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Indiana Department of Environmental Management

IDEM > Permitting > Water Permits > Wastewater Permits Wastewater Permits

The primary function wastewater permits is the issuance and implementation of the National Pollutant Discharge Elimination System (NPDES) Permit Compliance Program (CWA 308, 327 IAC 5), the Sewer Connection Ban Program (327 IAC 4), and the Environmental Assessment/Environmental Impact Statement Program (327 IAC 11).  This permitting area coordinates regulatory compliance activities with the Office of Enforcement and the Office of Voluntary Compliance (Office of Pollution Prevention and Technical Assistance), as well as inform the public, private sector, and regulated community about strategies to achieve regulatory compliance.

National Pollution Discharge Elimination System (NPDES) Permits

Operational Permit for Alternative Public Wastewater Treatment Systems

Streamlined Mercury Variance (SMV)

Variance from the Water Quality Criteria for Chloride

  • Available on the IDEM Forms page:
    • Municipal Chloride Variance Application