US EPA issued the enclosed Administrative Order (Order) to Shungopavi Village for violations of the federal Safe Drinking Water Act (SDWA)., at the Shungopavi public water system (System), which Shungopavi Village owns and/or operates on the Hopi Indian Reservation. EPA has determined that the System is out of compliance with the maximum contaminant level for arsenic, the monitoring requirements for arsenic, and the Tier 2 public notice requirements. The Order requires, among other things, that Shungopavi Village submit within 15 days of the effective date of this Order a letter describing its intention to comply with this Order, meet the arsenic MCL by December 31, 2023 and submit a
compliance plan within 90 days of the effective date of the Order that specifies how Shungopavi Village will bring the System back into compliance with the SDWA, including identifying enforceable milestones.