Point Source TMDL Implementation

Once a TMDL is approved, federal and state regulations require implementation of point source requirements, or wasteload allocations (WLAs), from the TMDL to be expressed in Wisconsin Pollutant Discharge Elimination System (WPDES) permits.

Municipal and industrial wastewater dischargers

The following document(s) and pages provide guidance related to implementing WLAs in permits issued to municipal and industrial point sources.

• TMDL-WPDES Guidance [PDF]
• Adaptive Management
• Water Quality Trading

Learn more about wastewater.

MS4 storm water dischargers

The following document provides guidance related to implementing TMDL requirements for municipal separate storm sewer system permittees.

• MS4 TMDL Implementation Guidance [PDF]
  For additional information about the Storm Water Program, contact Amy Minser.