Top of the Poops | Constituency | Bolton South and Walkden| Polluted by United Utilities

{"type":"Polygon","coordinates":[[[-2.373590826,53.553898313],[-2.367222706,53.551650299],[-2.362329679,53.551329073],[-2.362430724,53.550440699],[-2.347547576,53.547338075],[-2.343855851,53.545251735],[-2.34148235,53.545866161],[-2.341501254,53.541647897],[-2.338671743,53.53804976],[-2.337312543,53.53751158],[-2.337243901,53.534574397],[-2.33819571,53.533597374],[-2.341891922,53.536401126],[-2.346298891,53.537468802],[-2.34861146,53.537225751],[-2.347986139,53.536035694],[-2.348634693,53.535648222],[-2.353697691,53.535040099],[-2.352127728,53.534209682],[-2.353870647,53.533897128],[-2.354654558,53.532733474],[-2.352759172,53.53231127],[-2.353538079,53.530203856],[-2.35077587,53.529646608],[-2.354390447,53.526224018],[-2.354386432,53.524656449],[-2.361866532,53.522889337],[-2.366344583,53.520252001],[-2.368853706,53.517234019],[-2.369878036,53.512935249],[-2.378693471,53.513594422],[-2.392081864,53.51185181],[-2.415349905,53.512028135],[-2.415758941,53.513461308],[-2.414540722,53.514876684],[-2.418273364,53.518103085],[-2.422782386,53.5203371],[-2.454178692,53.526036476],[-2.451098371,53.52858827],[-2.44800739,53.528163094],[-2.447808754,53.529353028],[-2.444608775,53.530908299],[-2.441975047,53.53368194],[-2.440982974,53.538681382],[-2.438102676,53.54002134],[-2.437149242,53.542236968],[-2.435665457,53.541950393],[-2.436867074,53.547069237],[-2.440055231,53.54816307],[-2.440085723,53.54906271],[-2.435159617,53.548927088],[-2.43528568,53.550176019],[-2.441893422,53.554228018],[-2.450160798,53.553981617],[-2.448862138,53.556103562],[-2.450774504,53.558729467],[-2.448182488,53.559580555],[-2.446761782,53.560997905],[-2.45400021,53.561655625],[-2.462197461,53.567276117],[-2.462378461,53.568064571],[-2.461406287,53.568461554],[-2.462152023,53.569764195],[-2.464512906,53.570795064],[-2.464581609,53.573063445],[-2.464322487,53.573948026],[-2.45434638,53.573798457],[-2.441309999,53.575899371],[-2.431076027,53.575689507],[-2.42900745,53.576320741],[-2.430366714,53.579592973],[-2.422514751,53.579942758],[-2.414713735,53.569917487],[-2.410681819,53.569268073],[-2.409713524,53.568141612],[-2.40762667,53.568601719],[-2.406219275,53.567321181],[-2.403529419,53.567137239],[-2.404384256,53.565535994],[-2.406679526,53.564156615],[-2.406120649,53.562240405],[-2.403699836,53.562166833],[-2.401377396,53.564500809],[-2.398145405,53.562634842],[-2.394886853,53.56209554],[-2.392519197,53.562691188],[-2.390894238,53.561341994],[-2.391010968,53.55976056],[-2.389913922,53.55750628],[-2.387639082,53.55850596],[-2.385389159,53.556778029],[-2.38267324,53.557334596],[-2.380764891,53.556800938],[-2.379101559,53.555555492],[-2.382647317,53.551203254],[-2.382380126,53.550195163],[-2.373590826,53.553898313]]]}

Select Constituency

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Bolton South and Walkden in 2025

So far this year (as of Apr 30, 2025, 9:30 AM) there has been 1,127 hours of sewage overflows

Totals for Bolton South and Walkden in 2024

30 Sites polluted by United Utilities

1,466 sewage dumps

5,896 hours duration

That's 8.19 months. On average 4 times a day

Change Over Time

Take Action

Your local MP is Yasmin Qureshi (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Bolton South and Walkden

Waterways in Bolton South and Walkden

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Bolton South and Walkden, 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.

We need your support!

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

Pollution Summary 2024

Here are all the reported sewage overflow totals for Bolton South and Walkden 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 2 of the total 37 CSO locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
United Utilities	River Irwell	BOLTON WASTEWATER TREATMENT WORKS	159	1,223	100
United Utilities	Little Hulton Stream	WORSLEY STW	158	949	100
United Utilities	River Croal	HACKEN WORKS CSO	133	757	100
United Utilities	Unity Brook	HULTON LANE ENDS STW	79	605	99.5
United Utilities	Croal Minor	91 MANCHESTER ROAD CSO 072GO	141	372	98.2
United Utilities	Tanner Hole Brook	ADELAIDE STREET CSO	76	345	100
United Utilities	River Croal	CAMMERCLOUGH ROAD CSO	109	335	99.9
United Utilities	River Irwell	KEARSLEY PS	34	219	98
United Utilities	Middle Brook	NO 76 MIDDLE BROOK CSO	115	218	97.3
United Utilities	Singing Clough Brook	STONEHILL ROAD CSO 072TV	43	134	94.1
United Utilities	Clvrt Singing Clough Brook	STONECLOUGH ROAD CSO 07045	55	122	100
United Utilities	Jenny Beck Rvr Croal	WESTON ST VIKING ST CSO BOL0115	51	111	99.8
United Utilities	Ellen Brook Culvert	TYNESBANK	33	96	98.3
United Utilities	Jenny Beck, Rv Croal	RISHTON LANE/WESTON STREET CSO	52	84	100
United Utilities	Honksford Brook	CSO SOUTH OF ASHAWE GROVE	26	82	33.5
United Utilities	Culvrt Singing Clough Brook	STONEHILL ROAD CSO 07049	31	60	99.5
United Utilities	Ellen Brook	NEWEARTH ROAD CSO	29	51	100
United Utilities	River Croal	SPRINGFIELD TANK CSO	31	37	93.9
United Utilities	Croal Minor	ORLANDO STREET CSO 078J3	16	21	99
United Utilities	River Croal	HALL LANE	20	19	100
United Utilities	Clvrt River Irwell	SINGING CLOUGH CSO 071Q8	13	15	95.4
United Utilities	River Croal	STPETERS WAY/SPRINGFIELD IND ES CSO	20	10	99.4
United Utilities	Middle Brook	BLACKSHAW LANE CSO 072FW	15	10	99
United Utilities	Honksford Brook	CSO SOUTH OF ASHAWE GROVE	5	6	99.3
United Utilities	River Croal	FERN STREET CSO (078J3)	11	3	98.8
United Utilities	Honksford Brook Via Sws	BEECH GROVE CSO	4	1	99.5
United Utilities	A Culverted Section Jenny Beck	LEVER STREET NO1 CSO	2	0	99.2
United Utilities	Singing Clough Brook	STONEHILL TRADING ESTATE CSO	1	0	99.2
United Utilities	Croal Minor	CHURCH BANK RAILWAY VIADUCT CSO	2	0	98.8
United Utilities	Jenny Beck Culvert River Croal	CROFT LN MANCHESTER RD CSO BOL0206	2	0	99.4
United Utilities	Middle Brook Via Sws	CALEDONIA ST HIBERNIA ST CSO 071IB	0	0	99.5
United Utilities	River Irwell	RIVERSIDE CSO BOLTO BOL0058	0	0	99.2
United Utilities	Worsley Brook	WALKDEN RD HOLYOAKE RD CSO 37045	0	0	5
United Utilities	Astley Brook	LITTLE HULTON CSO	0	0	84.4
United Utilities	Jenny Beck	BRIDGEMAN ST HIGHER SWAN LANE CSO	0	0	98.1
United Utilities	Jenny Beck Rvr Croal	LEVER STREET NO 5 CSO 078CD	0	0	98.9
United Utilities	Croal Minor	CHURCH BANK (SIDE OF VIADUCT) CSO	0	0	96.8

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.

Analysing sewage pollution by the Water Industry

Media Queries

Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

Please Support Us

We rely on donations to fund our work. Please support us if you can

Yes! Support TOTP!

(C) 2020-2024 Top-Of-The-Poops CC-BY-SA 4.0,
(C) Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2024,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis (C) 2024 Top-Of-The-Poops

Bolton South and Walkden Polluted by sewage 1,466 times in 2024 lasting 5,896 hours Monitoring fell below 50% in some locations so could be more

Bolton South and Walkden