Seneca County, Ohio Water Systems

Seneca County, Ohio

18 community water systems on record — 11 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

Community water systems in Seneca County, Ohio

System name	City	Population served	Status
AQUA OHIO - TIFFIN	MARION	20,279	Active
ATTICA VILLAGE	ATTICA	1,148	Active
BETTSVILLE VILLAGE	BETTSVILLE	692	Active
BLOOMVILLE VILLAGE PWS	BLOOMVILLE	956	Active
BROOK PARK ESTATES MHP PWS	LIMA	75	Active
EVERGREEN POPLAR VILLAGE MHP PWS	FOSTORIA	128	Active
FLAT ROCK CARE CENTER PWS	FLAT ROCK	96	Inactive
FOSTORIA CITY	FOSTORIA	13,441	Active
FOSTORIA ESTATES MHP LLC PWS	FOSTORIA	65	Active
FOSTORIA MOBILE ESTATES	FOSTORIA	281	Active
GREEN SPRINGS VILLAGE PWS	GREEN SPRINGS	1,592	Active
MGR,OLD ORCHARD TRAILER COURT	TIFFIN	30	Inactive
OHIO-AMER.WATER CO,TIFFIN DIST	TIFFIN	21,000	Inactive
REPUBLIC VILLAGE	REPUBLIC	550	Active
RUFFING FAMILY CARE CENTER	TIFFIN	40	Inactive
SENECA COUNTY HOME	TIFFIN	43	Inactive
SOUTHRIDGE PARK M H PARK	TIFFIN	53	Inactive
WOLF CREEK APARTMENTS	FOSTORIA	44	Inactive