Drinking Water Compliance OS

U.S. water systems

EPA Region 4 Water Systems

EPA Region 4

67 community water systems on record — 14 active, 53 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 EPA Region 4’s official records. Always confirm current status with EPA Region 4 before making decisions based on this information.

All community water systems in EPA Region 4