Official State of Iowa Website Here is how you know

Online Storm Water Permit Database

Stormwater General Permit 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: