Top of the Poops | Constituency Sewage Map

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You're looking at the totals that we have calculated for sewage in South Suffolk 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 South Suffolk in 2026

Sewage1,547 hours

Monitoring offline1,508 hours

Potential pollution290 hours

Storm overflows60

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Company	Site Name	Receiving Waterway	Overflow Days	Total Duration (hours)	Offline/Potential Pollution
Anglian Water	GLEMSFORD STW	River Glem	31	527h 32m	-
Anglian Water	IPSWICH-CLIFF QUAY RAEBURN ST	Tidal River Orwell	35	165h 13m	-
Anglian Water	BOXTED-COTTAGE (SUFFOLK) STW	Glem - Lower	11	141h 58m	219 h
Anglian Water	Sudbury Bailey and Coates Combined Sewer Overflow	R Stour	47	86h 20m	-
Anglian Water	East Bergholt WRC	Gosnalls Brook River Stour	16	86h 15m	811 h
Anglian Water	BOXFORD STW	River Box	6	75h 14m	275 h
Anglian Water	Sudbury Great Eastern Road Terminal Pumping Station	River Stour	21	67h 55m	-
Anglian Water	LAVENHAM STW	Lavenham Brook River Brett	20	48h 27m	-
Anglian Water	CAPEL ST MARY-PARKINS CL YD SP	Dodnash Brook	5	48h 4m	-
Anglian Water	HOLBROOK STW	Holbrook Stream	17	45h 33m	445 h
Anglian Water	LAWSHALL-HARROWS TRIANGLE SP	River Lark	7	38h 59m	-
Anglian Water	IPSWICH-CLIFF QUAY STW (SOUTH EASTERN AREA SEWER CSO)	Tidal River Orwell	24	37h 56m	-
Anglian Water	GREAT WENHAM STW	Stutton Brook	2	32h 30m	-
Anglian Water	HADLEIGH STW	River Brett	10	29h 48m	24 h
Anglian Water	Monks Eleigh WRC	River Brett	5	27h 41m	-
Anglian Water	SPROUGHTON-DAUNDY CLOSE TPS (ELTON PARK PS)	River Gipping	13	19h 45m	-
Anglian Water	CHELSWORTH-CAKEBRIDGE LA SP	River Brett	3	18h 44m	-
Anglian Water	ELMSETT STW	Utray Belstead Brook	6	15h 52m	-
Anglian Water	WOOLVERSTONE-MARINA TPS	River Orwell	4	10h 44m	-
Anglian Water	BOXFORD-STONE ST TPS	River Box	2	8h	-
Anglian Water	Brantham Factory Lane OV	River Stour	8	3h 29m	-
Anglian Water	HADLEIGH STW	River Brett	2	3h 27m	24 h
Anglian Water	GLEMSFORD-SKATES HILL SP	Unnamed River Stour	1	2h 25m	-
Anglian Water	Sudbury The Croft CSO	River Stour	3	1h 45m	-
Anglian Water	SUDBURY-CORNARD RD SP	River Stour	2	1h 15m	-
Anglian Water	LAVENHAM STW PS	Lavenham Brook	1	1h	-
Anglian Water	GT WALDINGFIELD-FOLLEY RD SP	River Box	1	0h 55m	-
Anglian Water	SHOTLEY-OVERHALL FM STW	River Orwell T	1	0h 37m	-
Anglian Water	HADLEIGH STW	River Brett	0	0h	-
Anglian Water	HOLBROOK STW	Holbrook Creek Estuary Stour	0	0h	0 h
Anglian Water	IPSWICH-CLIFF QUAY STW (EASTERN AREA SEWER CSO)	Tidal River Orwell	0	0h	-
Anglian Water	GREAT CORNARD STW	Cornard Black Brook	0	0h	-
Anglian Water	LAVENHAM STW PS	Lavenham Brook	0	0h	-
Anglian Water	CHELSWORTH-CAKEBRIDGE LA SP	River Brett	0	0h	-
Anglian Water	Sudbury Bailey and Coates Combined Sewer Overflow	R Stour	0	0h	-
Anglian Water	Sudbury Water Recycling Centre	River Stour	0	0h	-
Anglian Water	ELMSETT STW	Utray Belstead Brook	0	0h	-
Anglian Water	IPSWICH-CLIFF QUAY STW (SOUTH EASTERN AREA SEWER CSO)	Tidal River Orwell	0	0h	-
Anglian Water	Monks Eleigh WRC	River Brett	0	0h	-
Anglian Water	LAVENHAM STW	Lavenham Brook River Brett	0	0h	-
Anglian Water	IPSWICH-CLIFF QUAY STW (EASTERN AREA SEWER CSO)	Tidal River Orwell	0	0h	-
Anglian Water	SHOTLEY-OVERHALL FM STW	River Orwell T	0	0h	-
Anglian Water	GLEMSFORD-SKATES HILL SP	Unnamed River Stour	0	0h	-
Anglian Water	BOXFORD STW	River Box	0	0h	-
Anglian Water	Sudbury Water Recycling Centre	River Stour	0	0h	-
Anglian Water	BRANTHAM SCHOOL LANE SP	River Stour	0	0h	-
Anglian Water	GT WALDINGFIELD-FOLLEY RD SP	River Box	0	0h	-
Anglian Water	Sudbury The Croft CSO	River Stour	0	0h	-
Anglian Water	Sudbury Great Eastern Road Terminal Pumping Station	River Stour	0	0h	-
Anglian Water	SPROUGHTON-DAUNDY CLOSE TPS (ELTON PARK PS)	River Gipping	0	0h	-
Anglian Water	GREAT CORNARD STW	Cornard Black Brook	0	0h	-
Anglian Water	SUDBURY-CORNARD RD SP	River Stour	0	0h	-
Anglian Water	HADLEIGH STW	River Brett	0	0h	-
Anglian Water	WOOLVERSTONE-MARINA TPS	River Orwell	0	0h	-
Anglian Water	HOLBROOK STW	Holbrook Stream	0	0h	-
Anglian Water	East Bergholt WRC	Gosnalls Brook River Stour	0	0h	-
Anglian Water	IPSWICH-CLIFF QUAY RAEBURN ST	Tidal River Orwell	0	0h	-
Anglian Water	LAWSHALL-HARROWS TRIANGLE SP	River Lark	0	0h	-
Anglian Water	Brantham Factory Lane OV	River Stour	0	0h	-
Anglian Water	HOLBROOK STW	Holbrook Creek Estuary Stour	0	0h	-

South Suffolk - Live Sewage

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