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
