Date of Public Notice: June 28, 2019 Butler

Date of Public Notice: June 28, 2019 Butler County PUBLIC NOTICE NOTICE OF RECEIPT OF 401 APPLICATION AND PUBLIC HEARING Public notice is hereby given that the Ohio Environmental Protection Agency (Ohio EPA) Division of Surface Water (DSW) has received an application for, and has begun to consider whether to issue or deny, a Clean Water Act Section 401 water quality certification for a project to expand the existing mining facility. The application was submitted by Martin Marietta Materials, Inc. The project is located at 107 River Circle, Ross Township. The Huntington District Corps of Engineers Public Notice Number for this project is LRH-2019-00388-GMR. The Ohio EPA ID Number for this project is 196339. Discharges from the activity, if approved, would result in degradation to, or lowering of, the water quality of one forested wetland. Ohio EPA will review the application, and decide whether to grant or deny the certification, in accordance with OAC Chapters 3745-1 and 3745-32. In accordance with OAC rule 3745-1-05, an antidegradation review of the application will be conducted before deciding whether to allow a lowering of water quality. No exclusions or waivers, as outlined by OAC rule 3745-1-05, apply or may be granted. Starting June 28, 2019, copies of the application and technical support information may be inspected on Ohio EPA-DSW website: http://www.epa.ohio.gov/dsw/401/permitting.aspx Persons wishing to 1) be on Ohio EPA's interested parties mailing list for this project, 2) request a public hearing, or 3) submit written comments for Ohio EPA's consideration in reviewing the application should do so by email to epa.dswcomments@epa.ohio.gov or writing to Ohio EPA-DSW, Attention: Permits Processing Unit, P.O. Box 1049, Columbus, Ohio 43216-1049 within thirty days of the date of this public notice. 6-28/2109