Drinking Water Compliance OS

Ohio

Mahoning County, Ohio Water Systems

Mahoning County, Ohio

32 community water systems on record — 11 active, 21 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 Mahoning County, Ohio