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Online Storm Water Permit Database

Below is the link to the database containing 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 have any questions regarding the database, please call storm water program coordinator at: 515-281-7017 or e-mail joe.griffin@dnr.iowa.gov.

If you wish to apply for coverage under a storm water general permit online, please use the Online Storm Water General Permit Application.


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