Storm Water General Permit Permit Database
Below is the link to the database with all the active and inactive storm water permit authorizations issued under the three NPDES Storm Water General Permits in Iowa: No. 1 for Industrial Activities, No. 2 for Construction Activities and No. 3 for Asphalt Plants, Concrete Batch Plants, Rock Crushing Plants and Construction Sand and Gravel Facilities.
Storm Water General Permit Authorization Database
If you wish to apply for coverage under a storm water general permit online, proceed directly to the Online Storm Water General Permit Application page in the database.
If you have any questions about the Storm Water General Permit Database, please contact: