Ely and East Cambridgeshire - Live Sewage

Polluted by sewage 1,670 hours in 2026 , monitoring offline 27,456 hours , potential overflows 7,117 hours so far..

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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 Ely and East Cambridgeshire so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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 Ely and East Cambridgeshire in 2026

Sewage1,670 hours
Monitoring offline27,456 hours
Potential pollution7,117 hours
Storm overflows103

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Daily Data

Jan - 667 hours , 692 potential
Feb - 575 hours , 59 potential
Mar - 21 hours , 3,250 offline
Apr - 16 hours , 60 potential
May - 3 hours , 744 potential
Jun - 94 hours , 720 potential
Jul - 2 hours , 744 potential
Aug - 75 hours , 1,427 potential
Sept - 17 hours , 1,440 potential
Oct - 197 hours , 960 potential
Nov - 0 hours , 270 potential
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water WITCHAM WRC Witcham Catchwater River Ouse 37 450h 42m 177 h
Anglian Water MEPAL STW 100 Foot River 31 385h 18m 0 h
Anglian Water LITTLE DOWNHAM STW Pipers Hill Drain River Great 19 129h 20m -
Anglian Water SUTTON-STH OF THE ROW OV Counter Drain 20 92h 48m -
Anglian Water Ely New Water Recycling Centre Ouse River 8 91h 59m 0 h
Anglian Water LITTLEPORT STW Mare Fen Drain 12 88h 37m -
Anglian Water DULLINGHAM STW Newmarket No.1 Public Drain 14 69h 26m -
Anglian Water STRETHAM-OFF NEWMARKET RD TPS Stretham Catchwater 11 61h 24m 24 h
Anglian Water WILBURTON STW Grunty Fen Catchwater 14 58h 44m 2,046 h
Anglian Water LT THETFORD-MAIN ST TPS Thetford Catchwater 5 33h 1m 7,096 h
Anglian Water WITCHFORD-THE BROADWAY SP Grunty Fen Drain 11 28h 24m -
Anglian Water Ely Water Recycling Centre River Great Ouse 8 26h 11m 1,630 h
Anglian Water CHEVELEY-BROOMSTICK CNR OV Trb Newmarket No2 Public Drain 13 23h 53m 769 h
Anglian Water Cambridge Water Recycling Centre River Cam 9 22h 44m -
Anglian Water WITCHAM WRC Witcham Catchwater River Ouse 2 15h 35m 48 h
Anglian Water ELY-WEST FEN ROAD SP A Littleport 4 14h 35m -
Anglian Water LT DOWNHAM-CALIFORNIA SSO Hundred Foot River 6 14h 14m -
Anglian Water SUTTON-STATION RD OV Unnamed South Fen Drain 8 13h 20m 1,229 h
Anglian Water COVENEY STW Ten Mile River 13 12h 1m -
Anglian Water STUNTNEY-LOWER STREET SP Middle Fen Drain 1 6h 25m 281 h
Anglian Water HADDENHAM-NEW TOWN RD SP Hundred Foot 1 5h 50m -
Anglian Water ELY-WALSINGHAM WAY OV Relief Channel 12 5h 29m -
Anglian Water STRETHAM-OFF BERRY GREEN SP River Great Ouse 3 4h 49m -
Anglian Water HADDENHAM WRC Aldreth Canal 4 3h 46m 24 h
Anglian Water SUTTON-LAWN LANE SP Hundred Foot Drain 3 1h 59m -
Anglian Water LITTLEPORT-HOOF CLOSE SSO Unnamed Ely Ou 4 1h 45m -
Anglian Water HADDENHAM-HILL ROW SP Old West River 2 1h 36m -
Anglian Water CHIPPENHAM STW River Kennett 2 1h 35m 404 h
Anglian Water LITTLEPORT-FRIARS WY WIS RD Mare Fen Drain 6 1h 26m -
Anglian Water COTTENHAM BROAD LANE SP 1 Catchwater Drain Cottenham Lod 1 0h 34m -
Anglian Water COVENEY-SCHOOL LANE SP Un Sedge Fen Dr 1 0h 31m -
Anglian Water LITTLE DOWNHAM-EAGLE LANE SP Littleport 1 0h 30m -
Anglian Water HADDENHAM WRC Aldreth Canal 1 0h 30m 24 h
Anglian Water Ely Lisle Lane CSO River Great Ouse 2 0h 19m -
Anglian Water WITCHFORD STW Fen Drain River Great Ouse 1 0h 15m -
Anglian Water STRETHAM STW Stretham Catchwater River Grea 1 0h 15m -
Anglian Water SOHAM-CHERRY TREE SP Soham Lode 1 0h 13m -
Anglian Water BURWELL STW Catchwater Drain 1 0h 10m -
Anglian Water BURWELL STW Catchwater Drain 1 0h 10m -
Anglian Water WITCHAM-THE SLADE MH90 OVSSO Counter Drain 1 0h 7m 480 h
Anglian Water BOTTISHAM STW Swaffham Bulbeck Lode 1 0h 6m 72 h
Anglian Water PYMORE-STRAIGHT FURLONG SP Littleport 0 0h -
Anglian Water Cambridge Water Recycling Centre River Cam 0 0h -
Anglian Water WITCHAM WRC Witcham Catchwater River Ouse 0 0h -
Anglian Water LITTLE DOWNHAM STW Pipers Hill Drain River Great 0 0h -
Anglian Water DULLINGHAM STW Newmarket No.1 Public Drain 0 0h -
Anglian Water HADDENHAM-NEW TOWN RD SP Hundred Foot 0 0h -
Anglian Water PYMORE-MAIN STREET SP One Hundred Foot Dra 0 0h -
Anglian Water COTTENHAM-HISTON RD SP Beach Ditch 0 0h -
Anglian Water Ely Willow Walk Terminal Pumping Station River Great Ouse 0 0h 6,768 h
Anglian Water WITCHFORD-THE BROADWAY SP Grunty Fen Drain 0 0h -
Anglian Water Chapel Terminal Pumping Station Fen Drain River Great Ouse 0 0h -
Anglian Water WATERBEACH STW Bannold Drove Ditch 0 0h 7,566 h
Anglian Water Ely Water Recycling Centre River Great Ouse 0 0h -
Anglian Water SUTTON-STH OF THE ROW OV Counter Drain 0 0h -
Anglian Water FORDHAM-CARTER STREET OV River Snall 0 0h -
Anglian Water Soham - Mill Corner TPS Soham Lode 0 0h -
Anglian Water CHEVELEY-BROOMSTICK CNR OV Trb Newmarket No2 Public Drain 0 0h -
Anglian Water BOTTISHAM STW Swaffham Bulbeck Lode 0 0h -
Anglian Water COTTENHAM-HISTON RD SP Beach Ditch 0 0h -
Anglian Water LITTLEPORT-HOOF CLOSE SSO Unnamed Ely Ou 0 0h -
Anglian Water FORDHAM-CARTER STREET OV River Snall 0 0h -
Anglian Water Witcham Road Terminal Pumping Station Hundred Ft Drain 0 0h -
Anglian Water HADDENHAM-STATION ROAD SP Grunty Fen Drain 0 0h -
Anglian Water COVENEY STW Ten Mile River 0 0h -
Anglian Water SOHAM-CHERRY TREE SP Soham Lode 0 0h -
Anglian Water STRETHAM-OFF NEWMARKET RD TPS Stretham Catchwater 0 0h -
Anglian Water Ely New Water Recycling Centre Ouse River 0 0h -
Anglian Water HADDENHAM-STATION ROAD SP Grunty Fen Drain 0 0h 5,835 h
Anglian Water COVENEY-SCHOOL LANE SP Un Sedge Fen Dr 0 0h -
Anglian Water HADDENHAM WRC Aldreth Canal 0 0h -
Anglian Water SUTTON-STATION RD OV Unnamed South Fen Drain 0 0h -
Anglian Water PYMORE-STRAIGHT FURLONG SP Littleport 0 0h 96 h
Anglian Water Chapel Terminal Pumping Station Fen Drain River Great Ouse 0 0h -
Anglian Water WITCHAM-THE SLADE MH90 OVSSO Counter Drain 0 0h -
Anglian Water WILBURTON STW Grunty Fen Catchwater 0 0h -
Anglian Water WATERBEACH STW Bannold Drove Ditch 0 0h -
Anglian Water STRETHAM-OFF BERRY GREEN SP River Great Ouse 0 0h -
Anglian Water LITTLEPORT STW Mare Fen Drain 0 0h -
Anglian Water WICKEN-DRURY LANE SP Soham Lode 0 0h -
Anglian Water WITCHAM WRC Witcham Catchwater River Ouse 0 0h -
Anglian Water LITTLEPORT-FRIARS WY WIS RD Mare Fen Drain 0 0h -
Anglian Water LT DOWNHAM-CALIFORNIA SSO Hundred Foot River 0 0h -
Anglian Water STUNTNEY-LOWER STREET SP Middle Fen Drain 0 0h -
Anglian Water LITTLE DOWNHAM PS Pypers Hill Drain 0 0h -
Anglian Water BOTTISHAM-TUNBRIDGE LANE TPS Swaffham Bulbeck Lode 0 0h -
Anglian Water BOTTISHAM-TUNBRIDGE LANE TPS Swaffham Bulbeck Lode 0 0h -
Anglian Water LT THETFORD-MAIN ST TPS Thetford Catchwater 0 0h -
Anglian Water WITCHFORD STW Fen Drain River Great Ouse 0 0h -
Anglian Water ELY-WALSINGHAM WAY OV Relief Channel 0 0h -
Anglian Water MEPAL STW 100 Foot River 0 0h -
Anglian Water Ely Willow Walk Terminal Pumping Station River Great Ouse 0 0h -
Anglian Water HADDENHAM-HILL ROW SP Old West River 0 0h -
Anglian Water SUTTON-LAWN LANE SP Hundred Foot Drain 0 0h -
Anglian Water Ely Lisle Lane CSO River Great Ouse 0 0h -
Anglian Water PYMORE-MAIN STREET SP One Hundred Foot Dra 0 0h -
Anglian Water LITTLE DOWNHAM-EAGLE LANE SP Littleport 0 0h -
Anglian Water CHIPPENHAM STW River Kennett 0 0h -
Anglian Water SOHAM STW Soham Lode 0 0h -
Anglian Water HADDENHAM WRC Aldreth Canal 0 0h -
Anglian Water Witcham Road Terminal Pumping Station Hundred Ft Drain 0 0h -
Anglian Water WENTWORTH-COLLEGE FARM SP Folly River 0 0h -
Anglian Water ELY-WEST FEN ROAD SP A Littleport 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.