For a Limited Time receive a FREE EHS Report "Recordkeeping for EHS Managers." This special report contains a recordkeeping checklist to help you keep track of your records for major environmental laws and OSHA's Hazard Communication Standard. Download Now
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. The National Pollutant Discharge Elimination System (NPDES) permit controls point source discharges of pollutants into the waters of the state through the establishment of effluent limitations and operating requirements. Indiana's effluent limitation regulations follow the federal regulations. See the national section EFFLUENT LIMITATIONS and the state section NPDES PERMIT for additional information.
• Administration and enforcement. IDEM's Office of Water Quality administers and enforces the effluent limitation standards in Indiana.
Effluent limitations standards are part of the permit conditions established by the IDEM on quantities, discharge rates, and concentrations of pollutants that are discharged, or will be discharged, from a point source into the "waters of the state" of Indiana. They represent the minimum effluent quality and quantity that must be achieved before discharge of the treated wastewater. The specific effluent limitations granted by the agency consider the ...