Public Water Partners

U.S. water systems

Oklahoma Water Systems

Oklahoma

1,959 community water systems on record — 889 active, 1,070 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 August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

Counties in Oklahoma

All community water systems in Oklahoma

Showing the 200 largest of 1,959 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.