Top of the Poops | Senedd Constituency Sewage Map | Fflint Wrecsam

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Totals for Fflint Wrecsam in 2025

78 Sites polluted by Dwr Cymru Welsh Water

1,705 sewage dumps

7,913 hours duration

That's 10.99 months. On average 4.7 times a day

Change Over Time

Senedd Constituencies near Fflint Wrecsam

Westminster Constituencies within Fflint Wrecsam

To see live data by overflow, go to the Westminster Constituency, then 'live data'

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Fflint Wrecsam in 2025. 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 1 of the total 92 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Lavister Brook	Storm Overflow at Lavister Wastewater Treatment Works	116	1,225	99.7
Dwr Cymru Welsh Water	Balderton Brook	SANDY LANE SPS CELYN CRESCENT SALTN	93	562	99.2
Dwr Cymru Welsh Water	River Dee	BANGOR ON DEE STW	48	561	99.9
Dwr Cymru Welsh Water	River Dee	FIVE FORDS STW	45	557	97.3
Dwr Cymru Welsh Water	Foundry Drain	PADESWOOD ROAD STORM TANK CSO	47	386	99.9
Dwr Cymru Welsh Water	Higher Ferry Drain	BRETTON PS	34	305	99.9
Dwr Cymru Welsh Water	Byr Brook	Pont y Bodkin Lower PS	17	272	31.1
Dwr Cymru Welsh Water	River Dee	OVERTON WWTW	51	222	99.9
Dwr Cymru Welsh Water	River Alyn	GRESFORD STW	36	217	99.9
Dwr Cymru Welsh Water	River Dee	Ashgrove PS Shotton	55	212	99.9
Dwr Cymru Welsh Water	Black Brook, Brad Brook	Penyffordd Terminal SPS	34	200	99.9
Dwr Cymru Welsh Water	Clywedog	Coedpoeth Nant PS	39	196	99.9
Dwr Cymru Welsh Water	Dee	HOLT STW	33	188	99.9
Dwr Cymru Welsh Water	Pandy Brook,Tidal Dee	FLINT WWTW	21	168	99.9
Dwr Cymru Welsh Water	Broughton Brook	Dobshill SPS	22	165	99.8
Dwr Cymru Welsh Water	River Gwenfro	Talwrn Road No 2 CSO	51	163	97.3
Dwr Cymru Welsh Water	Dee Estuary	FLINT BARDYN PS , ,	77	153	99.9
Dwr Cymru Welsh Water	Un-Named Of Broughton Br	Lower Farm CSO, Drury	55	138	99.5
Dwr Cymru Welsh Water	Unnamed W/C	FLINT IN GARDEN 102 MAES GWYN	69	135	96.6
Dwr Cymru Welsh Water	Black Brook	TY GWYN WWTW BUCKLEY	18	127	99.9
Dwr Cymru Welsh Water	Singret Brook	LLAY SINGRET (BOREEN CAM) CSO	47	127	99.4
Dwr Cymru Welsh Water	Queensferry Ditch	MANCOT LANE CSO	15	113	99.9
Dwr Cymru Welsh Water	Broughton Brook	HAWARDEN WOOD LANE CSO	33	109	99.9
Dwr Cymru Welsh Water	Emral Brook	Penley Hospital SPS	28	104	99.9
Dwr Cymru Welsh Water	River Dee Estuary	QUEENSFERRY WWTW	13	98	99.9
Dwr Cymru Welsh Water	Manor Drain	GARDEN CITY BRITISH LEGION - CSO	13	92	99.9
Dwr Cymru Welsh Water	River Dee	Higher Kinnerton SPS	14	89	99.9
Dwr Cymru Welsh Water	Nant Brook	Brymbo SPS CSO	18	84	99.9
Dwr Cymru Welsh Water	Pulford Brook	Pulford CSO	23	72	99.5
Dwr Cymru Welsh Water	Golftyn Brook	Connahs Quay Golftyn PS CSO/Storm	17	69	99.9
Dwr Cymru Welsh Water	River Clywedog	LLWYN ONN CSO	33	59	99.9
Dwr Cymru Welsh Water	Dee Estuary	BAGILLT WEST SPS BAGILLT	20	50	99.9
Dwr Cymru Welsh Water	Un-Named Of Byr Brook	Treuddyn Wastewater Treatment Works	14	46	99.9
Dwr Cymru Welsh Water	Dee Estuary	BAGILLT EAST SPS	9	45	95.4
Dwr Cymru Welsh Water	River Alyn	llay Chapel Lane CSO, opposite Garden Centre	15	42	58.1
Dwr Cymru Welsh Water	Pentre Ffwrdan Stream	Flint Mountain SPS	11	42	99.9
Dwr Cymru Welsh Water	River Gwenfro	Wrexham Maesglas SPS	110	41	99.3
Dwr Cymru Welsh Water	Alyn	BRADLEY OLD STW - SSO	21	39	99.9
Dwr Cymru Welsh Water	River Gwenfro	Southsea Rollers Arms - CSO	9	37	99.9
Dwr Cymru Welsh Water	River Alyn	CAERGWRLE - RHYDDYN HILL ROAD CSO	13	36	99.9
Dwr Cymru Welsh Water	Alyn	CEFN Y BEDD GWERN ALYN SPS	34	36	99.4
Dwr Cymru Welsh Water	Dee	FLINT DEE COTTAGES PS	19	36	99.8
Dwr Cymru Welsh Water	Gwersyllt Fishpond	Gwersyllt Glan Llyn (Fishpond) CSO	14	31	98.4
Dwr Cymru Welsh Water	River Gwenfro	CSO NR King’s Mills Queens Park WR	14	25	99.9
Dwr Cymru Welsh Water	River Dee	Eyton Grove SPS	3	22	99.9
Dwr Cymru Welsh Water	River Gwenfro	New Broughton CSO	2	22	99.7
Dwr Cymru Welsh Water	River Clywedog	Gwynfryn CSO	14	19	99.9
Dwr Cymru Welsh Water	Wepre Brook	Connah's Quay Wepre PS	12	16	99.9
Dwr Cymru Welsh Water	Wepre Brook	Buckley (The Willows) SPS	5	15	99.9
Dwr Cymru Welsh Water	Pentre Ffwrndan Drain	Oakenholt Main SPS	2	15	99.9
Dwr Cymru Welsh Water	River Alun	Rossett Level Crossing CSO	22	13	94.8
Dwr Cymru Welsh Water	River Alyn	Pandy SPS, Wrexham	16	12	99.8
Dwr Cymru Welsh Water	New Inn Brook	BUCKLEY LIVERPOOL ROAD - SSO	10	10	99.9
Dwr Cymru Welsh Water	River Dee	CONNAHS QUAY DEVA AVENUE - CSO	13	9	98
Dwr Cymru Welsh Water	River Gwenfro	Settled Storm Overflow at Heol Y Fro	2	9	99.9
Dwr Cymru Welsh Water	Gwenfro	Ruthin Rd CSO, Gegin	6	8	99.6
Dwr Cymru Welsh Water	River Cegidog	CYMAU PUMPING STATION/CSO	8	6	99.9
Dwr Cymru Welsh Water	Sandycroft Drain	Factory Road CSO, Sandycroft	5	6	99.1
Dwr Cymru Welsh Water	Unnamed W/C	BAGILLT GREENACRE DRIVE - SSO	9	5	98
Dwr Cymru Welsh Water	Unnamed W/C	BAGILLT STATION ROAD - SSO	5	5	99.1
Dwr Cymru Welsh Water	River Dee	Holt PS	10	4	99.9
Dwr Cymru Welsh Water	Unnamed Watercourse Flowing To River Dee	Cestrian St CSO	5	3	99.6
Dwr Cymru Welsh Water	Bretton Drain	BRETTON PS	1	3	99.7
Dwr Cymru Welsh Water	Kelsterton Brook	KELSTERTON PUMP STN. , ,	5	3	99.9
Dwr Cymru Welsh Water	Alltami Brook	BUCKLEY SOUTHDOWN PARK PS	1	2	99.9
Dwr Cymru Welsh Water	River Clywedog	Ruthin/Berse Road Coedpoeth CSO	7	2	99.6
Dwr Cymru Welsh Water	River Gwenfro	CSO O/S TOP RANK CLUB BROOK ST WREXHAM	6	1	99.7
Dwr Cymru Welsh Water	River Alyn	Cefn y Bedd PS	2	1	96.1
Dwr Cymru Welsh Water	Pond Adj	Wrexham Acton SPS	3	1	99.9
Dwr Cymru Welsh Water	Broughton Brook	Sandycroft Phoenix Street CSO	1	1	99.9
Dwr Cymru Welsh Water	Unnamed Watercourse	Bagillt verge off Manor Drive CSO	3	0	99.3
Dwr Cymru Welsh Water	River Alyn	HOPE SARN LANE CSO	3	0	99.7
Dwr Cymru Welsh Water	Byr Brook	Pont Y Bodkin Main SPS	1	0	99.8
Dwr Cymru Welsh Water	Alyn	CAERGWRLE DERBY ROAD - SSO	1	0	61.5
Dwr Cymru Welsh Water	River Dee	Connahs Quay Dock Road PS	1	0	99.9
Dwr Cymru Welsh Water	Pulford Brook	Powys Caer Estyn PS	1	0	99.8
Dwr Cymru Welsh Water	River Gwenfro	CSO NEAR MINAFON QUEENS PARK WREXH	1	0	99.5
Dwr Cymru Welsh Water	Gwenfro	SEWERAGE SYSTEM WEST OF WEALDS CHES CSO	1	0	99.7
Dwr Cymru Welsh Water	Unnamed W/C	BAGILLT TYDDYN MESHAM LANE - SSO	0	0	78.7
Dwr Cymru Welsh Water	Stream To River Dee	BOOT & SHIP PS , ,	0	0	99.9
Dwr Cymru Welsh Water	Wepre Brook	CONNAHS QUAY LOW LEVEL SPS STORM	0	0	99.9
Dwr Cymru Welsh Water	River Dee	Connahs Quay Linden Avenue - CSO	0	0	88.3
Dwr Cymru Welsh Water	Swinchiard Brook	FLINT STW (THE MEADOWS) , ,	0	0	99.9
Dwr Cymru Welsh Water	River Cegidog	Ffrith SPS	0	0	99.9
Dwr Cymru Welsh Water	Not Permitted	Flint Castle No1 SPS	0	0	99.9
Dwr Cymru Welsh Water	Pentre Drain	HAWARDEN CROSS TREE LANE - SSO	0	0	99.7
Dwr Cymru Welsh Water	Alyn	HOPE WwTW	0	0	99.9
Dwr Cymru Welsh Water	Unnamed Watercourse	MERLLYN LANE BAGILLT	0	0	96
Dwr Cymru Welsh Water	Black Brook Via Surface Water Drain	Pen Y Ffordd West View SPS	0	0	99.9
Dwr Cymru Welsh Water	Balderton Brook	Saltney Bridge Street CSO	0	0	99.6
Dwr Cymru Welsh Water	Surface Water Sewer	CSO Adj Mount St/Yorke St	0	0	99.7
Dwr Cymru Welsh Water	Surface Water Sewer Adj To River Gwenfro	CSO Nr Rivulet Rd Queens Park Wrex	0	0	99.7

It's a Dirty Business

Fflint Wrecsam

Polluted by sewage 1,705 times in 2025 lasting 7,913 hours

Monitoring fell below 50% in some locations so could be more

Fflint Wrecsam

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Totals for Fflint Wrecsam in 2025

78 Sites polluted by Dwr Cymru Welsh Water

Change Over Time

Senedd Constituencies near Fflint Wrecsam

Westminster Constituencies within Fflint Wrecsam

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Pollution Summary 2025

Data Sources & Accuracy

Media Queries

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It's a Dirty Business

Fflint Wrecsam Polluted by sewage 1,705 times in 2025 lasting 7,913 hours Monitoring fell below 50% in some locations so could be more

Fflint Wrecsam

Select Another Constituency

Totals for Fflint Wrecsam in 2025

78 Sites polluted by Dwr Cymru Welsh Water

Change Over Time

Senedd Constituencies near Fflint Wrecsam

Westminster Constituencies within Fflint Wrecsam

Take Action

We need your support!

Pollution Summary 2025

Data Sources & Accuracy

Media Queries

Please Support Us

Fflint Wrecsam

Polluted by sewage 1,705 times in 2025 lasting 7,913 hours

Monitoring fell below 50% in some locations so could be more