Tatton was polluted by sewage 1,922 times in 2024
lasting 12,690 hours - that's 1.47 years!

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Tatton in 2025
So far this year (as of Apr 16, 2025, 5:45 PM) there has been 3,897 hours of sewage overflows - that's 0.45 years!
Totals for Tatton in 2024
37 Sites polluted by United Utilities
1,922 sewage dumps
12,690 h duration
That's 1.47 years! On average 5.3 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Tatton, 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.
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Tatton in 2024. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 0 of the total 42 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Dean WILMSLOW STW 165 1,650 99.7
United Utilities Mobberley Brook MOBBERLEY WWTW 171 1,645 99.6
United Utilities River Bollin BOWDON WASTEWATER TREATMENT WORKS 134 1,395 100
United Utilities Birkin Brook KNUTSFORD WWTW 137 1,324 99.8
United Utilities Whitehall Brook ALDERLEY EDGE WWTW ALDYE 110 1,079 99.9
United Utilities River Bollin HALE STORM TANKS & PUMPING STATION 100 1,038 99.95
United Utilities Witton Brook OLLERSHAW LANE WW NTWK PS 54 811 99.9
United Utilities Mobberley Brook Rv Bollin TOWN LANE CSO 87 525 97.2
United Utilities Carr Brook ALDERLEY EDGE WWTW CSO 61 450 100
United Utilities Marthall Brook OLLERTON SEWAGE PUMPING STATION 59 404 100
United Utilities Crow Brook NETHER PEOVER STW 48 379 99.6
United Utilities Slitten Brook DANE BANK ROAD CSO 481QY 81 248 97.3
United Utilities Sow Brook SOW BROOK PS 20 215 99.8
United Utilities River Bollin GREEN DRAGON HOTEL CSO 481EC 37 189 98.2
United Utilities Agden Brook HIGH LEGH STW 22 185 99.7
United Utilities River Dean REAR OF KNOWLE HOUSE 60 145 99.3
United Utilities Kid COMBERBACH PS 30 140 100
United Utilities Slitten Brook RR NO 16 BRIDGEWATER ST CSO 483BR 52 129 79.5
United Utilities Birkin Brook Via Sws ST JOHNS WOOD CSO 272S9 40 87 97.4
United Utilities Peover Eye PLUMLEY STW 93 81 99.9
United Utilities River Bollin CHANCEL LANE CSO 271I4 51 81 99
United Utilities Serpentine Water BEXTON ROAD COMBINED SEWER OVERFLOW 50 69 93.5
United Utilities Weaver Navigation 42 RUNCORN ROAD CSO 30 66 98.9
United Utilities Trent And Mersey Canal REAR 237 RUNCORN ROAD CSO (472PR) 39 62 99.2
United Utilities Whitehall Brook Via Sws FULSHAW CROSS CSO 271U4 43 57 98.5
United Utilities River Dean REEMAN COURT MANHOLE H4 CSO 272NY 16 49 99.1
United Utilities River Bollin QUARRY BANK MILL CSO 272M4 14 37 99
United Utilities River Bollin BOLLIN WALK CSO 27074 20 33 100
United Utilities Birkin Brook MOBBERLEY RD CSO 41 31 98.6
United Utilities Pedley Brook SANDLE BRIDGE WW NETWORK PS 8 27 99.8
United Utilities Moor Pool KNUTSFORD MAIN PUMPING STATION 7 21 100
United Utilities Trent WOODLANDS GROVE CSO 21 9 99.1
United Utilities Kid Brook Via Sws POPLAR COTTAGES CSO 9 5 96.6
United Utilities Bridgewater Canal OUGHTRIGHTON LANE CSO 482KO 3 3 98.6
United Utilities River Bollin OPP RIVER ST CSO (273BY) 3 3 88.7
United Utilities Clvrt'D River Bollin HAWTHORN LANE CSO 5 2 99.1
United Utilities River Dean DEAN ROAD CSO 278A2 1 0 88.5
United Utilities River Bollin WILMSLOW PARK SOUTH CSO 0 0 98.2
United Utilities River Bollin THE CARRS COMBINED SEWER OVERFLOW 0 0 99.2
United Utilities Wincham Brook MANCHESTER ROAD (LOSTOCK) CSO 0 0 99.5
United Utilities Unknown ANDERTON FIELD NO28 0 0 91.9
United Utilities M/Chester Ship Canal REAR OF 68 WHITBARROW RD 0 0 84.6

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. This 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.