O'Brien County, Iowa Water Systems

O'Brien County, Iowa

8 community water systems on record — 7 active, 1 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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

Community water systems in O'Brien County, Iowa

System name	City	Population served	Status
CALUMET WATER SUPPLY	SIBLEY	146	Active
HARTLEY MUNICIPAL WATER DEPARTMENT	HARTLEY	1,605	Active
OBRIEN COUNTY CARE FACILITY	PRIMGHAR	60	Inactive
PAULLINA MUNICIPAL WATER SUPPLY	PAULLINA	996	Active
PRIMGHAR MUNICIPAL WATER SUPPLY	PRIMGHAR	902	Active
SANBORN WATER SUPPLY	SANBORN	1,392	Active
SHELDON WATER DEPARTMENT	SHELDON	5,512	Active
SUTHERLAND WATER SUPPLY	SUTHERLAND	629	Active