Calhoun County, Iowa Water Systems

Calhoun County, Iowa

12 community water systems on record — 12 active, 0 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 Calhoun County, Iowa

System name	City	Population served	Status
FARNHAMVILLE WATER SUPPLY	GILMORE CITY	379	Active
JOLLEY WATER SUPPLY	POCAHONTAS	28	Active
KNIERIM WATER SUPPLY	FORT DODGE	53	Active
LAKE CITY WATER SUPPLY	LAKE CITY	1,731	Active
LOHRVILLE WATER SUPPLY	NEWELL	381	Active
LYTTON WATER DEPARTMENT	LYTTON	282	Active
MANSON WATER SUPPLY	MANSON	1,709	Active
POMEROY WATER SUPPLY	POMEROY	671	Active
RINARD WATER SUPPLY	FORT DODGE	38	Active
ROCKWELL CITY WATER SUPPLY	ROCKWELL CITY	2,250	Active
SOMERS WATER WORKS	SOMERS	128	Active
TWIN LAKES UTILITIES	ROCKWELL CITY	300	Active