The Water Permitting Branch serves residents and businesses located in Indiana by issuing NPDES and construction permits to sources that discharge wastewater to stream, lakes, and other water bodies. The Municipal Permits Section, including the Combined Sewer Overflow (CSO) Program, and Industrial Permits Section issue NPDES permits to point source discharges in accordance with the federal Clean Water Act (CWA), federal laws, and state laws and regulations. The Permits Administration Section administers the non-storm water NPDES general permits program. The Facility Construction and Engineering Support Section issues construction permits related to wastewater treatment plant and sewer construction. The Drinking Water Permit Section issues construction permits for drinking water wells and treatment.
National Pollutant Discharge Elimination System (NPDES) Permits
- NPDES Program Overview
- Permits on Notice and Draft Permit Information
- IDEM Permit Appeal Procedures
- Wastewater Compliance
- Monthly Reporting Forms (available on the IDEM Forms page)