Drinking Water Compliance OS

Wisconsin

Portage County, Wisconsin Water Systems

Portage County, Wisconsin

40 community water systems on record — 10 active, 30 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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

Community water systems in Portage County, Wisconsin