River Sirhowy polluted by sewage 970 times in 2023 - lasting 3,480 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Sirhowy in 2023
17 Sites polluted by Dwr Cymru Welsh Water
970 sewage dumps
3,480 h duration
That's 4.83 months. On average 2.7 times a day
Constituencies along River Sirhowy

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Sirhowy 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 River Sirhowy CSO 32075 Opposite Garibaldi Bridge 109 800 99.9
Dwr Cymru Welsh Water River Sirhowy Springfield Est CSO, Pontllanfraith 119 574 97.9
Dwr Cymru Welsh Water River Sirhowy CSO 42 92 Tredegar St Cross Keys 57 560 100
Dwr Cymru Welsh Water River Sirhowy Bottom of Nine Mile Point Colliery CSO 49 324 95.7
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, South of Pochin Crescent 77 226 96.9
Dwr Cymru Welsh Water River Sirhowy CSO OPP 1 DUKESTOWN ROAD TREDEGAR 67 191 100
Dwr Cymru Welsh Water River Sirhowy Tredegar Park Place CSO 105 154 99.2
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, Edward Terrace Nr River Bridge 71 146 99.2
Dwr Cymru Welsh Water River Sirhowy CSO Opposite White Lion Cottages 57 127 99.3
Dwr Cymru Welsh Water River Sirhowy Old Tram Rd CSO, Pontllanfraith 59 113 99.7
Dwr Cymru Welsh Water River Sirhowy A CSO AT REAR OF CHURCH SQ TREDEGAR 54 93 100
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, Railway View, opposite No13 53 50 99.7
Dwr Cymru Welsh Water River Sirhowy CSO 16 Woodfield Row Blackwood 22 44 100
Dwr Cymru Welsh Water River Sirhowy WVTS-Tredegar (MH G57) CSO 18 39 99.6
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, Brompton SSO 1 MH No GN86A 25 21 99.9
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, Vale Terrace R/O 101 U/S Garage 22 11 99.4
Dwr Cymru Welsh Water River Sirhowy Islwyn Rd CSO, Crosskeys 6 1 94.9
Dwr Cymru Welsh Water River Sirhowy CSO at St James Close Maes-Y-Coed,Tredegar 0 0 41.5
Dwr Cymru Welsh Water River Sirhowy CSO at Tredegar, Vale Terrace R/O 123 0 0 72.2
Dwr Cymru Welsh Water River Sirhowy CSO at Hollybush - Ancient Druid 0 0 0
Dwr Cymru Welsh Water River Sirhowy Blackwood 100 Steps CSO 0 0 0
Dwr Cymru Welsh Water River Sirhowy Railway Cottages CSO, Cwmfelinfach 0 0 100

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.