On May 23, 2022, EPA Region 6 issued an Administrative Order under its authority pursuant to Safe Drinking Water Act (SDWA) to the Waurika Public Works Authority in the City of Waurika, Oklahoma. The AO was issued in response to violations of the SDWA, specifically, the Risk and Resilience Rule requirements. The AO requires the Waurika Public Works Authority water system to conduct a risk and resilience assessment (RRA) and revise or develop an emergency response plan (ERP) and certify to EPA that an RRA and ERP were conducted. The City of Waurika must respond to EPA Region 6 by June 10, 2022.