Area of Outstanding Natural Beauty

North Pennines - Live Sewage

Polluted by sewage 4,243 hours in 2026 , monitoring offline 4,750 hours , potential overflows 1,818 hours so far..

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

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Totals for North Pennines in 2026

Sewage4,243 hours
Monitoring offline4,750 hours
Potential pollution1,818 hours
Storm overflows74

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Daily Data - when it rained, and when they spilled

Square = rainfall none → heavy
Drop = sewage minutes → all day
Potential pollution Monitoring offline
Jan - 1,572 hours , 1,098 offline
Feb - 1,842 hours , 1,006 offline
Mar - 537 hours , 1 potential
Apr - 29 hours , 396 potential
May - 23 hours , 121 potential
Jun - 12 hours , 20 offline
Jul - 0 hours
Aug - 44 hours , 324 potential
Sept - 12 hours , 720 potential
Oct - 164 hours , 254 potential
Nov - 3 hours , 53 offline

Storm overflows in and around North Pennines

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Northumbrian Water ALLENDALE STW River East Allen 77 1,183h 1m -
Northumbrian Water WESTERN AREA STW River Wear 68 1,100h 54m -
Northumbrian Water ROOKHOPE STW Rookhope Burn 46 578h -
Northumbrian Water NENTHEAD STW River Nent 39 440h 49m 2,142 h
Northumbrian Water FROSTERLEY SEWAGE TREATMENT WORKS Wear 28 275h 36m -
Northumbrian Water CHURCH DENE CSO Unnamed River Burn 43 166h 42m -
Northumbrian Water BLANCHLAND STW River Derwent 13 102h 26m -
Northumbrian Water ALSTON EJECTOR STATION SPS River South Tyne 13 61h 12m -
United Utilities CASTLE CARROCK WwTW Castle Carrock Beck 28 52h 51m 60 h
Northumbrian Water STOTSFIELD BURN CSO Rookhope Burn 14 46h 30m 523 h
Northumbrian Water THE CARAVAN PARK CSO River Nent 35 34h 56m -
United Utilities Stenkrith Bridge CSO River Eden 6 32h 48m -
United Utilities BLENCARN WwTW Blencarn Beck 9 29h 26m 64 h
United Utilities Gamblesby PS Gamblesby Beck 10 26h 32m 31 h
Northumbrian Water HUNTSHIELD FORD CSO River Wear 6 26h 22m 19 h
Northumbrian Water TINDALE STW Tarn Beck 8 25h 11m -
United Utilities DUFTON WwTW Mill Beck 13 19h 51m 134 h
United Utilities Unthank PS Hazelrigg Beck 6 15h 38m 29 h
Northumbrian Water SLAGGYFORD SPS River South Tyne 3 8h 29m -
Northumbrian Water WESTGATE CSO River Wear 11 4h 40m 2,517 h
Northumbrian Water FRONT STREET (TOWN HALL) CSO River Nent 6 3h 18m -
Northumbrian Water PHILIPBURN DENE SPS Philip Burn 1 1h 47m -
Northumbrian Water VEDRA CLOSE SSO Wear 2 1h 46m -
Northumbrian Water HOLMSFOOT CSO River Nent 3 1h 13m -
Northumbrian Water CSO AT HILLIERSON TERRACE River Nent 12 1h 4m 1,015 h
Northumbrian Water OPP OLD CASTLESIDE STW CSO Wharnley Burn 3 0h 26m -
United Utilities Renwick CSO Harberry Beck 3 0h 24m -
United Utilities Castle Carrok CSO (Adjacent Donlea House) Castle Carrock Beck 1 0h 22m 29 h
Northumbrian Water WESTGATE CARAVAN SITE CSO Wear 1 0h 20m -
Northumbrian Water KINGS ARMS LANE CSO River Nent 4 0h 10m -
Northumbrian Water THE FIRS CSO ED003 River South Tyne 1 0h 10m -
Northumbrian Water GARRIGILL MANHOLE 9901 SSO South Tyne 1 0h 4m -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities Unthank PS Hazelrigg Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water THE PETH CSO River East Allen 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities Gamblesby PS Gamblesby Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities Murton (Bridge House) PS Murton Beck 0 0h -
United Utilities Stenkrith Bridge CSO River Eden 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water MARKET PLACE CSO Hudeshope Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water CATTON LEA CSO River East Allen 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities BLENCARN WwTW Blencarn Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities Castle Carrok CSO (Adjacent Donlea House) Castle Carrock Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities CASTLE CARROCK WwTW Castle Carrock Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities Murton (Bridge House) PS Murton Beck 0 0h -
Northumbrian Water MILL COTTAGE CSO River East Allen 0 0h -
United Utilities Renwick CSO Harberry Beck 0 0h -
Northumbrian Water Unknown Unknown 0 0h -
United Utilities DUFTON WwTW Mill 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.