Aberafan Maesteg was polluted by sewage 3,110 times in 2024
lasting 23,130 hours - that's 2.68 years!

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Totals for Aberafan Maesteg in 2024
51 Sites polluted by Dwr Cymru Welsh Water
3,110 sewage dumps
23,130 h duration
That's 2.68 years! On average 8.5 times a day
Change Over Time
Take Action
Your local MP is Stephen Kinnock (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Aberafan Maesteg
Waterways in Aberafan Maesteg

Pollution Summary 2024

Here are all the reported sewage overflow totals for Aberafan Maesteg 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 53 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 %
Dwr Cymru Welsh Water River Llynfi 27 Talbot Street CSO, Maesteg 309 3,948 96.4
Dwr Cymru Welsh Water River Llynfi SPELTER CSO ASSET 52423 202 3,134 99.8
Dwr Cymru Welsh Water River Llyfni CAERAU STH CSO ASSET 52420 MAESTEG 131 2,245 99.8
Dwr Cymru Welsh Water River Llynfi LLETTY BRONGU STW LLANGYNWYD MAESTG 138 2,036 99.8
Dwr Cymru Welsh Water Swansea Bay AFAN WWTW PHOENIX WHARF HARBOUR RD 123 1,883 50
Dwr Cymru Welsh Water River Afan CSO No. 109 at Cymmer SPS 196 1,380 99.8
Dwr Cymru Welsh Water River Llynfi Maesteg South CSO Asset 95015 124 762 99.8
Dwr Cymru Welsh Water River Tawe CSO 104 NEWBRIDGE ROAD PUMPING STAT 63 723 100
Dwr Cymru Welsh Water Llynfi River CSO Greenfield Street 147 686 99.8
Dwr Cymru Welsh Water River Afan Duffryn CSO 106 583 99.8
Dwr Cymru Welsh Water Nant Y Twlc CSO HEOL FAEN GARTH (POINT 22) 136 493 97.6
Dwr Cymru Welsh Water River Afan CSO 101 THE WAUN 200M U/S FOOTBRIDGE 87 480 99
Dwr Cymru Welsh Water Nant Cwm-Clais CSO at rear of Ynys Y Wern 110 468 97.3
Dwr Cymru Welsh Water River Pelenna CSO No 110 Tonmawr 103 388 98.3
Dwr Cymru Welsh Water River Llynfi CSO STH OF GREENFIELD TERRACE PONT 77 375 99.8
Dwr Cymru Welsh Water Croeserw Brook CSO 122 18 DUKE STREET AFAN 39 355 98.7
Dwr Cymru Welsh Water River Kenfig Marlas STW SPS 42 328 97.8
Dwr Cymru Welsh Water Ffrwd Wyllt CSO No 134 Goytre Bryn Afan 95 314 98.1
Dwr Cymru Welsh Water River Llynfi CAERAU ROAD CSO ASSET 52427 MAESTEG 33 312 99.9
Dwr Cymru Welsh Water River Alyn Cwmafan RFC CSO 40 297 97.4
Dwr Cymru Welsh Water River Llynfi Hermon Road CSO Asset 52425 Maesteg 89 287 99.8
Dwr Cymru Welsh Water River Afan CSO No 115 Scotts Yard Cwmafan 31 266 96
Dwr Cymru Welsh Water River Llynfi CSO Caerau Square (Point 10) 108 220 93.3
Dwr Cymru Welsh Water River Llynfi SLAUGHTER HOUSE CSO ASSET 52415 56 215 99.8
Dwr Cymru Welsh Water River Pelenna CSO 103 Under R'Dbr Pontrhydyfen 55 116 95.1
Dwr Cymru Welsh Water Ffrwd Wyllt GLANDYRRRYN CLOSE CSO PORT TALBOT 31 114 99.8
Dwr Cymru Welsh Water River Corrwg CSO 129 Glyncorrwg CSO Glyncorrwg 45 111 98.8
Dwr Cymru Welsh Water Swansea Bay ABBEY SPS BRITISH STEEL SITE 21 89 99.1
Dwr Cymru Welsh Water River Afan Abercregan PS 7 83 29.4
Dwr Cymru Welsh Water River Afan CSO at O/S 54 YNYS STREET 42 64 89.5
Dwr Cymru Welsh Water River Afan CSO 107 Below Alder Terrace Afan 41 57 98.9
Dwr Cymru Welsh Water River Afan CSO NO 126 MOORS ST CULVERT AFAN 22 51 79.1
Dwr Cymru Welsh Water River Afan Britannia Inn CSO, Cwmafan 29 46 78.4
Dwr Cymru Welsh Water Nant Y Twlc CSO at Bridgend Road Garth (Point 23) 39 44 99
Dwr Cymru Welsh Water River Llynfi Church Street CSO, Maesteg 17 32 74.6
Dwr Cymru Welsh Water River Llynfi Via Surface Water Sewer Castle Street CSO 16 22 94
Dwr Cymru Welsh Water River Afan Pontrhydyfen Road Bridge CSO 43 18 97.7
Dwr Cymru Welsh Water River Llynfi CSO at Maesteg Market (Point 18) 8 12 74.3
Dwr Cymru Welsh Water River Cynffig Via Surface Water Sewer Hazel Grove SPS 5 11 99.1
Dwr Cymru Welsh Water Neath Estuary BRITON FERRY SPS INNER DOCK NEATH 3 11 99.7
Dwr Cymru Welsh Water River Llynfi CSO Cwmfelin (Point 26) 16 10 99.3
Dwr Cymru Welsh Water River Afan Afan St CSO 21 9 97.3
Dwr Cymru Welsh Water River Afan CSO 108 REAR 16 MARGAM ST CYMMER 20 7 99.7
Dwr Cymru Welsh Water Neath Estuary GIANTS GRAVE SPS PILL TERRACE 6 6 99.8
Dwr Cymru Welsh Water River Llynfi HEARTS OF OAK COTTAGES (STORM) MA 4 5 99.7
Dwr Cymru Welsh Water River Afan Blaengwnfi Stormwater Overflow Cham 17 5 96.9
Dwr Cymru Welsh Water Neath Estuary GEORGES ROW SPS GEORGES ROW NEATH 4 4 99.8
Dwr Cymru Welsh Water River Llynfi Via Culvert Heol Y Llwyni CSO 8 3 99.4
Dwr Cymru Welsh Water Arnallt Brook CSO 123 MARGAM PS NR BROMBILL ST 1 1 99.8
Dwr Cymru Welsh Water Kenfig/Sea Via Sker Surface Water Sewer HEOL FACH CSO NORTH CORNELLY 3 1 99.2
Dwr Cymru Welsh Water Sea Via Sker Surface Water Sewer South Cornelly Green Avres PS 1 0 99.8
Dwr Cymru Welsh Water River Fach Lon-Y-Caridan CSO 0 0 99.3
Dwr Cymru Welsh Water River Pelenna CSO 117 Playground 3 Morgan Trce 0 0 96.6

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

Follow on Instagram

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

Full Copyright information available at: our GitHub page