The Department is adopting revisions to the U.S. Environmental Protection Agency’s Public Notification Rule relating to the Revised Total Coliform Rule published in the July 1, 2015 version of 40 C.F.R. 141, Subpart Q. The Department is also updating existing citations to incorporate the July 1, 2015 version of 40 C.F.R. 141, Subpart Q. The Department is also making minor updates to the incorporated federal public notification regulations to address U.S. EPA comments on Department rules and to incorporate federal requirements for public notification to new billing units by non-community water systems.