Drinking Water Compliance OS

U.S. water systems

Northern Mariana Islands Water Systems

Northern Mariana Islands

134 community water systems on record — 36 active, 98 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 Northern Mariana Islands’s official records. Always confirm current status with Northern Mariana Islands before making decisions based on this information.

Counties in Northern Mariana Islands

Saipan Municipality County (65)Tinian Municipality County (3)

All community water systems in Northern Mariana Islands