Islwyn polluted by sewage 1,850 times in 2022 - lasting 9,179 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 Islwyn in 2022
38 Sites polluted by Dwr Cymru Welsh Water
1,850 sewage dumps
9,179 h duration
That's 1.06 years! On average 5.1 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for Islwyn 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 Ebbw Tanybryn Risca CSO, Pontymister 90 1,096 99.1
Dwr Cymru Welsh Water River Rhymney Tredomen AFC CSO, Ystrad Mynach 94 1,013 100
Dwr Cymru Welsh Water Sirhowy River CSO 20 OLD MILL NEWPORT ROAD 111 953 98.5
Dwr Cymru Welsh Water River Ebbw Crosskeys Waunfawr Park CSO 85 947 99.1
Dwr Cymru Welsh Water River Rhymney CSO at Glan-yr-Afon Nursing Home No2, Pengam 96 914 99.9
Dwr Cymru Welsh Water Ebbw River CSO 36 CWMCARN HIGH SCHOOL CHAPEL F 64 553 99.5
Dwr Cymru Welsh Water River Bargoed Bedwellty Road CSO 142 551 95.9
Dwr Cymru Welsh Water River Sirhowy CSO 42 92 Tredegar St Cross Keys 38 437 100
Dwr Cymru Welsh Water River Sirhowy Springfield Est CSO, Pontllanfraith 83 409 93.2
Dwr Cymru Welsh Water River Rymney MAESYCWMMER A472 JUNCTION CSO 74 406 99.4
Dwr Cymru Welsh Water River Rhymney CSO at Glan-yr-Afon Nursing Home 1 101 303 99
Dwr Cymru Welsh Water Sirhowy River CSO 19 Gryphonn Concrete Products 70 237 99.9
Dwr Cymru Welsh Water River Sirhowy Bottom of Nine Mile Point Colliery CSO 41 218 99.5
Dwr Cymru Welsh Water River Rhymney TRELYN LANE CSO FLEUR-DE-LIS 33 177 74.1
Dwr Cymru Welsh Water Nant Carn Brook Pontywaun CSO, Newport 60 140 97.3
Dwr Cymru Welsh Water Sirhowy River Blackwood Oakdale Rhiw Hill CSO 72 123 99.2
Dwr Cymru Welsh Water River Sirhowy Old Tram Rd CSO, Pontllanfraith 55 91 99.7
Dwr Cymru Welsh Water River Ebbw CSO 33 REAR BRYNGWYN ROAD/HIGH ST 56 86 89.7
Dwr Cymru Welsh Water Sirhowy River Blackwood Cwmgelli CSO 50 82 92.1
Dwr Cymru Welsh Water Ebbw Fawr CRUMLIN SWFFRYD CSO CAERPHILLY 73 75 100
Dwr Cymru Welsh Water River Rhymney CSO Opposite Bowen Ind Estate, Aberbargoed 45 63 99.6
Dwr Cymru Welsh Water River Rhymney CSO at Pengham High St near Bridge 44 62 98.1
Dwr Cymru Welsh Water River Sirhowy CSO 16 Woodfield Row Blackwood 30 46 100
Dwr Cymru Welsh Water Sirhowy River WVTS-WYLLIE HALT SSO 43 46 98.7
Dwr Cymru Welsh Water Sirhowy River WVTS - Wattsville (Recreation Ground) CSO 34 37 96.9
Dwr Cymru Welsh Water Sirhowy River CSO CWM ROAD ARGOED CAERPHILLY 17 25 97.5
Dwr Cymru Welsh Water Sirhowy River Markham Colliery Gun Club CSO 14 23 100
Dwr Cymru Welsh Water Nant Gwyddon Via Surface Water Sewer And A Culvert High Street CSO, Abercarn 30 15 100
Dwr Cymru Welsh Water River Ebbw S/O 108 Commercial St, Risca CSO 34 12 97.5
Dwr Cymru Welsh Water River Sirhowy Islwyn Rd CSO, Crosskeys 14 10 62.3
Dwr Cymru Welsh Water River Rhymney CSO ASSET NO 90411 PENGAM 25 8 99.8
Dwr Cymru Welsh Water River Bargoed 63 Bedwellty Rd CSO 11 2 96.7
Dwr Cymru Welsh Water River Ebbw WVTS - NEWBRIDGE CSO CAERPHILLY 8 2 100
Dwr Cymru Welsh Water Ebbw Fawr River 21 Gladstone St CSO, Crosskeys 7 1 97.1
Dwr Cymru Welsh Water River Ebbw MALVERN TERRACE CSO 2 0 100
Dwr Cymru Welsh Water River Sirhowy Railway Cottages CSO, Cwmfelinfach 2 0 100
Dwr Cymru Welsh Water River Ebbw R/O Cobden St CSO, Crosskeys 1 0 100
Dwr Cymru Welsh Water River Ebbw WVTS-North Celynen Colliery CSO 1 0 99.8
Dwr Cymru Welsh Water River Rhymney Aberbargoed CSO 0 0 63.8
Dwr Cymru Welsh Water Rhynys Brook Rifleman St CSO, Risca 0 0 99.9
Dwr Cymru Welsh Water Rhymney Bargoed Colliery CSO 0 0 95.2
Dwr Cymru Welsh Water River Rhymney CSO at Hengoed Carlton Heights Nursing Home 0 0 100
Dwr Cymru Welsh Water River Sirhowy CSO at Hollybush - Ancient Druid 0 0 0
Dwr Cymru Welsh Water River Rhymney CSO at Trelyn Park 0 0 100
Dwr Cymru Welsh Water River Rhymney OLD PRINCE ALBERT HOTEL HENGOED 0 0 100
Dwr Cymru Welsh Water Rhynys Brook 4 Tredegar Terrace CSO 0 0 100
Dwr Cymru Welsh Water River Rhymney Rear of Williams St CSO 0 0 100
Dwr Cymru Welsh Water River Sirhowy Blackwood 100 Steps 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.

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