NPDES Staff & Contacts

NPDES Section General Email

The NPDES Section accepts all mail electronically. Submit all documents, except permit applications and fees, to npdes.mail@dnr.iowa.gov. 

General wastewater, NPDES storm water, NPDES individual permitting, and onsite wastewater questions may be directed to this email address.

NPDES Section Administration

NPDES Stormwater General Permits and MS4 Permits

NPDES Wastewater & Operation Permits

Individual NPDES Permit Coordination

Industrial Permitting 

Including wastewater discharges from Drinking Water Treatment Plants, State Operation Permits, General Permits for Mining and Quarrying (#5), Well Construction (#6), Pesticides (#7), Hydrostatic Testing, Ballasting, and Water Lines (#8), Dewatering, and Residential Geothermal Systems (#9)

Municipal, Semipublic, and AFO Permitting

Private Septic Systems (Onsite) Wastewater

Including NPDES General Permit #4, Time of Transfer Certifications, and Septic Pumping