Stormwater General Permit Database
Below is the link to the database with all the active and inactive stormwater permit authorizations issued under the three NPDES Stormwater 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.
Stormwater General Permit Authorization Database
If you wish to apply for coverage under a stormwater general permit online, proceed directly to the Online Stormwater General Permit Application page in the database.
If you have any questions about the Stormwater General Permit Database, please contact: