Drinking Water Compliance OS

U.S. water systems

Idaho Water Systems

Idaho

1,243 community water systems on record — 767 active, 476 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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.

Counties in Idaho

All community water systems in Idaho