Llanelli polluted by sewage 1,856 times in 2022 - lasting 12,748 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 Llanelli in 2022
55 Sites polluted by Dwr Cymru Welsh Water
1,856 sewage dumps
12,748 h duration
That's 1.48 years! On average 5.1 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for Llanelli 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 Gwendraeth Fawr Settled Storm Overflow at Pontyberem Wastewater Treatment Works 139 2,417 99.9
Dwr Cymru Welsh Water River Morlais LLANON STW 151 2,390 73.4
Dwr Cymru Welsh Water River Gwili Storm Overflow at Llanedi Wastewater Treatment Works 259 1,762 100
Dwr Cymru Welsh Water Gwendraeth Fawr Trimsaran Waste Water Treatement Works Settled Storm 104 1,634 100
Dwr Cymru Welsh Water River Gwili CROSSHANDS WWTW 112 646 100
Dwr Cymru Welsh Water Unknown Loughor Estuary PEMBREY WWTW CSO 49 427 99.7
Dwr Cymru Welsh Water River Dafen East of Kingfisher Court CSO 25 392 96.9
Dwr Cymru Welsh Water Gwendraeth Fawr Pontyberem No2 SPS 49 342 100
Dwr Cymru Welsh Water River Loughor PEN Y BANC CSO 40 ON HENDRE SEWER 77 330 97
Dwr Cymru Welsh Water Loughor Estuary LLANELLI WWTW BERWICK ROAD BYNEA 53 301 99.9
Dwr Cymru Welsh Water Nant Mwrwg CSO at Rear of Trio Engineer'g Llangennech 69 273 94.9
Dwr Cymru Welsh Water Burry Port Harbour Via Drain Ahshburnham SPS CSO 19 230 100
Dwr Cymru Welsh Water River Dafen St Michael’s Church CSO 21 225 98.7
Dwr Cymru Welsh Water Gwendraeth Fawr Clos Isaf CSO, Drefach 59 207 100
Dwr Cymru Welsh Water Nant Y Gro CSO at Trimsaran WWTW Spudder Bridge Road 132 148 100
Dwr Cymru Welsh Water River Loughor Combined Sewer Overflow 15 40 138 64.9
Dwr Cymru Welsh Water Nant Mwrwg Tidal SSO LLANGENNECH PS CARMS 58 112 99.5
Dwr Cymru Welsh Water River Morlais CSO at 250 M DOWN STREAM OF GLAN-YR-AFON 40 95 100
Dwr Cymru Welsh Water Of Gwendraeth Fach TYCOCH SEWAGE PUMPING STATION KIDW 41 93 78.4
Dwr Cymru Welsh Water Gwendraeth Fawr New Lodge Inn CSO Pontyberem Carm 25 92 53.6
Dwr Cymru Welsh Water Gwendraeth Fach GARREG SPS LLANGADOG KIDWELLY 26 91 100
Dwr Cymru Welsh Water Unnamed Canal To Tywi Estuary SWO. BURRY PORT AREA - INTO O 46 73 100
Dwr Cymru Welsh Water River Dafen CSO at Heol Cropin SPS 6 44 99.6
Dwr Cymru Welsh Water An Barnaby Pil Burry Port Sewage Pumping Station 8 39 100
Dwr Cymru Welsh Water Pîl Dafen CSO 49 Tir Einon, Llwynhendy 27 31 88.7
Dwr Cymru Welsh Water Swan Pool Drain LINKS PEMBREY PS EMERG , , 10 28 99.8
Dwr Cymru Welsh Water River Gwili CSO At Hendy On Left Bank Of River 42 24 99.7
Dwr Cymru Welsh Water Gwendraeth Fawr 27 RHOSNEWYDD MAESYGWERN CSO TUMBLE 28 22 90.7
Dwr Cymru Welsh Water River Loughor Estuary SSO. NORTHUMBERLAND OUTFALL 15 22 100
Dwr Cymru Welsh Water Gwendraeth Fawr PONT HENRI INCLINE INN CSO 9 21 100
Dwr Cymru Welsh Water River Gwili Bryngwili Rd CSO, Hendy 15 15 99.9
Dwr Cymru Welsh Water Tidal Nant Mwrwg LLANGENNECH P.STN.SSO LLANELLI 3 10 98.6
Dwr Cymru Welsh Water Loughor Outer Cambrian Street P.S. SSO 10 9 100
Dwr Cymru Welsh Water Barnaby Pil CSO Behind 8 Pwll Road, Pwll 7 7 100
Dwr Cymru Welsh Water River Dulais YARD BRIDGE CSO SANDY RD PWLL LLAN 9 6 66.9
Dwr Cymru Welsh Water Gwendraeth Fach Estuary SSO AT STATION ROAD P.S. KIDWELLY 14 6 100
Dwr Cymru Welsh Water Gwendraeth Fach Estuary SSO AT STATION ROAD P.S. KIDWELLY 14 6 100
Dwr Cymru Welsh Water River Dafen Havard Road CSO 9 3 96.1
Dwr Cymru Welsh Water Nant Dyfaty Heol Ddu SPS 2 3 100
Dwr Cymru Welsh Water River Lliedi Llanelli - Head Post Office CSO 5 3 43
Dwr Cymru Welsh Water River Loughor Ynys Tomenlle CSO Iscoed R'd Hendy 4 3 100
Dwr Cymru Welsh Water River Dulais SANDY SPS (A484 o/s gate to Sandy PS) 4 3 94.7
Dwr Cymru Welsh Water Tidal Pill Of Loughor Estuary Bynea Sewage pumping Station 1 2 99.9
Dwr Cymru Welsh Water Un HEOL HEN CSO LLWYNHENDY LLANELLI 2 1 100
Dwr Cymru Welsh Water Surf W System To River Dafen ST GEORGE COTTAGES CSO COEDCAE 3 1 83.5
Dwr Cymru Welsh Water Disused Canal Ashburnham Road CSO 2 0 99.9
Dwr Cymru Welsh Water River Lliedi CSO BELOW ANDREW STREET BRIDGE LLAN 2 0 100
Dwr Cymru Welsh Water River Loughor Estuary PWLL SEWAGE PUMPING STATION CARMS 2 0 99.7
Dwr Cymru Welsh Water River Lliedi SWO.BELOW PENYFAN QUARRY(S158) LLAN 2 0 60.1
Dwr Cymru Welsh Water Of River Dafen LLWYNUHILWG PS EMERG , , 2 0 100
Dwr Cymru Welsh Water River Dafen Halfway Area CSO, Y Llwyn, Coedcae 1 0 100
Dwr Cymru Welsh Water Drain Leading To River Loughor DYFATTY PARK SPS, BURRY PORT 1 0 100
Dwr Cymru Welsh Water Gwendraeth Fawr CSO at Access Road To Pontyberem STW 1 0 99.9
Dwr Cymru Welsh Water Nant Dyfatty CWM CAPEL PS BURRY PORT 1 0 100
Dwr Cymru Welsh Water Barnaby Pil Bryn Avenue CSO 1 0 100
Dwr Cymru Welsh Water River Lliedi BUCKLEYS CELLAR CSO LLANELLI 0 0 99.2
Dwr Cymru Welsh Water Nant Glas Waungoch SPS CSO 0 0 100
Dwr Cymru Welsh Water River Lliedi HEOL GOFFA ROAD CSO LLANELLI CARMS 0 0 90.6
Dwr Cymru Welsh Water Unnamed Stream To Outer Harbou SHORELINE PS BURRY PORT 0 0 100
Dwr Cymru Welsh Water River Gwili Hendy SPS 0 0 100
Dwr Cymru Welsh Water Nant Dyfatty CHURCH ROAD CSO BURRY PORT LLANELLI 0 0 86.9
Dwr Cymru Welsh Water River Morlais HEOL WAUN Y CLUN CSO TRIMSARAN 0 0 100
Dwr Cymru Welsh Water River Gwili Cwmtawel Wastewater Treatment Works Inlet Storm Overflow (CSO) 0 0 99.9
Dwr Cymru Welsh Water River Lliedi Llanelli - O/S Thomas Brothers CSO 0 0 100
Dwr Cymru Welsh Water River Dafen HALFWAY PS DAFEN LLANELLI CARMS 0 0 100
Dwr Cymru Welsh Water River Lliedi CSO at 52 Maestir, Llanelli 0 0 100
Dwr Cymru Welsh Water River Dafen Via Surface Water Culvert Pencae Terrace CSO 0 0 100

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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