Polluted by sewage 21,359 hours in 2025 - That's 2.47 years
Your local MP is Alicia Kearns (Conservative) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Rutland and Stamford, 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.
We managed to raise £150 in 2024. That's not enough to keep the site running. Please consider a one-off or small recurring donation.
Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Anglian Water | UPPINGHAM STW | Uppingham Brook | 119 | 2,020 h 5m | 84.17 |
| Anglian Water | GREAT EASTON STW (LEICS) | River Welland | 93 | 1,623 h 53m | 67.62 |
| Anglian Water | HALLATON STW | Medbourne Brook River Welland | 126 | 1,287 h 36m | 53.62 |
| Severn Trent Water | LANGHAM (STW) | Langham Brook | 41 | 837 h 53m | 34.88 |
| Anglian Water | GREAT EASTON STW (LEICS) | River Welland | 41 | 776 h 28m | 32.33 |
| Anglian Water | Glooston Water Recycling Centre | River Welland | 44 | 696 h 4m | 29 |
| Anglian Water | CALDECOTT TPS | Eye Brook | 32 | 647 h 48m | 26.96 |
| Anglian Water | MANTHORPE STW | East Glen River | 72 | 631 h 18m | 26.29 |
| Anglian Water | ESSENDINE TPS | West Glen | 29 | 607 h 45m | 25.29 |
| Anglian Water | RYHALL STW | River Gwash | 46 | 604 h 14m | 25.17 |
| Anglian Water | RYHALL STW | River Gwash | 43 | 602 h 54m | 25.08 |
| Anglian Water | LITTLE BYTHAM STW | West Glen River | 53 | 599 h 54m | 24.96 |
| Anglian Water | TUGBY STW | Stanton Brook River We | 59 | 584 h 1m | 24.33 |
| Anglian Water | OAKHAM STW | Rutland Water/Barleythorpe Bro | 46 | 573 h 52m | 23.88 |
| Anglian Water | BISBROOKE SP | Uppingham Brook | 30 | 558 h 56m | 23.25 |
| Anglian Water | OAKHAM STW | Rutland Water/Barleythorpe Bro | 27 | 552 h 35m | 23 |
| Anglian Water | STAMFORD-HUDDS MILL TPS | River Welland | 26 | 551 h 14m | 22.96 |
| Anglian Water | KETTON-STAMFORD RD SP | River Chater | 28 | 543 h 14m | 22.62 |
| Anglian Water | UFFINGTON-CASEWICK LANE SP | R Welland | 27 | 536 h 42m | 22.33 |
| Anglian Water | MEDBOURNE WRC | Medbourne Brook River Welland | 25 | 527 h 14m | 21.96 |
| Anglian Water | NORTH LUFFENHAM STW | River Chater | 36 | 521 h 33m | 21.71 |
| Anglian Water | CSO and EO at Tinwell SP | Brain | 25 | 516 h 27m | 21.5 |
| Anglian Water | GREAT CASTERTON TPS | River Gwash | 27 | 512 h 37m | 21.33 |
| Anglian Water | UPPINGHAM STW | Uppingham Brook | 40 | 431 h 41m | 17.96 |
| Anglian Water | ESSENDINE TPS | West Glen | 26 | 398 h 44m | 16.58 |
| Anglian Water | STAMFORD-HUDDS MILL TPS | River Welland | 21 | 375 h 43m | 15.62 |
| Severn Trent Water | LANGHAM (STW) | Langham Brook | 23 | 369 h 17m | 15.38 |
| Anglian Water | HALLATON STW | Medbourne Brook River Welland | 32 | 351 h 38m | 14.62 |
| Anglian Water | Glooston Water Recycling Centre | River Welland | 22 | 310 h 19m | 12.92 |
| Anglian Water | OAKHAM STW | Rutland Water/Barleythorpe Bro | 17 | 216 h 6m | 9 |
| Anglian Water | TUGBY STW | Stanton Brook River We | 20 | 160 h 47m | 6.67 |
| Anglian Water | MANTHORPE STW | East Glen River | 34 | 158 h 41m | 6.58 |
| Anglian Water | OAKHAM STW | Rutland Water/Barleythorpe Bro | 15 | 110 h 25m | 4.58 |
| Severn Trent Water | HOUGHTON ON THE HILL STW (SSTO) | Bushby Brook | 16 | 105 h 25m | 4.38 |
| Severn Trent Water | HOUGHTON ON THE HILL STW (SSTO) | Bushby Brook | 12 | 100 h 50m | 4.17 |
| Anglian Water | TILTON ON THE HILL STW | Eye Brook | 19 | 100 h 28m | 4.17 |
| Severn Trent Water | BILLESDON STW (CSO) | River Sence | 28 | 99 h 26m | 4.12 |
| Severn Trent Water | SETTLED STORM OVERFLOW-3PG HUNGARTON (STW) | Barkby Brook | 19 | 80 h 12m | 3.33 |
| Anglian Water | PRESTON STW | Preston Brook River Chater | 16 | 69 h 12m | 2.88 |
| Severn Trent Water | WHISSENDINE 'B' - MAIN STREET TPS (CSO) | Whissendine Brook | 11 | 66 h 15m | 2.75 |
| Anglian Water | MORCOTT SSO | Unnamed Backwater Of River Ise | 21 | 62 h 43m | 2.58 |
| Anglian Water | LITTLE BYTHAM-STATION RD SSO | West Glen | 9 | 59 h 17m | 2.46 |
| Anglian Water | CALDECOTT TPS | Eye Brook | 4 | 58 h 44m | 2.42 |
| Anglian Water | KETTON-STAMFORD RD SP | River Chater | 8 | 53 h 1m | 2.21 |
| Severn Trent Water | WHISSENDINE 'B' - MAIN STREET TPS (CSO) | Whissendine Brook | 9 | 47 h 37m | 1.96 |
| Severn Trent Water | BILLESDON STW (CSO) | River Sence | 7 | 46 h 33m | 1.92 |
| Severn Trent Water | ASHWELL PS (CSO) | Whissendine Brook | 5 | 45 h 24m | 1.88 |
| Anglian Water | NORTH LUFFENHAM STW | River Chater | 8 | 43 h 6m | 1.79 |
| Anglian Water | LITTLE BYTHAM-STATION RD SSO | West Glen | 5 | 39 h 8m | 1.62 |
| Anglian Water | MEDBOURNE WRC | Medbourne Brook River Welland | 7 | 37 h 9m | 1.54 |
| Anglian Water | WING STW | River Chater | 7 | 36 h 30m | 1.5 |
| Anglian Water | UFFINGTON-CASEWICK LANE SP | R Welland | 2 | 34 h | 1.42 |
| Severn Trent Water | SETTLED STORM OVERFLOW-3PG HUNGARTON (STW) | Barkby Brook | 9 | 28 h 55m | 1.17 |
| Anglian Water | NORTH LUFFENHAM TPS | R Chater | 7 | 28 h 15m | 1.17 |
| Anglian Water | MORCOTT SSO | Unnamed Backwater Of River Ise | 10 | 25 h 52m | 1.04 |
| Anglian Water | BLASTON-ST GILES CHURCH SSO | Medbourne Brook | 13 | 24 h 55m | 1 |
| Severn Trent Water | ASHWELL PS (CSO) | Whissendine Brook | 3 | 24 h 29m | 1 |
| Anglian Water | WING STW | River Chater | 17 | 22 h 13m | 0.92 |
| Anglian Water | UPPINGHAM STW | Uppingham Brook | 9 | 22 h 10m | 0.92 |
| Anglian Water | CSO and EO at Tinwell SP | Brain | 3 | 20 h 46m | 0.83 |
| Anglian Water | UPPINGHAM STW | Uppingham Brook | 6 | 19 h 14m | 0.79 |
| Anglian Water | BLASTON-ST GILES CHURCH SSO | Medbourne Brook | 42 | 18 h | 0.75 |
| Anglian Water | TILTON ON THE HILL STW | Eye Brook | 4 | 15 h 59m | 0.62 |
| Anglian Water | BISBROOKE SP | Uppingham Brook | 4 | 15 h 44m | 0.62 |
| Anglian Water | CSO and EO at North Witham TPS | River Witham | 3 | 15 h 39m | 0.62 |
| Severn Trent Water | MARKET OVERTON STW (CSO) | Whissendine Brook | 6 | 15 h 22m | 0.62 |
| Anglian Water | LITTLE BYTHAM STW | West Glen River | 11 | 14 h 56m | 0.58 |
| Anglian Water | COLSTERWORTH STW | River Witham | 7 | 12 h 54m | 0.5 |
| Anglian Water | GREAT CASTERTON TPS | River Gwash | 2 | 11 h 16m | 0.46 |
| Anglian Water | BRAUNSTON STW | River Gwash | 4 | 10 h 44m | 0.42 |
| Anglian Water | BRAUNSTON STW | River Gwash | 5 | 7 h 13m | 0.29 |
| Severn Trent Water | LANGHAM PS (CSO) | Langham Brook | 1 | 6 h 53m | 0.25 |
| Anglian Water | Drayton SSO | River Welland | 4 | 6 h 31m | 0.25 |
| Anglian Water | COLSTERWORTH STW | River Witham | 4 | 2 h 45m | 0.08 |
| Anglian Water | Stamford - Castle Street Combined Sewer Overflow | River Welland | 8 | 2 h 15m | 0.08 |
| Anglian Water | PRESTON STW | Preston Brook River Chater | 2 | 0 h 51m | 0 |
| Anglian Water | Stamford - Castle Street Combined Sewer Overflow | River Welland | 1 | 0 h 45m | 0 |
| Anglian Water | NORTH LUFFENHAM TPS | R Chater | 2 | 0 h 45m | 0 |
| Anglian Water | LYDDINGTON STW | Lyddington Brook. River Wellan | 1 | 0 h 29m | 0 |
| Severn Trent Water | LANGHAM PS (CSO) | Langham Brook | 1 | 0 h 29m | 0 |
| Anglian Water | Great Casterton WRC | River Gwash River Welland | 0 | 0 h | 0 |
| Anglian Water | STRETTON SP | North Brook | 0 | 0 h | 0 |
| Anglian Water | STRETTON SP | North Brook | 0 | 0 h | 0 |
| Anglian Water | Great Casterton WRC | River Gwash River Welland | 0 | 0 h | 0 |
| Anglian Water | KETTON-ALDGATE TPS | River Chater | 0 | 0 h | 0 |
| Anglian Water | SWINSTEAD SSO | East Glen | 0 | 0 h | 0 |
| Anglian Water | COTTESMORE STW | North Brook River Gwash | 0 | 0 h | 0 |
| Anglian Water | Stamford - Rutland Terrace Combined Sewer Overflow | Mill Stream | 0 | 0 h | 0 |
| Anglian Water | CSO and EO at North Witham TPS | River Witham | 0 | 0 h | 0 |
| Anglian Water | Stamford - Rutland Terrace Combined Sewer Overflow | Mill Stream | 0 | 0 h | 0 |
| Anglian Water | Drayton SSO | River Welland | 0 | 0 h | 0 |
| Anglian Water | SLAWSTON-BLANSTON ROAD SP | Medbourne Brook | 0 | 0 h | 0 |
| Anglian Water | OAKHAM-CATMOSE VALE ROAD SSO | River Gwash | 0 | 0 h | 0 |
| Severn Trent Water | MARKET OVERTON STW (CSO) | Whissendine Brook | 0 | 0 h | 0 |
| Anglian Water | CREETON-LITTLE BYTHAM RD SP | West Glen Rir | 0 | 0 h | 0 |
| Anglian Water | SWINSTEAD SSO | East Glen | 0 | 0 h | 0 |
| Severn Trent Water | WHISSENDINE 'A' - MELTON ROAD SPS (CSO) | Whissendine Brook | 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.