Physical Location
Location Address
2300 15th St. SW
Mason City, IA 50401
Areas Served
Butler
Cerro Gordo
Floyd
Franklin
Grundy
Hamilton
Hancock
Hardin
Humboldt
Kossuth
Mitchell
Webster
Winnebago
Worth
Wright
Phone(s)
Fax
Environmental Reporting Hotline
DNR’s trained field specialists are on the same mission you’re on - to protect Iowa’s air, land and water.
The focus of field office staff is helping citizens, business and industry achieve compliance with Iowa’s environmental programs.
Services
Staff at six field offices:
- Help citizens, businesses and towns comply with Iowa’s environmental laws and programs
- Investigate complaints and provide cleanup oversight to hazardous substance spills and environmental emergencies
- Inspect facilities with DNR permits, assisting them to meet technical permit requirements
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