Governing Law and Regulations
Indiana Department of Environmental Management (IDEM) Office of Water Quality
Indiana Department of Natural Resources (DNR) Office of Water Quality
Indiana Department of Health (DOH)
U.S. Army Corps of Engineers (Corps)
U.S. Environmental Protection Agency (EPA) Region 5
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Indiana is authorized to administer the National Pollutant Discharge Elimination System (NPDES) permit program and to issue individual and general NPDES permits to specific dischargers. The state also has general permitting authority to cover stormwater discharges.
The state generally follows the federal regulations under the Safe Drinking Water Act (SDWA) in order to protect state potable water supplies. For additional information about the SDWA, see the national section DRINKING WATER.
• Administration and enforcement. IDEM's Office of Water Quality is responsible for the administration and enforcement of the state's water pollution control regulations. IDEM's Drinking Water Branch is ...