Carmarthen East and Dinefwr polluted by sewage 7,103 times in 2022 - lasting 60,430 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 Carmarthen East and Dinefwr in 2022
102 Sites polluted by Dwr Cymru Welsh Water
7,103 sewage dumps
60,430 h duration
That's 6.99 years! On average 19.5 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for Carmarthen East and Dinefwr 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 Marlas Settled Storm Overflow at Carmel Wastewater Treatment Works 226 3,900 99.9
Dwr Cymru Welsh Water River Marlais CSO 6 NR BRYN MARLAIS FARM 193 3,271 99.8
Dwr Cymru Welsh Water River Lash PENYGROES WWTW SSO PONTLASH 167 2,809 99.9
Dwr Cymru Welsh Water River Y Bantwen Settled Storm Overflow at Llanddarog Wastewater Treatment Works 132 2,700 100
Dwr Cymru Welsh Water River Loughor CSO 14/43 PONT Y CLERC Rd AMMANFORD 120 2,252 99.8
Dwr Cymru Welsh Water River Bran LLANDOVERY WASTEWATER TREATMENT 136 2,244 100
Dwr Cymru Welsh Water River Teifi CSO at Pentrecwrt STW 265 2,216 98.5
Dwr Cymru Welsh Water River Bargoed Llysnewydd SPS 108 2,064 100
Dwr Cymru Welsh Water River Tyweli PENCADER STW STORM TANKS 101 2,015 100
Dwr Cymru Welsh Water River Gwenlais Storm Overflow at Cilycwm Wastewater Treatment Works 270 1,776 100
Dwr Cymru Welsh Water River Sannan LLANFYNYDD STW 173 1,738 100
Dwr Cymru Welsh Water River Towy CSO at FFAIRFACH STW 120 1,722 99.5
Dwr Cymru Welsh Water River Myddyfi SALEM STW Settled Storm 124 1,691 99.8
Dwr Cymru Welsh Water River Sawdde LLANGADOG STW 122 1,519 100
Dwr Cymru Welsh Water Marlais BRECHFA STW - EMERGENCY DISCHA 102 1,476 100
Dwr Cymru Welsh Water River Marlas McKays Crossing CSO 97 1,335 99.4
Dwr Cymru Welsh Water River Dulias MYNNYDD CERRIG PUMPING STATION 92 1,245 100
Dwr Cymru Welsh Water River Amman CSO 33 5M DOWNSTREAM OF PIPE BRIDGE 90 1,082 100
Dwr Cymru Welsh Water River Gwili 100M D/S R'DBR CWMGWILI (CSO) CARMS 119 1,031 100
Dwr Cymru Welsh Water River Tywi Ashfield Road P.S. Ashfield Llangado 70 1,020 99.6
Dwr Cymru Welsh Water River Marlais CSO 4 Manhole 225A Adj 3 Rawlings 57 960 100
Dwr Cymru Welsh Water Nant Rhydian-Ddu Porthyrhyd PS 77 958 100
Dwr Cymru Welsh Water River Teifi Via An Un- Llanybydder CSO 90 884 100
Dwr Cymru Welsh Water River Mamog CAPEL IWAN STW 54 860 99.9
Dwr Cymru Welsh Water River Teifi Emlyn Arms CSO Newcastle Emlyn 312 847 99.6
Dwr Cymru Welsh Water River Loughor CSO 16 PANTYFFYNON RAILWAY BRIDGE 92 838 100
Dwr Cymru Welsh Water Ferryside Stream FERRYSIDE STW FERRYSIDE CARMS 91 766 100
Dwr Cymru Welsh Water River Amman CSO Near 11 Upper Station Rd 90 728 95.2
Dwr Cymru Welsh Water River Amman CSO 28 AT MANHOLE 89 NR AMMAN RFC 84 720 100
Dwr Cymru Welsh Water River Marlais 29 Aberlash Rd CSO, Llandybie 51 655 100
Dwr Cymru Welsh Water River Cothi PONTARGOTHI P.S.EMERG. 48 573 99.9
Dwr Cymru Welsh Water Gwendraeth Fawr BLAENHIRWAUN CSO CEFNEITHIN 98 544 99.9
Dwr Cymru Welsh Water River Bran CYNGHORDY WWTW INLET STORM OVERFLOW 113 516 100
Dwr Cymru Welsh Water Nant Y Ci CSO 9 10 METRES DOWNSTREAM - BRIDGE 97 508 99.8
Dwr Cymru Welsh Water Llansaint Stream LLANSAINT WWTW LLANSAINT FERRYSIDE 26 485 99.8
Dwr Cymru Welsh Water River Teifi CENARTH PS 47 469 100
Dwr Cymru Welsh Water Cloidach CSO at Felingwm Wastewater Treatment Works 108 458 100
Dwr Cymru Welsh Water River Amman CS0 34 100M DOWNSTREAM OF BRIDGE 56 448 100
Dwr Cymru Welsh Water Nant Y Wrach CAERBRYN R'D CSO PENYGROES CARMS 81 446 100
Dwr Cymru Welsh Water River Teify CSO and SPS at LLANBYTHER (MANHOLE 7 )EMERGEN 55 405 74.7
Dwr Cymru Welsh Water Unnamed Stream Ty Hen Rhos PS 61 399 99.8
Dwr Cymru Welsh Water River Amman CSO 37, Manhole 24B, Betws Rd Bridge 94 390 99.3
Dwr Cymru Welsh Water River Brake Albion SPS 80 383 100
Dwr Cymru Welsh Water Gwendraeth Fawr Parc y Dai CSO 64 364 98.8
Dwr Cymru Welsh Water River Towy Golden Grove WwTW Inlet CSO Llandie 92 338 99.2
Dwr Cymru Welsh Water Nant Cwm Croes Y Ceiliog IDOLE CWMFFRWD SEWERAGE SCHEME 49 317 99.9
Dwr Cymru Welsh Water River Loughor Penybanc Rd 2 CSO 85 314 99.9
Dwr Cymru Welsh Water Loughor - Conf With Marlais To Conf With Aman Nant Arw CSO, Capel Hendre 57 307 100
Dwr Cymru Welsh Water Nant Gurrey Fach Sawmills Y'd CSO Llandeilo Carmarthen 41 304 98.3
Dwr Cymru Welsh Water Un To River Bran Myddfai Village Sewerage Scheme CSO 127 301 100
Dwr Cymru Welsh Water River Gwili Abergwili SPS 80 295 99.5
Dwr Cymru Welsh Water River Bantwen LLANDDAROG PS EO CWMISFAEL CARMS 56 277 100
Dwr Cymru Welsh Water River Amman CSO 36 Manhole 31c Opp Bettws Pk 122 272 99.7
Dwr Cymru Welsh Water Gwendraeth Fawr Tom Jones Nursery CSO 65 253 99.8
Dwr Cymru Welsh Water River Bran Llandovery No1 SPS 86 237 100
Dwr Cymru Welsh Water River Tywi Llansadwrn SPS 27 227 100
Dwr Cymru Welsh Water Nant Alltwalis ALLTWALIS PS 45 211 100
Dwr Cymru Welsh Water River Amman CSO 21 NR FORGE WASHERY BRYNAMMAN 101 202 99.9
Dwr Cymru Welsh Water Gwendraeth Fawr SOC4 PONTYATES AREA CSO 42 195 100
Dwr Cymru Welsh Water Unknown Of River Towy Carmarthen - Sticle Path 78 186 99.5
Dwr Cymru Welsh Water Gwendraeth Fawr Parc Y Dai No1 CSO Drefach 57 175 39.4
Dwr Cymru Welsh Water River Tywi LLANDEILO CSO 100 160 83.8
Dwr Cymru Welsh Water River Cennen Primary School CSO Ffairfach 43 156 99.5
Dwr Cymru Welsh Water River Teifi Cwmann SPS 125 150 99.7
Dwr Cymru Welsh Water River Towy Llandeilo Yscubor Abad CSOs 81 148 95.5
Dwr Cymru Welsh Water River Ddu TALLEY WWTW INLET PUMPING STATION 30 139 99.6
Dwr Cymru Welsh Water River Marlais Llansawel WWTW Settled Storm 24 134 100
Dwr Cymru Welsh Water River Twrch GEORGE IV CSO 23 UPPER CWMTWRCH 18 130 100
Dwr Cymru Welsh Water Gwendraeth Fach Pencader Bridge CSO 30 121 100
Dwr Cymru Welsh Water River Tywelli Pencader SPS 30 117 100
Dwr Cymru Welsh Water River Twrch CSO Felinfach Rd. Ystradowen. 10 104 75.8
Dwr Cymru Welsh Water Gwendraeth Fawr CSO at Cwm Mawr Rb No1 Gwendreath Catchmen 29 104 100
Dwr Cymru Welsh Water River Dulas CWRT HENRI WWTW INLET STORM OVERFLW 55 102 100
Dwr Cymru Welsh Water River Amman CSO 38 500 M UP/STRM CONF LOUGHER 51 93 100
Dwr Cymru Welsh Water Nant Llynfell Swo No 11 Nr Glanyrafon Cwmlly CSO 30 84 76.7
Dwr Cymru Welsh Water Nant Harri Rhosmaen PS 40 72 99.6
Dwr Cymru Welsh Water Gwendraeth Fach Llanddarog 8 63 29
Dwr Cymru Welsh Water Gwendraeth Fawr Ddoll Las Temporary CSO Llanelli 16 58 99.9
Dwr Cymru Welsh Water River Amman Station Road CSO, Brynamman 49 58 100
Dwr Cymru Welsh Water River Lash Gate Road Sewage Pumping Station Penygroes 21 54 100
Dwr Cymru Welsh Water River Gwili CSO 50m D/S From Culvert Meadows R'd 25 36 100
Dwr Cymru Welsh Water River Marlais Llandybie RFC CSO 40 34 100
Dwr Cymru Welsh Water Ferryside Stream FERRYSIDE PS . . 31 29 99.8
Dwr Cymru Welsh Water Gwendraeth Fawr HEOL MEINCIAU CSO 12 27 100
Dwr Cymru Welsh Water Nant-Y-Ci 153 Saron Rd CSO 22 15 99.9
Dwr Cymru Welsh Water Nant Grenig CSO 32 30M D/STRM A474 ROADBRIDGE 9 14 57.5
Dwr Cymru Welsh Water Gwendraeth Fawr CARWAY WWTW CARWAY CARMS 27 9 99.9
Dwr Cymru Welsh Water River Bran FELIN FRAN PS LLANGADOG , 2 9 100
Dwr Cymru Welsh Water River Teifi CWMANN SPS(EMERG'Y) CWMANN LAMPETER 9 9 99.7
Dwr Cymru Welsh Water Nant Arw Capel Hendre Sewage Scheme CSO 3 8 99.9
Dwr Cymru Welsh Water Unnamed Utory Of River Sawdde Llangadog Common CSO 19 6 100
Dwr Cymru Welsh Water River Amman CSO 19 HALL STREET BRYNAMMAN 9 6 99.9
Dwr Cymru Welsh Water River Twrch FARMERS STW 5 6 100
Dwr Cymru Welsh Water River Tywi CSO at Cwm Ifor STW Storm Tanks Manordei 6 5 100
Dwr Cymru Welsh Water River Teifi WILKES HEAD CSO LLANDYSUL CERED'N 8 4 94
Dwr Cymru Welsh Water River Duar Llanybydder - Oriel Jones CSO 10 4 52.2
Dwr Cymru Welsh Water Gwendraeth Fawr HEOL NAZARETH 2 CSO 6 1 100
Dwr Cymru Welsh Water River Melinddwr Llansawel Village CSO No2 3 1 98.4
Dwr Cymru Welsh Water River Gorlech ABERGORLECH SPS 1 0 58.2
Dwr Cymru Welsh Water Gwendraeth Fach Settled Storm Overflow at Llangyndeyrn Wastewater Treatment Works 1 0 100
Dwr Cymru Welsh Water River Loughor Old NCB Yard CSO, Penybanc 1 0 24.4
Dwr Cymru Welsh Water River Amman CSO 29 At Manhole 76c Nr Hospital 1 0 99.7
Dwr Cymru Welsh Water Nant Crychiau PENIEL PS PENIEL CARMARTHEN , 0 0 0
Dwr Cymru Welsh Water Nant Gwenlais Cilyrychen PS CSO 0 0 0
Dwr Cymru Welsh Water River Amman CSO 31 Manhole 72C Maesgrenig 0 0 6
Dwr Cymru Welsh Water River Gwili Cwmgwili WwTW Cwmgwili Nr Ammanford Settled Storm 0 0 100
Dwr Cymru Welsh Water River Amman CSO 23 Manhole 125B Nr Brynbach FM 0 0 0
Dwr Cymru Welsh Water River Teifi RHYDFACH PS 0 0 72.3
Dwr Cymru Welsh Water River Cothi Pont-ar-Gothi & Nantgaredig Wastewater Treatment Works 0 0 99.7
Dwr Cymru Welsh Water Unnamed Utuary Of Gwendreath Fach CSO at Llangynderyn PS into R Gwendraeth Fach 0 0 100
Dwr Cymru Welsh Water Nant Wthan Saron - A484 O.S. Maesgeler 0 0 0
Dwr Cymru Welsh Water River Melinddwr LLANSAWEL . . 0 0 0
Dwr Cymru Welsh Water River Amman Penpound Lane 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.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.