Iowa is a national leader in wind power, with wind generating over 63% of its electricity, and it produces more than a quarter of U.S. fuel ethanol and about one-fifth of biodiesel production capacity.

  • Agriculture and Land Stewardship
    Managing Iowa’s land stewardship and agriculture programs for the good of both city and rural Iowa residents.
  • Air Quality
    The DNR's Air Quality Bureau ensures that Iowa's air quality is maintained and complies with all state and federal regulations.
  • Environmental Protection
    Learn how DNR's Environmental Services Division protects Iowa's land, air, and water. We work to protect Iowans and their families.
  • Forestry Resources
    The Iowa DNR works to help Iowans expand and care for the state's roughly 3 million acres of trees and forests.
  • Geology and Oil Regulation
    Iowa’s bedrock, glacial deposits, and soils are the rich legacy of a billion years of earth history. They contain valuable minerals, energy resources, and ample supplies of groundwater.
  • Land Quality
    From reducing waste reaching our landfills to reclaiming former contaminated sites, protecting and improving Iowa's land quality impacts all Iowans.
  • Regulated Utilities
    Learn about Iowa's utility industries and safety.
  • Utility Customer Service
    File a consumer utility complaint using our online form, which allows you to attach documents. Any information submitted is subject to the Iowa Open Records Act and will be available for public view.
  • Water Quality
    From drinking water to wastewater, and from wetlands to lakes, ensuring clean water is an important priority for Iowa.