This is an EPA Administrative Order for Compliance on the Consent of Respondent, U.S. Dept of Agriculture Forest Service. Respondent has violated and continues to violate requirements of the federal Safe Drinking Water Act (SDWA) regulations which required owners or operators of existing large capacity cesspools (LCCs) to close them no later than April 5, 2005. Respondent has at least 15 LCCs on its federal property in the state of Arizona. Respondent agreed to comply with this order to close specified LCCs no later than December 31, 2022, and remaining specified LCCs no later than December 31, 2024.