Hamilton County, Ohio Water Systems

Hamilton County, Ohio

28 community water systems on record — 12 active, 16 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

Community water systems in Hamilton County, Ohio

System name	City	Population served	Status
ADDYSTON VILLAGE PWS	ADDYSTON	900	Active
ARLINGTON HEIGHTS WATER DEPT.	ARLINGTON HEIGHTS	1,100	Inactive
BRANCH HILL MOBILE HOME	HARRISON	375	Inactive
CANDLE LIGHT MOBILE HOME PARK	CINCINNATI	55	Inactive
CHATEAU LAKES	CINCINNATI	125	Inactive
CINCINNATI PUBLIC WATER SYSTEM	CINCINNATI	750,200	Active
CINCINNATI, CITY OF-BOLTON PLT	CINCINNATI	93,600	Inactive
CINCINNATI, CITY OF-MILLER	CINCINNATI	686,400	Inactive
CLEVES VILLAGE PWS	CLEVES	6,000	Active
DRY FORK POINTE MHP	ERLANGER	230	Active
GLENDALE VILLAGE PWS	GLENDALE	2,500	Active
HARRISON CITY PWS	HARRISON	11,600	Active
HARRISON TWP WATER CORP.	HARRISON	2,500	Inactive
HAVEN PARK WEST MOBILE V	HARRISON	225	Inactive
INDIAN HILL CITY PWS	CINCINNATI	15,000	Active
LOCKLAND VILLAGE PWS	LOCKLAND	3,486	Active
LOTTON MOBILE HOME PARK	CLEVES	28	Inactive
MAPLELEAF MOBILE HOME PARK PWS	HARRISON	150	Inactive
MARTINS MOBILE HOME PARK	MIAMITOWN	128	Inactive
NORWOOD CITY PWS	NORWOOD	19,870	Active
READING CITY PWS	READING	9,506	Active
RED WOOD MOBILE HOME PARK	HARRISON	100	Inactive
ROLLING ACRES MOBILE PK.	HARRISON	1,200	Inactive
TRI-TOWNSHIP WATER CORP.	LAWRENCEBURG	25	Inactive
TWIGHTWEE HOMEOWNERS ASS	LOVELAND	82	Inactive
TWIN RIVERS WATER CORPORATION	HARRISON	245	Active
WESTBROOK VILLAGE MHP	CLEVES	450	Inactive
WYOMING CITY PWS	CINCINNATI	9,700	Active