Top of the Poops | Constituency Sewage Map - Live Data| Alyn and Deeside

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You're looking at the totals that we have calculated for sewage in Alyn and Deeside so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

Totals for Alyn and Deeside in 2026

Sewage4,737 hours

Monitoring offline0 hours

Potential pollution0 hours

Storm overflows56

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
Dwr Cymru Welsh Water	Spring Street Connahs Quay Overflow	Wepra Brook	181	1,820h 28m	-
Dwr Cymru Welsh Water	Saltney Sandy Lane Storm Overflow	Balderton Brook	71	841h 53m	-
Dwr Cymru Welsh Water	Penyffordd WwTW Storm Overflow	Black Brook	46	428h 19m	-
Dwr Cymru Welsh Water	Padeswood Road Buckley Storm Overflow	Foundry Drain	43	346h 27m	-
Dwr Cymru Welsh Water	Broughton Mills Road Bretton Storm Overflow	Higher Ferry Drain	23	200h 29m	-
Dwr Cymru Welsh Water	Castle Road Flint Overflow	River Dee Estuary	24	182h 27m	-
Dwr Cymru Welsh Water	Flint WwTW Storm Overflow	River Dee Estuary	21	127h 31m	-
Dwr Cymru Welsh Water	Shotton Ash Grove Storm Overflow	River Dee	36	120h 55m	-
Dwr Cymru Welsh Water	Treuddyn WwTW Storm Overflow	Byr Brook	15	84h 46m	-
Dwr Cymru Welsh Water	Maes Gwyn Storm Overflow	Surface Water	27	73h 37m	-
Dwr Cymru Welsh Water	Drury Lane Storm Overflow	Tributary of Broughton Brook	25	67h	-
Dwr Cymru Welsh Water	Dobshill Storm Overflow	Unnamed Tributary of Broughton Brook	6	60h 12m	-
Dwr Cymru Welsh Water	Mancot Lane Mancot Storm Overflow	Queensferry Ditch	6	43h 44m	-
Dwr Cymru Welsh Water	Buckley Ty Gwyn Storm Overflow	Black Brook	6	42h 13m	-
Dwr Cymru Welsh Water	Wood Lane Hawarden Storm Overflow	Broughton Brook	19	41h 44m	-
Dwr Cymru Welsh Water	East of railway Cefn Y Bedd Storm Overflow	River Alyn	13	39h 58m	-
Dwr Cymru Welsh Water	Queensferry WwTW Storm Overflow	River Dee	6	37h 13m	-
Dwr Cymru Welsh Water	Higher Kinnerton Storm Overflow	Tributary of the River Dee	6	36h 43m	-
Dwr Cymru Welsh Water	Station Road Bagillt Storm Overflow	Dee Estuary	8	30h	-
Dwr Cymru Welsh Water	Bagillt West Storm Overflow	Dee Estuary	16	26h 3m	-
Dwr Cymru Welsh Water	Church Street Connahs Quay Storm Overflow	Golflyn Brook	7	21h 2m	-
Dwr Cymru Welsh Water	Dee Cottages Storm Overflow	River Dee	4	13h 44m	-
Dwr Cymru Welsh Water	Liverpool Road Buckley Storm Overflow	New Inn Brook	10	11h 12m	-
Dwr Cymru Welsh Water	White Farm Road Buckley Overflow	Tributary of Wepre Brook	3	10h 14m	-
Dwr Cymru Welsh Water	Flint Mountain Storm Overflow	Pentre Ffwrdan Stream	10	7h 59m	-
Dwr Cymru Welsh Water	Bridge Street Connahs Quay Storm Overflow	Wepre Brook	4	3h 41m	-
Dwr Cymru Welsh Water	Factory Road Sandycroft Storm Overflow	Sandycroft Drain	2	3h 29m	-
Dwr Cymru Welsh Water	Station Road Bagillt Storm Overflow	River Dee	1	3h 14m	-
Dwr Cymru Welsh Water	Rhyddyn Hill Caergwrle Storm Overflow	River Alyn	2	3h	-
Dwr Cymru Welsh Water	Welsh Road Roundabout Storm Overflow	Manor Drain	2	2h 15m	-
Dwr Cymru Welsh Water	Hope Cymau Storm Overflow	Afon Cegidog	3	1h 59m	-
Dwr Cymru Welsh Water	Greenacre Drive Bagillt Storm Overflow	Ditch	2	0h 58m	-
Dwr Cymru Welsh Water	Sarn Lane Hope Storm Overflow	River Alyn	2	0h 40m	-
Dwr Cymru Welsh Water	Merllyn Lane Bagillt Storm Overflow	Unnamed Watercourse	2	0h 33m	-
Dwr Cymru Welsh Water	Aberllanerch Drive Storm Overflow	Nant Alltami	1	0h 30m	-
Dwr Cymru Welsh Water	Kelsterton Road Connah's Quay Storm Overflow	Kelsterton Brook	1	0h 28m	-
Dwr Cymru Welsh Water	Upper Bryn Road Connahs Quay Storm Overflow	River Dee	1	0h 13m	-
Dwr Cymru Welsh Water	Phoenix Street Sandycroft Storm Overflow	Broughton Brook	0	0h	-
Dwr Cymru Welsh Water	Dee Road Connahs Quay Overflow	Nant Gwepra	0	0h	-
Dwr Cymru Welsh Water	Cestrian Street Connah's Quay Storm Overflow	River Dee	0	0h	-
Dwr Cymru Welsh Water	Hope WwTW Storm Overflow	River Alyn	0	0h	-
Dwr Cymru Welsh Water	Bridge Street Saltney Storm Overflow	Balderton Brook	0	0h	-
Dwr Cymru Welsh Water	Linden Avenue Storm Overflow	River Dee	0	0h	-
Dwr Cymru Welsh Water	The Meadows Flint Overflow	Swinchiard Brook	0	0h	-
Dwr Cymru Welsh Water	Pont Y Bodkin Lower Storm Overflow	Byr Brook	0	0h	-
Dwr Cymru Welsh Water	Pontybodkin Main Storm Overflow	Nant Byr	0	0h	-
Dwr Cymru Welsh Water	New Brighton Road Bagillt Overflow	Unnamed Watercourse discharging to the River Dee	0	0h	-
Dwr Cymru Welsh Water	Old London Road Bagillt Storm Overflow	Unnamed stream	0	0h	-
Dwr Cymru Welsh Water	Dock Road Connahs Quay Storm Overflow	River Dee	0	0h	-
Dwr Cymru Welsh Water	Manor Drive Storm Overflow	Unnamed Watercourse	0	0h	-
Dwr Cymru Welsh Water	Hope Street Storm Overflow	River Alyn	0	0h	-
Dwr Cymru Welsh Water	North of Evans Street Flint Overflow	Swinchiard Brook	0	0h	-
Dwr Cymru Welsh Water	Oakenholt Main Storm Overflow	Pentre Ffwrdan Stream	0	0h	-
Dwr Cymru Welsh Water	Broughton Mills Road and Chester Road Bretton Storm Overflow	Bretton Drain	0	0h	-
Dwr Cymru Welsh Water	West View Penyffordd Storm Overflow	Black Brook	0	0h	-
Dwr Cymru Welsh Water	Near Spring Street Connahs Quay Storm Overflow	Wepre Brook	0	0h	-

Alyn and Deeside - Live Sewage

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