Please note, any discharge from a facility or construction site that may temporarily degrade an Outstanding National Resource Water or Outstanding State Resource Water is required to be permitted by an individual NPDES permit, as stipulated in 567 Chapter 64 of the Iowa Administrative Code and in the Iowa Antidegradation Implementation Procedure. General permit coverage is not available for these discharges. The list of these waters is located in Appendix B of the Antidegradation Implementation Procedure.

For information on permit requirements and fees, visit the Permits & Fees page.

Stormwater General Permits, Forms, & Application Materials

Document DescriptionForm #
NPDES General Permit No.1 
Summary Guidance for GP No.1 
Stormwater Management Worksheets, GP No.1 
NPDES General Permit No. 2 
Summary Guidance for GP No. 2 
NPDES General Permit No. 3 
Summary Guidance for GP No. 3 
Notice of Intent Form with Instructions for GP Nos. 1, 2, and 3
(Paper Application and Public Notice Form for Stormwater General Permits)
542-1415
Relocation Information for Mobile Facilities, GP No. 3542-1544
No-Exposure Certification Form542-1249
Notice of Discontinuation of Stormwater Discharge GP Nos. 1, 2, and 3542-8115
Individual Permit Application Stormwater Fee Payment Form
(must Accompany Form 2F)
542-8121

Stormwater Manuals