The Appropriate Role of States and the Federal Government in Protecting Groundwater April 18, 2018 10:00 AM Martha Clark Mettler Assistant Commissioner, Office of Water Quality, Indiana Department of Environmental Management Related Files Mettler Testimony 04.18.2018.pdf (258.4 KBs) Return to Hearing Related Files SPW 041818.pdf (175.1 KBs) Permalink: https://www.epw.senate.gov/public/index.cfm/2018/4/the-appropriate-role-of-states-and-the-federal-government-in-protecting-groundwater