Public Water System Supervision Program Revision for the State of Montana

Public notice is hereby given that the state of Montana has revised its Public Water System Supervision (PWSS) Program by adopting federal regulations for the Revised Total Coliform Rule (RTCR) that correspond to the National Primary Drinking Water Regulations (NPDWR). The EPA has reviewed Montana's regulations and determined they are no less stringent than the federal regulations. The EPA is proposing to approve Montana's primacy revision for the RTCR. This approval action does not extend to public water systems in Indian country. Please see Supplementary Information, Item B.