pool PS | Galloper Pool | 13 | 44 h 39m | 1.83 |
| United Utilities | BROUGH WwTW | Swindale Beck | 11 | 43 h 50m | 1.79 |
| United Utilities | BOLTON (PENRITH) WwTW | River Eden | 12 | 42 h 28m | 1.75 |
| United Utilities | Morecambe Bank CSO | Kent Channel | 30 | 38 h 34m | 1.58 |
| United Utilities | Cart Lane (Grange) PS | Kent Channel | 7 | 37 h 29m | 1.54 |
| United Utilities | APPLEBY WwTW(APPLE) (017670001) | River Eden | 6 | 37 h 29m | 1.54 |
| United Utilities | Stenkrith Bridge CSO | River Eden | 5 | 35 h 18m | 1.46 |
| United Utilities | Murton (Bridge House) PS | Murton Beck | 9 | 34 h 11m | 1.42 |
| United Utilities | Pooley Bridge SSO | River Eamont | 8 | 31 h 46m | 1.29 |
| United Utilities | APPLEBY WwTW(APPLE) (017670001) | River Eden | 9 | 31 h 23m | 1.29 |
| United Utilities | Clifton PS | Savick Brook | 6 | 28 h 22m | 1.17 |
| United Utilities | Chapel Street (Temple Sowerby) CSO | Birk Sike | 19 | 23 h 46m | 0.96 |
| United Utilities | Gategill Beck M/H Near River Flats CSO | Gategill Beck | 12 | 22 h 46m | 0.92 |
| United Utilities | SANDFORD VILLAGE WwTW | River Eden | 14 | 22 h 24m | 0.92 |
| United Utilities | CLIFTON PS | River Lowther | 4 | 19 h 46m | 0.79 |
| United Utilities | Long Marton WwTW | Trout Beck | 19 | 19 h 34m | 0.79 |
| United Utilities | SOCKBRIDGE & TIRRIL WwTW | Lady Beck River Eamont | 7 | 19 h 22m | 0.79 |
| United Utilities | O/S XXXXXX House CSO (174LB) | Birk Sike | 13 | 18 h 22m | 0.75 |
| United Utilities | DUFTON WwTW | Mill Beck | 7 | 16 h 14m | 0.67 |
| United Utilities | Appleby CSO Adj to Appleby WwTW | River Eden | 6 | 14 h 44m | 0.58 |
| United Utilities | SANDFORD VILLAGE WwTW | River Eden | 9 | 12 h 34m | 0.5 |
| United Utilities | BROUGH WwTW | Swindale Beck | 8 | 10 h 32m | 0.42 |
| United Utilities | Franks Bridge SSO | River Eden Via Sws | 8 | 10 h 28m | 0.42 |
| United Utilities | Kirkby Thore PS | Trout Beck | 6 | 9 h | 0.38 |
| United Utilities | GRANGE-OVER-SANDS WwTW | Kent Channel Morecambe Estuary | 13 | 7 h 49m | 0.29 |
| United Utilities | Adjacent Cross Keys Inn | River Lune | 5 | 4 h 46m | 0.17 |
| United Utilities | Morecambe Bank CSO | Kent Channel | 5 | 3 h 40m | 0.12 |
| United Utilities | MOTHERBY WwTW | River Petteril | 3 | 3 h 13m | 0.12 |
| United Utilities | Chapel Street (Temple Sowerby) CSO | Birk Sike | 5 | 1 h 54m | 0.04 |
| United Utilities | GREYSTOKE WwTW | River Petteril | 1 | 1 h 45m | 0.04 |
| United Utilities | Brougham Pumping Station (17502) (EDE0085) | River Eamont | 2 | 1 h 40m | 0.04 |
| United Utilities | Holme Street/Chapel Street CSO | Ewan Mill Beck | 5 | 1 h 36m | 0.04 |
| United Utilities | Pooley Bridge East wastewater treatment works (Site ID POOLE) (017670085) | River Eamont | 2 | 0 h 35m | 0 |
| United Utilities | Meathop PS | Meathop Marsh Drain | 2 | 0 h 29m | 0 |
| United Utilities | Promenade CSO | Kent Channel Morecambe Bay | 2 | 0 h 22m | 0 |
| United Utilities | Punch Bowl Hotel (Askham) CSO | Askham Beck | 1 | 0 h 16m | 0 |
| United Utilities | Holme Street/Chapel Street CSO | Ewan Mill Beck | 1 | 0 h 16m | 0 |
| United Utilities | Highgate / Lowther Street CSO (399KL) | River Kent | 1 | 0 h 12m | 0 |
| United Utilities | STAVELEY WwTW | River Kent | 1 | 0 h 2m | 0 |
| United Utilities | O/S XXXXXX House CSO (174LB) | Birk Sike | 1 | 0 h 2m | 0 |
| United Utilities | Waygreen Cottages CSO (399KS) | Wear Beck Via Surface Water Sewer | 1 | 0 h 2m | 0 |
| United Utilities | MOTHERBY WwTW | River Petteril | 0 | 0 h | 0 |
| United Utilities | STAVELEY WwTW | River Kent | 0 | 0 h | 0 |
| United Utilities | The Hayloft CSO (399KN) | River Leven | 0 | 0 h | 0 |
| United Utilities | GREYSTOKE WwTW | River Petteril | 0 | 0 h | 0 |
| United Utilities | Promenade CSO | Kent Channel Morecambe Bay | 0 | 0 h | 0 |
| United Utilities | Brougham Pumping Station (17502) (EDE0085) | River Eamont | 0 | 0 h | 0 |
| United Utilities | Adjacent Cross Keys Inn | River Lune | 0 | 0 h | 0 |
| United Utilities | Lady Beck CSO | Lady Beck | 0 | 0 h | 0 |
| United Utilities | CULGAITH WwTW | River Eden | 0 | 0 h | 0 |
| United Utilities | Highgate / Lowther Street CSO (399KL) | River Kent | 0 | 0 h | 0 |
| United Utilities | Waygreen Cottages CSO (399KS) | Wear Beck Via Surface Water Sewer | 0 | 0 h | 0 |
| United Utilities | Cartmel In Cark Pumping Station (Site ID CARTC) (LAK0099) | River Eea | 0 | 0 h | 0 |
| United Utilities | Lady Beck CSO | Lady Beck | 0 | 0 h | 0 |
| United Utilities | Long Marton WwTW | Trout Beck | 0 | 0 h | 0 |
| United Utilities | Unknown | Unknown | 0 | 0 h | 0 |
| United Utilities | Pooley Bridge East wastewater treatment works (Site ID POOLE) (017670085) | River Eamont | 0 | 0 h | 0 |
| United Utilities | The Hayloft CSO (399KN) | River Leven | 0 | 0 h | 0 |
| United Utilities | Cart Lane (Grange) PS | Kent Channel | 0 | 0 h | 0 |
| United Utilities | Punch Bowl Hotel (Askham) CSO | Askham Beck | 0 | 0 h | 0 |
| United Utilities | Murton (Bridge House) PS | Murton Beck | 0 | 0 h | 0 |
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.