Clayton County, Iowa Water Systems

Clayton County, Iowa

23 community water systems on record — 16 active, 7 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 Clayton County, Iowa

System name	City	Population served	Status
AUDITOR PLATT #6	GUTTENBERG	31	Inactive
BREEZY POINTE SUBDIVISION	WAUKON	130	Active
CLAYTON WATER SUPPLY	CLAYTON	45	Active
DEGNAN ADDITION	GUTTENBERG	39	Inactive
EDGEWOOD WATER SUPPLY	EDGEWOOD	939	Active
ELKADER MUNI WATER DEPT	ELKADER	1,219	Active
FARMERSBURG WATERWORKS	MONONA	276	Active
GARNAVILLO WATER SUPPLY	GARNAVILLO	763	Active
GREAT RIVER CARE FACILITY	MCGREGOR	50	Inactive
GUTTENBERG INDUSTRIAL & RESIDENTIAL AREA	GUTTENBERG	325	Inactive
GUTTENBERG WATER UTILITY	GUTTENBERG	1,817	Active
LUANA WATER WORKS	LUANA	301	Active
MARQUETTE WATER SUPPLY	MARQUETTE	429	Active
MCGREGOR WATER DEPT	MCGREGOR	747	Active
MCGREGOR WATER SUPPLY / RIDGEWOOD WEST	MCGREGOR	70	Inactive
MONONA MUNICIPAL WATER DEPT	MONONA	1,471	Active
PARADISE VALLEY	GARNAVILLO	200	Inactive
PIERCE ADDITION	GUTTENBERG	25	Inactive
SAINT OLAF WATER SUPPLY	MONONA	106	Active
SCENIC ACRES	ST. OLAF	27	Active
STRAWBERRY POINT WATER SUPPLY	STRAWBERRY POINT	1,155	Active
VOLGA WATER SUPPLY	VOLGA	203	Active
WALTERS MOBILE HOME PARK	WAUKON	25	Active