Monmouth polluted by sewage 1,764 times in 2022 - lasting 14,108 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2022
© Top of the Poops 2021-2023
✔ means we have experimental daily data for 2023
Totals for Monmouth in 2022
32 Sites polluted by Dwr Cymru Welsh Water
1,764 sewage dumps
14,108 h duration
That's 1.63 years! On average 4.8 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for Monmouth in 2022. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water Mynachdy Brook Bryn Y Gwenin SPS Abergavenny 123 2,781 100
Dwr Cymru Welsh Water River Lwyd LLANFRECHFA STORM TANKS PONTHIR 128 1,701 100
Dwr Cymru Welsh Water River Usk GOYTRE SEWAGE TREATMENT WORKS NANT Setteled Storm 101 1,495 100
Dwr Cymru Welsh Water Mounton Brook Pwllmeyric SPS (CSO) 61 1,401 24.2
Dwr Cymru Welsh Water Clawdd Brook CSO at Great Oak STW 61 821 99.8
Dwr Cymru Welsh Water River Usk Llangybi STW Llangybi Usk Settled Storm 125 734 97.8
Dwr Cymru Welsh Water River Usk Usk STW Settled Storm 106 677 99.7
Dwr Cymru Welsh Water Clydach River CLYDACH CSO 68 659 100
Dwr Cymru Welsh Water River Usk Settled Storm Sewage Tanks at Pandy WwTW 52 580 100
Dwr Cymru Welsh Water River Wye Tintern Main SPS 210 521 100
Dwr Cymru Welsh Water River Wye Settled Storm Sewage from Monmouth WwTW 62 431 99.9
Dwr Cymru Welsh Water River Usk Settled Storm Sewage from Llanfoist Wastewater Treatment Works 55 393 100
Dwr Cymru Welsh Water River Clydach Maesygwartha SPS and CSO 36 389 25.5
Dwr Cymru Welsh Water River Honddu CSO at Pandy WWTW 39 304 100
Dwr Cymru Welsh Water River Wye Estuary Chepstow North Fairfield SPS 78 294 100
Dwr Cymru Welsh Water Usk River ABERBAIDEN STW MONMOUTH 51 268 99.9
Dwr Cymru Welsh Water Berthin Brook Little Mill CSO, Panty Pwdin 26 123 99.7
Dwr Cymru Welsh Water River Usk Mill Street Screens CSO Abergaven 50 91 100
Dwr Cymru Welsh Water River Lwyd Chapel Lane CSO 34 90 99.8
Dwr Cymru Welsh Water River Wye Estuary Chepstow North SPS The Back 67 67 99.8
Dwr Cymru Welsh Water River Wye Monmouth 2 CSO 38 58 99.8
Dwr Cymru Welsh Water Rivr Wye WARREN SLADE SEWAGE PUMPING STATION 3 57 98.9
Dwr Cymru Welsh Water River Wye Thornwell Road CSO 37 34 93.9
Dwr Cymru Welsh Water River Wye CSO at Welsh Street Chepstow 43 32 100
Dwr Cymru Welsh Water River Lwyd Via Culvert And Unnamed Watercourse Rear of 15 Llwyn Onn CSO Croesyceiliog 24 26 91.2
Dwr Cymru Welsh Water Nant Y Wilcae RAGLAN STW CHEPSTOW ROAD RAGLAN 12 19 100
Dwr Cymru Welsh Water River Lwyd 7 Olway Close CSO, Llanyravon 25 18 100
Dwr Cymru Welsh Water Mounton Brook Mathern SPS 2 10 100
Dwr Cymru Welsh Water River Monnow CSO at Monmouth Town Pumping Station 14 8 100
Dwr Cymru Welsh Water River Clydach Glangrwyney Rd CSO, Gilwern 23 7 99.3
Dwr Cymru Welsh Water River Wye Raglan Way CSO 9 4 96.1
Dwr Cymru Welsh Water River Lwyd 103 Beaumaris Drive Cwmbran CSO 1 0 99.9
Dwr Cymru Welsh Water River Lwyd 2 Llangorse Road CSO Llanyravon 0 0 97.5
Dwr Cymru Welsh Water Nant Wilcae Raglan CSO No. 1 0 0 0
Dwr Cymru Welsh Water Olway Brook RAILWAY COTTAGE CSO 0 0 100
Dwr Cymru Welsh Water River Lwyd 3 Olway close CSO Llanyravon 0 0 0
Dwr Cymru Welsh Water River Wye Estuary Chepstow South SPS Hunger Pill STW 0 0 0
Dwr Cymru Welsh Water Blaen Bran Brook Llanfrechra Rose Cottage CSO 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

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.