Newton Aycliffe and Spennymoor - 2025 Sewage

Polluted by sewage 5,646 hours in 2025 , monitoring offline 12,091 hours , potential overflows 2,995 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Newton Aycliffe and Spennymoor for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Totals for Newton Aycliffe and Spennymoor in 2025

Sewage5,646 hours
Monitoring offline12,091 hours
Potential pollution2,995 hours
Storm overflows142

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Daily Data

Jan - 996 hours , 437 potential
Feb - 38 hours , 38 potential
Mar - 19 hours , 744 potential
Apr - 102 hours , 262 potential
May - 56 hours , 2,433 offline
Jun - 43 hours , 149 potential
Jul - 236 hours , 171 potential
Aug - 44 hours , 59 potential
Sept - 496 hours , 301 potential
Oct - 301 hours , 172 potential
Nov - 2,206 hours , 645 potential
Dec - 1,104 hours , 12 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Northumbrian Water BOWBURN STW (2002) Bowburn Beck 35 519h 13m -
Northumbrian Water BYERS GREEN SPS River Wear 28 406h 12m -
Northumbrian Water TUDHOE MILL SEWAGE TREATMENT WORKS Valley Burn 24 226h 26m -
Northumbrian Water MORDON STW Skerne, A To 19 196h 48m -
Northumbrian Water Unknown Unknown 21 175h 25m 34 h
Northumbrian Water AYCLIFFE SEWAGE TREATMENT WORKS Demons Beck 12 164h 33m -
Northumbrian Water TRIMDON VILLAGE STW River Skerne 16 161h 27m -
Northumbrian Water NICKY NACK SEWAGE PUMPING STATION Nicky Nack Beck 22 152h 21m -
Northumbrian Water Unknown Unknown 22 138h 6m 22 h
Northumbrian Water Unknown Unknown 18 128h 14m 32 h
Northumbrian Water CASSOP STW Chapman Beck 20 128h 12m -
Northumbrian Water Unknown Unknown 35 120h 21m 8 h
Northumbrian Water BOWBURN STW (2002) Bowburn Beck 18 107h 50m -
Northumbrian Water Unknown Unknown 12 99h 59m 31 h
Northumbrian Water Unknown Unknown 26 94h 56m 38 h
Northumbrian Water Unknown Unknown 21 89h 49m 171 h
Northumbrian Water TRIMDON COLLIERY SPS Langley Beck 16 89h 25m -
Northumbrian Water Unknown Unknown 25 88h 42m 7 h
Northumbrian Water WINDLESTONE STW Rushyford Beck, 9 83h 42m -
Northumbrian Water AYCLIFFE SEWAGE TREATMENT WORKS Demons Beck 9 81h 54m -
Northumbrian Water TUDHOE MILL SEWAGE TREATMENT WORKS Valley Burn 17 81h 32m -
Northumbrian Water Unknown Unknown 12 79h 15m 21 h
Northumbrian Water MAYFIELD CSO Valley Burn 15 77h 28m -
Northumbrian Water RUSHYFORD SEWAGE PUMPING STATION, A Rushyford Beck 8 73h 52m -
Northumbrian Water Unknown Unknown 20 72h 48m 3,054 h
Northumbrian Water Unknown Unknown 13 69h 42m -
Northumbrian Water FISHBURN SEWAGE TREATMENT WORKS River Skerne 7 69h 12m -
Northumbrian Water Unknown Unknown 24 66h 2m 222 h
Northumbrian Water Unknown Unknown 19 64h 37m 15 h
Northumbrian Water Unknown Unknown 12 62h 10m 38 h
Northumbrian Water Unknown Unknown 11 61h 30m -
Northumbrian Water TRAVELLERS GREEN CSO (SE015) River Skerne 16 59h 22m -
Northumbrian Water DURHAM ROAD CSO Tursdale Beck 4 53h 30m -
Northumbrian Water Unknown Unknown 18 53h 16m 22 h
Northumbrian Water PARADISE FARM (WILLOW FARM) SPS Coxhoe Beck 11 51h 30m -
Northumbrian Water Unknown Unknown 8 50h 44m 21 h
Northumbrian Water TRIMDON VILLAGE STW River Skerne 16 48h 35m -
Northumbrian Water Unknown Unknown 16 47h 54m -
Northumbrian Water Unknown Unknown 30 46h 43m 719 h
Northumbrian Water Unknown Unknown 6 46h 22m 21 h
Northumbrian Water BISHOP MIDDLEHAM SEWAGE WORKS Carrs 9 45h 32m -
Northumbrian Water LEASINGTHORPE FARM CSO Rushyford Beck 21 42h 10m -
Northumbrian Water Unknown Unknown 21 41h 40m 8 h
Northumbrian Water SUNDERLAND BRIDGE SEWAGE PUMPING STATION River Wear 8 40h 24m -
Northumbrian Water Unknown Unknown 4 39h 11m 497 h
Northumbrian Water Unknown Unknown 9 37h 56m 665 h
Northumbrian Water Unknown Unknown 5 37h 46m 25 h
Northumbrian Water Unknown Unknown 6 33h 3m -
Northumbrian Water FISHBURN SEWAGE TREATMENT WORKS River Skerne 7 31h 40m -
Northumbrian Water Unknown Unknown 10 31h 2m -
Northumbrian Water Unknown Unknown 9 30h 30m 8 h
Northumbrian Water RAILWAY LINE CSO Coxhoe Beck 10 30h 6m -
Northumbrian Water Unknown Unknown 13 29h 6m 467 h
Northumbrian Water Unknown Unknown 16 28h 45m 473 h
Northumbrian Water SEDGEFIELD SEWAGE TREATMENT WORKS Shotton Beck, 6 28h 45m -
Northumbrian Water EDNA STREET CSO Bowburn Beck 9 28h 12m -
Northumbrian Water Unknown Unknown 22 28h 4m 416 h
Northumbrian Water Unknown Unknown 11 24h 58m 31 h
Northumbrian Water SUNDERLAND BRIDGE CSO River Wear 15 24h 56m -
Northumbrian Water Unknown Unknown 16 22h 53m 1,594 h
Northumbrian Water BURTON BECK CSO Burton Beck 10 22h 13m -
Northumbrian Water Unknown Unknown 9 21h 33m 29 h
Northumbrian Water BOWBURN BRIDGE SPS Bowburn Beck 7 21h 24m -
Northumbrian Water Unknown Unknown 5 21h 18m -
Northumbrian Water Unknown Unknown 16 20h 38m -
Northumbrian Water STOCKTON ROAD CSO (SE 024) Shotton Beck 9 19h 22m -
Northumbrian Water Unknown Unknown 8 18h 30m 112 h
Northumbrian Water FISHBURN BRIDGE CSO River Skerne 10 16h 40m -
Northumbrian Water KELLOE STW Coxhoe Beck 3 16h 28m -
Northumbrian Water Unknown Unknown 8 16h 17m 359 h
Northumbrian Water CHILTON LANE A CSO Carrs Rvr Skerne 10 16h 15m -
Northumbrian Water CHILTON LANE SPS Mainsforth Stell 3 15h 48m -
Northumbrian Water STEPHENSON WAY SPS River Skerne 3 15h 31m -
Northumbrian Water FERRYHILL NORTH SPS East Howle Beck 8 14h 58m -
Northumbrian Water Unknown Unknown 14 14h 4m 30 h
Northumbrian Water Unknown Unknown 13 13h 40m 555 h
Northumbrian Water Unknown Unknown 10 13h 37m 171 h
Northumbrian Water Unknown Unknown 7 13h 24m 69 h
Northumbrian Water FERRYHILL (GORDON TERRACE) SPS Mainsforth Stell 5 13h 11m -
Northumbrian Water Unknown Unknown 21 12h 56m -
Northumbrian Water BLACK HORSE CSO Coxhoe Beck 5 12h 44m -
Northumbrian Water BRADBURY STW River Skerne 6 12h 19m -
Northumbrian Water Unknown Unknown 8 12h 12m 22 h
Northumbrian Water CHILTON LANE SSO Mainsforth Stell 4 12h 1m -
Northumbrian Water COW PLANTATION CSO Valley Burn, River Wear 4 11h 48m -
Northumbrian Water Unknown Unknown 12 10h 653 h
Northumbrian Water WEST CORNFORTH SPS Coxhoe Beck 2 9h 46m -
Northumbrian Water PARK HILL CSO Coxhoe Beck 4 9h 42m -
Northumbrian Water Unknown Unknown 12 9h 30m 21 h
Northumbrian Water EAST END CSO (SE 026) Redcar Beck 6 9h 16m -
Northumbrian Water CORNFORTH PUMPING STATION Coxhoe Beck 2 8h 4m -
Northumbrian Water BEACON AVENUE SPS Redcar Beck 2 6h 26m -
Northumbrian Water Unknown Unknown 12 5h 46m 15 h
Northumbrian Water Unknown Unknown 4 5h 16m 26 h
Northumbrian Water LANGLEY BECK CSO Langley Beck 5 4h 26m -
Northumbrian Water 50 Oxclose Crescent Spennymoor Valley Burn 1 2h 50m -
Northumbrian Water Unknown Unknown 3 2h 34m 8 h
Northumbrian Water Unknown Unknown 3 2h 33m 7 h
Northumbrian Water Unknown Unknown 3 2h 22m -
Northumbrian Water Unknown Unknown 12 1h 45m 7 h
Northumbrian Water DAVEY LAMP PH CSO Coxhoe Beck 1 1h 22m -
Northumbrian Water Unknown Unknown 3 1h 17m 930 h
Northumbrian Water Unknown Unknown 2 1h 8m 7 h
Northumbrian Water THE MEADOWS CSO (SE 022) Shotton Beck 1 1h 6m -
Northumbrian Water Unknown Unknown 1 0h 52m 7 h
Northumbrian Water ROWLANDSON TERRACE CSO Carrs 2 0h 44m -
Northumbrian Water HALL FARM CSO (SE037) Wear 2 0h 40m -
Northumbrian Water Unknown Unknown 7 0h 34m 182 h
Northumbrian Water ATTWOOD TERRACE CSO SE008 Nicky Nack Beck 3 0h 30m -
Northumbrian Water Unknown Unknown 6 0h 28m 7 h
Northumbrian Water Unknown Unknown 1 0h 24m 8 h
Northumbrian Water Unknown Unknown 2 0h 22m -
Northumbrian Water EAST HOWLE STW Coxhoe Beck 3 0h 20m -
Northumbrian Water COXHOE CSO Coxhoe Beck 5 0h 20m -
Northumbrian Water Unknown Unknown 1 0h 14m 15 h
Northumbrian Water Unknown Unknown 1 0h 14m 30 h
Northumbrian Water Unknown Unknown 3 0h 8m 7 h
Northumbrian Water CROSS STREET CSO Wear 1 0h 6m -
Northumbrian Water DEAN ROAD CSO River Skerne 1 0h 2m -
Northumbrian Water Unknown Unknown 1 0h -
Northumbrian Water Unknown Unknown 1 0h 15 h
Northumbrian Water Unknown Unknown 0 0h 8 h
Northumbrian Water METAL BRIDGE SPS AND CSO East Howle Beck 0 0h -
Northumbrian Water WELL BANK CSO River Skerne 0 0h -
Northumbrian Water WEAR VIEW A CSO SE001 Strait The 0 0h -
Northumbrian Water MAUGHAN CLOSE CSO SE39 Coxhoe Beck 0 0h -
Northumbrian Water YORK HILL PS (SE034) Nicky Nack Beck 0 0h -
Northumbrian Water WORKINGMEN'S CLUB CSO Coxhoe Beck 0 0h -
Northumbrian Water KELLOE SSO MANHOLE NO. 18 Coxhoe Beck, 0 0h -
Northumbrian Water Tursdale PS - NWL name Coxhoe Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h 1,648 h
Northumbrian Water WEAR VIEW B CSO Strait, Culverted Watercrs 0 0h -
Northumbrian Water Unknown Unknown 0 0h 82 h
Northumbrian Water Unknown Unknown 0 0h 24 h
Northumbrian Water Unknown Unknown 0 0h 902 h
Northumbrian Water FISHBURN TCE SSO Skerne 0 0h -
Northumbrian Water WEST STREET CSO Blagdon Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water 20 PEARSON STREET CSO SE 009 East Howle Beck, 0 0h -
Northumbrian Water WINGATE CSO NO 1 River Skerne 0 0h -
Northumbrian Water Unknown Unknown 0 0h 442 h
Northumbrian Water LYNDHURST ROAD COMBINED SEWER OVERF Rushyford Beck 0 0h -

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.