Coos County, New Hampshire Water Systems

Coos County, New Hampshire

28 community water systems on record — 19 active, 9 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New Hampshire’s official records. Always confirm current status with New Hampshire before making decisions based on this information.

Community water systems in Coos County, New Hampshire

System name	City	Population served	Status
BERLIN WATER WORKS	BERLIN	9,575	Active
CARROLL WATER WORKS	TWIN MOUNTAIN	875	Active
COLEBROOK WATER WORKS	COLEBROOK	1,300	Active
COOS COUNTY FARM	W STEWARTSTOWN	228	Inactive
DEER ESTATES	MILAN	53	Active
ERROL WATER WORKS/EAST	ERROL	42	Inactive
ERROL WATER WORKS/WEST	ERROL	183	Active
GORHAM HILL SPRING	GORHAM	55	Active
GORHAM WATER AND SEWER DEPART	GORHAM	75	Inactive
GORHAM WATER AND SEWER DEPT	GORHAM	2,630	Active
GROVETON WATER SYS	GROVETON	2,650	Active
LAFLAMMES HILLSIDE ACRES	STEWARTSTOWN	118	Inactive
LANCASTER WATER DEPT	LANCASTER	2,500	Active
LOST NATION WATER	GROVETON	65	Active
MANSION HILL CONDOS	LINCOLN	210	Inactive
MOUNT CRESCENT WATER CO	RANDOLPH	158	Inactive
MOUNTAIN VIEW PARK ESTATES	LACONIA	95	Active
NORTH STRATFORD MHP	N STRATFORD	50	Active
NORTH STRATFORD WATER DEPT	COLUMBIA	300	Active
NORTHERN VIEW APARTMENTS	CONCORD	50	Active
NORTHUMBERLAND WATER SYS	NORTHUMBERLAND	150	Inactive
PITTSBURG WATER DEPT	PITTSBURG	233	Active
PLEASANT VALLEY PARK ESTATES	EAST ANDOVER	65	Active
RIVERSIDE WATER WORKS	BEECHER FALLS	144	Inactive
ROSEBROOK WATER	MONROE	1,050	Active
W STEWARTSTOWN WATER PCT	WEST STEWARTSTOWN	428	Active
WHITEFIELD WATER	WHITEFIELD	1,640	Active
WHITEFIELD WATER DEPT (BH)	WHITEFIELD	500	Inactive