Indiana Water - General regulations & environmental compliance analysis

Indiana Water - General: What you need to know

Governing Law and Regulations

Water pollution control: 327 Indiana Administrative Code (IAC) 1-1-1 to 16-12-3

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Wastewater: 327 IAC 5-2-1 to 5-2-23

Effluent limitations: 327 IAC 5-2-10 and 327 IAC 5-2-11

Pretreatment: 327 IAC 5-18-1 to 5-18-10

Thermal discharges: 327 IAC 2-1-6

Agricultural waste: 327 IAC 19-1-1 to 19-16-3

Stormwater: 327 IAC 15-5-1 to 15-5-12, 327 IAC 15-6-1 to 15-6-12, and 327 IAC 15-13-1 to 15-13-22

Wastewater plant operator: 327 IAC 5-22-1 to 5-22-18

Groundwater protection: Indiana Code (IC) 17-13-18-17-1 to 17-13-18-17-7

Oil spills: 327 IAC 2-6.1-1 to 2-6.1-9

Regulatory Agencies

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 ...


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