Aberconwy polluted by sewage 2,631 times in 2022 - lasting 21,759 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 Aberconwy in 2022
55 Sites polluted by Dwr Cymru Welsh Water
2,631 sewage dumps
21,759 h duration
That's 2.52 years! On average 7.2 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for Aberconwy 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 River Llugwy Capel Curig Sd.Scheme CSO 202 3,395 100
Dwr Cymru Welsh Water River Lledr Screened Storm Sewage at Dolwyddelan WwTW 153 2,862 100
Dwr Cymru Welsh Water Unnamed Ditch Cwm Penmachno - CSO 143 2,641 99.9
Dwr Cymru Welsh Water River Dulyn Dolgarrog CSO No. 2 127 2,165 100
Dwr Cymru Welsh Water Coastal Waters Of Conwy Bay PENMAENMAWR WWTW PENMAENMAWR 121 1,499 100
Dwr Cymru Welsh Water River Llugwy Mill Rd SPS 76 1,331 100
Dwr Cymru Welsh Water Coastal Waters Of Penrhyn Bay GANOL WWTW (STW) GLAN CONWY CORNER 349 1,275 99.7
Dwr Cymru Welsh Water River Crafnant SPS at Trefriw STW 71 1,020 100
Dwr Cymru Welsh Water River Hiraethlyn Settled Storm Overflow at Eglwysbach Wastewater Treatment Works 53 950 100
Dwr Cymru Welsh Water River Machno LLAN PENMACHNO STW SCREENED CSO 71 851 100
Dwr Cymru Welsh Water River Conwy Settled Storm Storage at Llanrwst STW Llanwrst Conwy 59 634 99.9
Dwr Cymru Welsh Water River Conwy Betws y Coed Golf Club PS 38 485 50.8
Dwr Cymru Welsh Water Conwy Bay DALE ROAD STORM SPS LLANDUDNO 177 404 99.9
Dwr Cymru Welsh Water River Roe CSO at Rowen STW 108 311 100
Dwr Cymru Welsh Water River Conwy Waterloo SPS 31 293 98.2
Dwr Cymru Welsh Water River Conwy SPS at Llanrwst STW Llanrwst Conwy 83 258 99.9
Dwr Cymru Welsh Water River Conwy Dolgarreg Tan Y Fford SPS 42 172 99.9
Dwr Cymru Welsh Water Llanfairfechan LLANFAIRFECHAN - SSO 67 163 49.4
Dwr Cymru Welsh Water Conwy Estuary GLAN CONWY SPS 19 133 99.8
Dwr Cymru Welsh Water Penrhyn Bay Via Surface Water Sewer CSO at Penrhyn Isaf Road 87 122 99.5
Dwr Cymru Welsh Water River Nant-Y-Goron BRYN AFON CSO 53 93 99.6
Dwr Cymru Welsh Water River Conwy DEGANWY PS MARINE CRESCENT DEGANWY 115 88 100
Dwr Cymru Welsh Water River Lledr CSO & SPS Nr 2250 Dolwyddlean 22 88 98.2
Dwr Cymru Welsh Water Penrhyn Bay PENRHYN BAY PS MORFA RD PENRHYN BAY 24 84 100
Dwr Cymru Welsh Water River Conwy CSO NEAR PS NO 2 TREFRIW 44 72 99.9
Dwr Cymru Welsh Water River Llugwy Pentre Ddu CSO, Betws-y-Coed 26 71 98
Dwr Cymru Welsh Water River Conwy Tan Y Fford CSO 43 50 99.9
Dwr Cymru Welsh Water Llanfairfechan LLANFAIRFECHAN SSO NO. 1 41 42 99.4
Dwr Cymru Welsh Water River Conwy Betwys Y Coed Muriau P.S. 26 36 100
Dwr Cymru Welsh Water Conwy Bay WEST SHORE PS ABBEY ROAD LLANDUDNO 12 31 99.6
Dwr Cymru Welsh Water River Wydden GLANWYDDAN PUMPING STATION 8 19 100
Dwr Cymru Welsh Water River Conwy LLANDUDNO JUNCTION PS 13 17 100
Dwr Cymru Welsh Water Coastal Waters PENMAENMAWR PROMENADE PS 11 15 100
Dwr Cymru Welsh Water Coastal Waters Via Sw Culvert STATION ROAD CSO 11 12 100
Dwr Cymru Welsh Water Unnamed Watercourse Tan-y-Fedw CSO, Trefriw (MH No. 104) 5 12 100
Dwr Cymru Welsh Water River Conwy TYWYN PS 16 12 99.9
Dwr Cymru Welsh Water Conwy Estuary MORFA PS MORFA DRIVE MORFA CONWY 11 11 83.9
Dwr Cymru Welsh Water Ganol PENRHYN BAY LLANDUNDNO ROAD - 17 6 96.7
Dwr Cymru Welsh Water River Wydden MARL DRIVE CSO LLANDUDNO JUNCTION 2 2 99.9
Dwr Cymru Welsh Water River Conwy Tyn Y Groes STW - Storm Overflow 8 2 100
Dwr Cymru Welsh Water A Culverted River Conwy Llanwrst CSO 10 2 99.3
Dwr Cymru Welsh Water Conwy Estuary DEGANWY ROAD DEGANWY 6 2 99.8
Dwr Cymru Welsh Water Conway Bay LLANFAIRFECHAN HOSPITAL SPS 2 2 100
Dwr Cymru Welsh Water Gyrach PENMAENMAWR WWTW PENMAENMAWR 7 1 100
Dwr Cymru Welsh Water Unnamed Ditch DEGANWY BEACH SPS 6 1 99.8
Dwr Cymru Welsh Water Unnamed Ditch LLANDUDNO LLANRHOS SPS 4 1 100
Dwr Cymru Welsh Water River Conwy QUAY PS CONWY QUAY CONWY 2 1 99.8
Dwr Cymru Welsh Water Gyffin ST. AGNES ROAD CSO 1 0 100
Dwr Cymru Welsh Water Gyffin HENDRE ROAD SSO 1 0 100
Dwr Cymru Welsh Water River Wydden CONWY ROAD STORM PS 1 0 100
Dwr Cymru Welsh Water River Ganol GANOL STW PS GLAN CONWY CORNER 2 0 99.7
Dwr Cymru Welsh Water River Wydden WOODLANDS P.S WOODLANDS ESTATE MARL 1 0 100
Dwr Cymru Welsh Water Nant Garreg Ddu GLAN Y MOR PUMPING STATION 1 0 34
Dwr Cymru Welsh Water Unnamed Watercourse IND ESTATE LLANDUDNO JUNCTION GLAN 1 0 99.8
Dwr Cymru Welsh Water Un-Named Stream PENRHYN BAY LLANDUNDNO ROAD - 1 0 99.9
Dwr Cymru Welsh Water River Llugwy Betws y Coed WwTW Settled Storm 0 0 99.9
Dwr Cymru Welsh Water Coastal Waters - Penrhyn Bay PENRHYN HILL PENRHYN BAY 0 0 0
Dwr Cymru Welsh Water Estuarial Waters Of River Conwy Gyffin PS Morfa Bach Conwy 0 0 99.8

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.