Compost specified for use on an Iowa Dept. of Transportation project shall come from a source meeting the Seal of Testing Assurance (STA)- of US Composting Council. If no S.T.A. compost sources are within a reasonable shipping distance a compost source approved by the Roadside Development Section of the Office of Design, IA DOT may be used.




All Season Landscape Supplies

407 Freel Dr

Ames, IA 50010


Bluestem Solid Waste Agency

6301 Kirkwood Blvd SW

PO Box 2068

Cedar Rapids, IA 52406


Chamness Technology, Inc

2255 Little Wall Lake Road

Blairsburg, IA 50034


City of Iowa City Landfill

3900 Hebel Ave.

Iowa City, IA 52240


Davenport Compost Facility

2707 Railroad Ave.

PO Box 3606

Davenport, IA 52802


Metro Compost Center

1601 Harriet Street

Des Moines, IA 50309


Organic Matters

500 W Main

Robins, IA 52328


Great River Regional Waste Authority

2092 303rd Ave.

Fort Madison, IA 52627-9751


Ever-Green Inc.

2762 North Center Point Rd.

Cedar Rapids, IA 52411..