Governing Law and Regulations
Indiana Department of Environmental Management (IDEM) Office of Land Quality
IDEM Office of Water Quality
Indiana Department of Natural Resources (DNR) Division of Water
Indiana Department of Health (DOH)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Indiana does not have a specific groundwater program; instead groundwater is split between agencies depending on the nature of the groundwater issue. Contamination and groundwater plume studies are covered by IDEM's regulations for facilities regulated under the hazardous waste management program, which are identical to the federal regulations. Water wells, construction of wells, and groundwater as a natural resource are covered by DNR.
Indiana's groundwater protection regulations for solid (nonhazardous) waste facilities are part of the IDEM solid waste management program for siting and operation of municipal landfills and disposal areas. For additional information, see the state ...