Skip to main content
Official State of Iowa Website
Agencies A-Z Programs & Services
Back to home page
Department of Natural Resources

Main navigation

  • Programs & Services
    • Aquatic Invasive Species
    • Beach Monitoring
    • Beginning Farming & Habitat Leases
    • Business Regulatory Assistance
    • Conservation Law Enforcement
    • Disaster Assistance
    • Education & Learning
    • Engineering
    • Forestry Resources
    • Forms & Applications
    • GIS Analysis & Support
    • Geology & Oil Regulation
    • Help Us Stop Hunger (HUSH)
    • Iowa's Wildlife
    • Lake Restoration
    • Natural Resources License Plates
    • Prairie Resource Center
    • Realty & Land Services
    • Resource Enhancement & Protection (REAP)
    • Section 401 Water Quality Certification
    • Vehicle Registration & Bonding
    • Volunteer Opportunities
    • Wildlife Diversity Program
    • Wildlife Landowner Assistance
    • Wildlife Rehabilitation
  • Places to Go
    • Lakes, Ponds, and Reservoirs
    • State Forests
    • State Parks
    • State Preserves
    • Shooting Ranges
    • OHV Parks & Riding Areas
    • Water Trails
    • Wildlife Management Areas
  • Things to Do
    • Bird Watching
    • Boating
    • Camping
    • Equestrian
    • Iowa’s Accessible Outdoors
    • Paddling & River Recreation
    • Create a Backyard Habitat
    • Fishing
    • Geocaching
    • Hiking & Biking
    • Hunting & Trapping
    • Off-Highway Vehicles
    • Shooting Sports
    • Snowmobiling
    • Swimming
  • Environmental Protection
    • Air Quality
    • Animal Feeding Operations
    • Environmental Field Offices
    • Household Hazardous Materials
    • Land Quality
    • Spills & Emergency Planning
    • Water Quality
  • About
    • Go Outdoors Iowa
    • Iowa DNR Staff Org Chart
    • Administrative Rules
    • Boards & Commissions
    • Contact
    • Donations
    • Employment
    • Enforcement Actions
    • Environmental Field Offices
    • Fisheries Management
    • Fisheries Research Teams
    • Forestry Services
    • Forms & Applications
    • Grants & Funding
    • Hatcheries
    • Land Donors Reception
    • License Vendors
    • Mission, Vision & Leadership
    • Nondiscrimination, Accessibility & Language Access
    • Solicitations & Contract Conditions
  • Newsroom
    • Employment
    • Event Calendars
    • News Releases
    • Social Media
    • Iowa Outdoors Magazine
    • Take It Outside, Blog
Agencies A-Z Online Services

Breadcrumbs

  1. Home
  2. Environmental Protection
  3. Water Quality
  4. Stormwater Program
  5. Stormwater Permit Information

DNR @ the 2026 Iowa State Fair, Aug 13-23, 2026

Details

Are you ready for an unforgettable adventure at the Iowa State Fair? Don't forget to stop by our DNR building located near the west entrance of the fairground, 9am-8pm.

2026 Courtyard Schedule

Stormwater Permits, Guidance & Forms

Topics:

Forms & Applications

Permits, Guidance, and Forms

Document DescriptionForm #
NPDES General Permit #1 (465.34 KB) .pdf  
  Summary Guidance for GP #1 (517.05 KB) .pdf  
  Stormwater Management Worksheets for GP #1 (1.3 MB) .pdf  
NPDES General Permit #2 (375.71 KB) .pdf  
  Summary Guidance for GP #2 (363.59 KB) .pdf  
NPDES General Permit #3 (406.14 KB) .pdf  
  Summary Guidance for GP #3 (452.46 KB) .pdf  
  Relocation Information for Mobile Facilities, GP No. 3 (1.07 MB) .pdf 542-1544
  No-Exposure Certification Form (1.13 MB) .pdf 542-1249
Notice of Intent Form & Instructions, GPs #1, #2, and #3 (1.24 MB) .pdf
(Paper Application for Stormwater General Permits)
542-1415
NPDES Stormwater General Permit Public Notice Template  (1.06 MB) .pdf 542-1416
Notice of Discontinuation, GPs #1, #2, and #3 (1.07 MB) .pdf 542-8115
Individual Permit Application Stormwater Fee Invoice (blank) (1.03 MB) .pdf
(must Accompany Form 2F)
542-8121

Stormwater Manuals

  • Iowa Construction Site Erosion Control Manual (10.49 MB) .pdf
  • How to Control Streambank Erosion (6.74 MB) .pdf
  • Iowa Stormwater Management Manual

Secondary Navigation Menu

  • Stormwater Permit Information
    • Permits, Guidance & Forms

Department of Natural Resources

Footer Social Media Menu

  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.

Iowa DNR Customer Service

6200 Park Avenue
Suite 200
Des Moines, IA 50321

Phone

515-725-8200

How can we help?

Share feedback with us

Footer Menu

Footer

  • Contact DNR
  • Newsroom
  • Accessibility Assistance
  • Archived Documents
Back to home page

Contact Menu

  • Send Feedback

© 2026 State of Iowa - Read our accessibility, data, and privacy policies.