Here are all the reported sewage overflow totals for Delyn 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 | Pentre Ffwrdan Stream | Flint Mountain SPS | 73 | 976 | 100 |
Dwr Cymru Welsh Water | River Dee | MARSH FARM PUMPING STATION | 42 | 516 | 99.7 |
Dwr Cymru Welsh Water | Northop Brook | Northop Wastewater Treatment Works Settled Storm | 38 | 392 | 99.5 |
Dwr Cymru Welsh Water | River Alyn | Settled Storm Overflow at Mold Wastewater Treatment Works | 47 | 368 | 99.9 |
Dwr Cymru Welsh Water | River Alun | Leeswood Transfer SPS | 33 | 358 | 100 |
Dwr Cymru Welsh Water | River Dee Estuary | Settled Storm Sewage at Flint WwTW | 39 | 266 | 100 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mynydd Isa Wylfa Hill | 54 | 148 | 100 |
Dwr Cymru Welsh Water | Gutter Fawr | LLANASA PS CSO / EO | 21 | 146 | 100 |
Dwr Cymru Welsh Water | River Alyn | CSO Mynydd Isa Chambers Lane/Mercia Drive Nr 2 | 61 | 134 | 99.4 |
Dwr Cymru Welsh Water | Sw System | DISCHARGE B 14 FFORDD DDYFRDWY | 11 | 120 | 99.4 |
Dwr Cymru Welsh Water | River Dee | PEN Y MAES PUMPING STATION | 28 | 116 | 99.4 |
Dwr Cymru Welsh Water | Holywell Stream | GREENFIELD PARENT CSO HOLYWELL | 70 | 110 | 97.7 |
Dwr Cymru Welsh Water | Wheeler | Nannerch SPS | 25 | 109 | 97.5 |
Dwr Cymru Welsh Water | Nant Y Flint | PENTRE HALKYN SPS | 12 | 104 | 100 |
Dwr Cymru Welsh Water | Ffynnongroew Drain | FFYNNON WEST PS | 11 | 100 | 99 |
Dwr Cymru Welsh Water | S W Sewer | MYNYDD ISA WATS DYKE AVE PS | 31 | 81 | 100 |
Dwr Cymru Welsh Water | Dee Estuary | BAGILLT WEST SPS BAGILLT | 38 | 80 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | FLINT IN GARDEN 102 MAES GWYN | 73 | 71 | 82.4 |
Dwr Cymru Welsh Water | Surface Water System | MYNYDD ISA MOLD ROAD/MERCIA DR CSO | 38 | 58 | 97.5 |
Dwr Cymru Welsh Water | Pentre Ffwrndan Drain | Oakenholt Main SPS | 9 | 53 | 99.8 |
Dwr Cymru Welsh Water | Stream To River Dee | BOOT & SHIP PS , , | 8 | 43 | 99.5 |
Dwr Cymru Welsh Water | Greenfield Valley | CSO Adjacent A548 Road Bridge | 25 | 40 | 100 |
Dwr Cymru Welsh Water | Dee Estuary | BAGILLT EAST SPS | 11 | 28 | 100 |
Dwr Cymru Welsh Water | Estuarial Waters Of River Dee | GREENFIELD WWTW (STW) GREENFIELD | 16 | 27 | 100 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mold Committee's Sewerage System | 33 | 26 | 100 |
Dwr Cymru Welsh Water | Black Brook | Mold Bryn Awelon - CSO | 21 | 25 | 100 |
Dwr Cymru Welsh Water | Tan Lan Drains | CSO at Tanlan Bach Pumping Station | 4 | 23 | 100 |
Dwr Cymru Welsh Water | River Wheeler | CROOKED HORN SPS NO 3 BRYNFORD | 23 | 18 | 75.3 |
Dwr Cymru Welsh Water | River Y Garth | SWN Y DWR CSO | 8 | 16 | 72.3 |
Dwr Cymru Welsh Water | Llanerchymor Gutter | MOSTYN NEAR FUN SHIP - SSO | 8 | 13 | 56.5 |
Dwr Cymru Welsh Water | Dee Estuary | FLINT BARDYN PS , , | 32 | 13 | 98.1 |
Dwr Cymru Welsh Water | Dee | FLINT DEE COTTAGES PS | 14 | 11 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | HOLYWELL PEN Y MAES RD/PEN Y M | 29 | 11 | 99.7 |
Dwr Cymru Welsh Water | New Drain | STATION ROAD PS TALACRE | 2 | 10 | 92.7 |
Dwr Cymru Welsh Water | River Alyn | CSO at Mold Gladstone St/Glan Yr Afon Rd | 22 | 6 | 99.9 |
Dwr Cymru Welsh Water | Marsiandwr | TAI TREVOR PS LLANNERCHYMOR | 4 | 5 | 100 |
Dwr Cymru Welsh Water | River Dee | GREENFIELD IND EST NO 1 HOLYWELL | 4 | 3 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | BAGILLT STATION ROAD - SSO | 5 | 3 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | BAGILLT GREENACRE DRIVE - SSO | 11 | 3 | 99.6 |
Dwr Cymru Welsh Water | Swinchiard Brook | FLINT STW (THE MEADOWS) , , | 3 | 3 | 100 |
Dwr Cymru Welsh Water | River Dee Estuary | DISCHARGE A 14 FFORDD DDYFRDWY | 9 | 3 | 94.5 |
Dwr Cymru Welsh Water | Unnamed W/C | PEN Y FFORDD ADJ PEN Y FFORDD | 5 | 2 | 90.4 |
Dwr Cymru Welsh Water | River Alyn | Mold Old St Davids Lane/Bridge St CSO | 2 | 1 | 100 |
Dwr Cymru Welsh Water | River Wheeler | YSCEIFIOG CSO | 2 | 1 | 99.9 |
Dwr Cymru Welsh Water | Wepre Brook | Northop Hall SPS | 2 | 1 | 99.5 |
Dwr Cymru Welsh Water | Nant Y Flint | Lygan-Y-Wern Pentre Halkyn SPS | 3 | 1 | 99.5 |
Dwr Cymru Welsh Water | Unnamed W/C | GREENFIELD A548 NR ABBEY MILL | 3 | 0 | 100 |
Dwr Cymru Welsh Water | River Alyn | Mold Gas Lane CSO | 3 | 0 | 99.9 |
Dwr Cymru Welsh Water | River Alyn | Mold Football Club Drice CSO | 2 | 0 | 100 |
Dwr Cymru Welsh Water | Unnamed Watercourse | Bagillt verge off Manor Drive CSO | 2 | 0 | 89 |
Dwr Cymru Welsh Water | Culverted Of Dee | MOSTYN DOCKS CAR PARK - SSO | 1 | 0 | 18.6 |
Dwr Cymru Welsh Water | River Alun | Mynydd Isa Chambers lane/Mercia Drive CSO | 2 | 0 | 100 |
Dwr Cymru Welsh Water | River Alyn | Bridge Inn Pumping Station | 2 | 0 | 99.6 |
Dwr Cymru Welsh Water | Unnamed W/C | BAGILLT TYDDYN MESHAM LANE - SSO | 1 | 0 | 32.3 |
Dwr Cymru Welsh Water | Nant Brook Via A Ditch | Leeswood Bethania SPS | 0 | 0 | 100 |
Dwr Cymru Welsh Water | River Alyn | Mold Argoed CSO | 0 | 0 | 99.4 |
Dwr Cymru Welsh Water | River Alyn | Mold Bryn Coch Lane/Lon Y Parc CSO | 0 | 0 | 99.8 |
Dwr Cymru Welsh Water | Gutter Fawr | ARGOED PS | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Unnamed W/C | GWESPYR OLD STW - SSO | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Surface Water Sewer | Northop Hall CSO | 0 | 0 | 7.1 |
Dwr Cymru Welsh Water | Unnamed Watercourse | MERLLYN LANE BAGILLT | 0 | 0 | 99.2 |
Dwr Cymru Welsh Water | Unnamed W/C | HOLYWELL STRAND WALK NR STRAND | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Maescoed Drain | TALACRE STATION ROAD PS | 0 | 0 | 0 |
Dwr Cymru Welsh Water | River Alyn | PONTBLYDDYN NO 1 PUMPING STATION | 0 | 0 | 99.5 |
Dwr Cymru Welsh Water | Culverted Of Dee | MOSTYN ARMS PS MOSTYN | 0 | 0 | 99 |
Dwr Cymru Welsh Water | Dolfechlas Brook | Rhydymwyn Wastewater Treatment Works Storm Overflow | 0 | 0 | 100 |
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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