Here are all the reported sewage overflow totals for Clwyd East in 2023. Sometimes sewage can be being dumped for months at a time.
Reporting refers to how much of the time the monitoring was active. In this constituency 3 of the total 89 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.
Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
---|---|---|---|---|---|
Dwr Cymru Welsh Water | Unnamed W/C | HOLYWELL PEN Y MAES RD/PEN Y M | 179 | 4,079 | 98.2 |
Dwr Cymru Welsh Water | River Clwyd | RUTHIN STW (FINAL) | 82 | 918 | 99.7 |
Dwr Cymru Welsh Water | River Dee | LLANGOLLEN WWTW | 73 | 816 | 99.7 |
Dwr Cymru Welsh Water | River Alun | Leeswood Transfer SPS | 60 | 738 | 100 |
Dwr Cymru Welsh Water | Culverted Of Dee | MOSTYN DOCKS CAR PARK - SSO | 35 | 698 | 48.6 |
Dwr Cymru Welsh Water | Gutter Fawr | LLANASA PS CSO / EO | 58 | 646 | 100 |
Dwr Cymru Welsh Water | River Alyn | MOLD WwTW | 57 | 612 | 99.9 |
Dwr Cymru Welsh Water | River Dee | MARSH FARM PUMPING STATION | 54 | 450 | 98.4 |
Dwr Cymru Welsh Water | Dwr Ial | LLANFAIR DC STW | 84 | 417 | 100 |
Dwr Cymru Welsh Water | River Clwyd | RUTHIN STW (SETTLED STORM) | 36 | 417 | 99.2 |
Dwr Cymru Welsh Water | Wheeler | Nannerch SPS | 126 | 413 | 78 |
Dwr Cymru Welsh Water | Dee | HAND HOTEL GARDENS CSO | 93 | 408 | 100 |
Dwr Cymru Welsh Water | River Camddwr | GWYDDELWERN PS. - EMERGENCY SC | 18 | 324 | 100 |
Dwr Cymru Welsh Water | River Alyn | CSO Mynydd Isa Chambers Lane/Mercia Drive Nr 2 | 102 | 312 | 98.7 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mynydd Isa Wylfa Hill | 70 | 305 | 100 |
Dwr Cymru Welsh Water | Prestatyn Gutter | PRESTATYN SPS MARINE RD EAST | 39 | 281 | 100 |
Dwr Cymru Welsh Water | River Alyn | Settled Storm Overflow at Mold Wastewater Treatment Works | 37 | 280 | 100 |
Dwr Cymru Welsh Water | River Alyn | Llanarmon yn Ial WwTW (Storm) | 81 | 272 | 99.9 |
Dwr Cymru Welsh Water | Nant Y Flint | PENTRE HALKYN SPS | 23 | 249 | 100 |
Dwr Cymru Welsh Water | Ffynnongroew Drain | FFYNNON WEST PS | 16 | 215 | 100 |
Dwr Cymru Welsh Water | River Dee | Park Avenue CSO | 25 | 214 | 100 |
Dwr Cymru Welsh Water | S W Sewer | MYNYDD ISA WATS DYKE AVE PS | 43 | 177 | 99.9 |
Dwr Cymru Welsh Water | Holywell Stream | GREENFIELD PARENT CSO HOLYWELL | 92 | 174 | 97.3 |
Dwr Cymru Welsh Water | Northop Brook | Northop Wastewater Treatment Works Settled Storm | 26 | 141 | 17 |
Dwr Cymru Welsh Water | Sw System | DISCHARGE B 14 FFORDD DDYFRDWY | 12 | 135 | 99.8 |
Dwr Cymru Welsh Water | River Dee | Abbey Road CSO | 51 | 134 | 100 |
Dwr Cymru Welsh Water | River Alyn | Bridge Inn Pumping Station | 11 | 119 | 100 |
Dwr Cymru Welsh Water | River Alyn | Mold Football Club Drice CSO | 9 | 116 | 99.9 |
Dwr Cymru Welsh Water | Surface Water System | MYNYDD ISA MOLD ROAD/MERCIA DR CSO | 44 | 97 | 98 |
Dwr Cymru Welsh Water | River Glanffyddion | DYSERTH STW | 48 | 88 | 100 |
Dwr Cymru Welsh Water | Overflow Via Sewerage System S | PRESTATYN PURBECK PS | 17 | 86 | 100 |
Dwr Cymru Welsh Water | Greenfield Valley | CSO Adjacent A548 Road Bridge | 42 | 82 | 100 |
Dwr Cymru Welsh Water | New Drain | STATION ROAD PS TALACRE | 18 | 74 | 100 |
Dwr Cymru Welsh Water | Prestatyn Gutter | CORONATION GARDENS PS | 24 | 71 | 96.9 |
Dwr Cymru Welsh Water | Llanerchymor Gutter | MOSTYN NEAR FUN SHIP - SSO | 19 | 69 | 50.8 |
Dwr Cymru Welsh Water | River Cylflymen | CSO at THE REAR OF THE TANNERY | 48 | 66 | 100 |
Dwr Cymru Welsh Water | Black Brook | Mold Bryn Awelon - CSO | 17 | 63 | 100 |
Dwr Cymru Welsh Water | Alun | Llanferres SPS | 14 | 60 | 100 |
Dwr Cymru Welsh Water | Prestatyn Gutter | Meliden Holding Tank - CSO | 15 | 55 | 64.6 |
Dwr Cymru Welsh Water | Tref Y Nant Brook | Trefor Isaf - CSO | 28 | 48 | 99.9 |
Dwr Cymru Welsh Water | Tan Lan Drains | CSO at Tanlan Bach Pumping Station | 4 | 45 | 100 |
Dwr Cymru Welsh Water | River Dee | PEN Y MAES PUMPING STATION | 23 | 44 | 96.1 |
Dwr Cymru Welsh Water | Glanfyddian Stream | LOWER DYSERTH PS | 11 | 41 | 100 |
Dwr Cymru Welsh Water | Marsiandwr | TAI TREVOR PS LLANNERCHYMOR | 11 | 37 | 99.9 |
Dwr Cymru Welsh Water | An Open Discharging To Prestatyn Gutter | Dyserth Bay SPS | 6 | 35 | 99.7 |
Dwr Cymru Welsh Water | River Alun | LLANDEGLA CSO , , | 7 | 33 | 99.9 |
Dwr Cymru Welsh Water | River Clwyd | RUTHIN STW (CSO) | 8 | 30 | 100 |
Dwr Cymru Welsh Water | Estuarial Waters Of River Dee | GREENFIELD WWTW (STW) GREENFIELD | 26 | 26 | 100 |
Dwr Cymru Welsh Water | Clwyd | Llandyrnog WWTW | 2 | 24 | 99.9 |
Dwr Cymru Welsh Water | River Alyn | Mold Old St Davids Lane/Bridge St CSO | 9 | 17 | 99.9 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mold Committee's Sewerage System | 24 | 16 | 100 |
Dwr Cymru Welsh Water | River Alyn | Mold Gas Lane CSO | 17 | 15 | 99.9 |
Dwr Cymru Welsh Water | Prestatyn Gutter | PRESTATYN MELIDEN ROAD - SSO | 11 | 15 | 90.9 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mold Gladstone St/Glan Yr Afon Rd | 20 | 14 | 99.9 |
Dwr Cymru Welsh Water | Rhyl Cut | MARINE PARK PS | 3 | 7 | 99.8 |
Dwr Cymru Welsh Water | Overflow Via Sewerage System S | PRESTATYN MALL PS | 3 | 6 | 100 |
Dwr Cymru Welsh Water | Nant Brook Via A Ditch | Leeswood Bethania SPS | 4 | 6 | 99.9 |
Dwr Cymru Welsh Water | River Dee Via Surface Water Sewer | BERWYN STREET CSO | 8 | 6 | 100 |
Dwr Cymru Welsh Water | River Alun | Mynydd Isa Chambers lane/Mercia Drive CSO | 4 | 5 | 99.9 |
Dwr Cymru Welsh Water | River Alyn | PONTBLYDDYN NO 1 PUMPING STATION | 3 | 2 | 100 |
Dwr Cymru Welsh Water | River Dee | WEST STREET CSO | 9 | 2 | 100 |
Dwr Cymru Welsh Water | Gutter Fawr | ARGOED PS | 1 | 1 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | GREENFIELD A548 NR ABBEY MILL | 4 | 1 | 100 |
Dwr Cymru Welsh Water | River Dee | Royal Hotel CSO | 3 | 1 | 100 |
Dwr Cymru Welsh Water | Dolfechlas Brook | Rhydymwyn Wastewater Treatment Works Storm Overflow | 1 | 0 | 99.7 |
Dwr Cymru Welsh Water | River Dee | Llangollen Chruch St CSO | 2 | 0 | 59.6 |
Dwr Cymru Welsh Water | Nant Y Flint | Lygan-Y-Wern Pentre Halkyn SPS | 2 | 0 | 99.9 |
Dwr Cymru Welsh Water | River Alyn | Mold Bryn Coch Lane/Lon Y Parc CSO | 1 | 0 | 99.8 |
Dwr Cymru Welsh Water | River Wheeler | YSCEIFIOG CSO | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Railway Ditch | PRESTATYN NANT HALL PS NANT HALL RO | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Prestatyn Gutter | PRESTATYN SEVEN SISTERS ROAD SPS | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | GWESPYR OLD STW - SSO | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Overflow Via Sewage System Sur | PRESTATYN NANT PS | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Nant Mill Stream | PRESTATYN NANT HALL PS NANT HALL RO | 1 | 0 | 100 |
Dwr Cymru Welsh Water | Surface Water Sewer | Northop Hall CSO | 0 | 0 | 8.7 |
Dwr Cymru Welsh Water | Maescoed Drain | TALACRE STATION ROAD PS | 0 | 0 | 0 |
Dwr Cymru Welsh Water | River Dee | Llangollen Victoria Prom Riverside CSO | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Wepre Brook | Northop Hall SPS | 0 | 0 | 100 |
Dwr Cymru Welsh Water | River Alyn | Mold Argoed CSO | 0 | 0 | 99.3 |
Dwr Cymru Welsh Water | Culverted Of Dee | MOSTYN ARMS PS MOSTYN | 0 | 0 | 100 |
Dwr Cymru Welsh Water | River Y Garth | SWN Y DWR CSO | 0 | 0 | 0 |
Dwr Cymru Welsh Water | River Dee | GREENFIELD IND EST NO 1 HOLYWELL | 0 | 0 | 50.5 |
Dwr Cymru Welsh Water | River Dee | Llangollen Riverside Park Printing Works CSO | 0 | 0 | 90.7 |
Dwr Cymru Welsh Water | River Dee | Llangollen East St CSO | 0 | 0 | 41.7 |
Dwr Cymru Welsh Water | Llandyrnog Drain | LLANDYRNOG STW STORM TANKS D | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | PEN Y FFORDD ADJ PEN Y FFORDD | 0 | 0 | 99.1 |
Dwr Cymru Welsh Water | River Dee Estuary | DISCHARGE A 14 FFORDD DDYFRDWY | 0 | 0 | 90.9 |
Dwr Cymru Welsh Water | Unnamed W/C | HOLYWELL STRAND WALK NR STRAND | 0 | 0 | 100 |
Dwr Cymru Welsh Water | River Wheeler | CROOKED HORN SPS NO 3 BRYNFORD | 0 | 0 | 0 |
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.
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