Coastal Waters polluted by sewage 480 times in 2023 - lasting 5,267 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for Coastal Waters in 2023
12 Sites polluted by Dwr Cymru Welsh Water
480 sewage dumps
5,267 h duration
That's 7.32 months. On average 1.3 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for Coastal Waters in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water Coastal Waters FAIRBOURNE WWTW STORM TANKS 141 2,626 100
Dwr Cymru Welsh Water Coastal Waters PENSARN SPS ABERGELE STORM 115 1,020 99.9
Dwr Cymru Welsh Water Coastal Waters BENLLECH WWTW (STW) LSO BENLLECH 88 633 100
Dwr Cymru Welsh Water Coastal Waters CRICCIETH EAST PS , , 41 470 89.8
Dwr Cymru Welsh Water Coastal Waters Llwyngwril SPS 39 363 95.4
Dwr Cymru Welsh Water Coastal Waters MOELFRE PS MOELFRE 27 75 100
Dwr Cymru Welsh Water Coastal Waters RHOSNEIGR STW (SETTLED STORM/EMERGE 5 28 66.1
Dwr Cymru Welsh Water Coastal Waters ROCK STREET PS NEW QUAY 5 27 100
Dwr Cymru Welsh Water Coastal Waters PENMAENMAWR PROMENADE PS 15 19 99.9
Dwr Cymru Welsh Water Coastal Waters TENBY LIFEBOAT CSO CASTLE SQ TENBY 2 1 100
Dwr Cymru Welsh Water Coastal Waters COVENTRY CAMP SPS STORM 1 0 100
Dwr Cymru Welsh Water Coastal Waters CYNLAI PS LLANGOED ANGLESEY 1 0 100
Dwr Cymru Welsh Water Coastal Waters WENDON CAR PARK PS BENLLECH , , , 0 0 0
Dwr Cymru Welsh Water Coastal Waters Llaneilian SPS 0 0 0

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.