Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products

Concrete fly ash sources

Updated 06/24/25

Eco Material Technologies

Power Plant MnDOT Class Specific Gravity MnDOT Standard Abbreviation
Coal Creek at Underwood, ND F 2.50 COCUNND
Cumberland Power Station at Cumberland, TN F 2.50 CPSCUTN
Labadie at Labadie, MO C 2.70 LABLAMO
Hastings Utilities at Hastings, NE C 2.77 HAUHANE
Prairie State Generating Station at Marissa, IL F 2.40 PSGSMAIL

Croell Redi-Mix

Power Plant MnDOT Class Specific Gravity MnDOT Standard Abbreviation
JP Madgett Generating Station at Alma, WI C 2.68 JPMALWI

Innovative Consulting, North Dakota LLC

Power Plant MnDOT Class Specific Gravity MnDOT Standard Abbreviation
Leland Olds Station at Stanton, ND C 2.64 LOSSTND

Amrize Cement formerly Holcim

Power Plant MnDOT Class Specific Gravity MnDOT Standard Abbreviation
Columbia Generating Stations at Portage, WI C 2.72 CGSPOWI
Edgewater Unit #5 at Sheboygan, WI C 2.62 EU5SHWI
Elm Road at Oak Creek, WI - Class C C 2.72 EROCWIC
Hastings Utilities at Hastings, NE C 2.77 HAUHANE
Oak Creek Power Plant at Oak Creek, WI C 2.71 OCPPOCWI
Mill Creek Generating Station at Louisville, KY F 2.45 MCGSLOKY
Muscatine Generating Station at Muscatine, IA C 2.79 MGSMUIA
Weston at Wausau, WI C 2.70 WEWAWI

National Minerals Corporation

Power Plant MnDOT Class Specific Gravity MnDOT Standard Abbreviation
Boswell Unit 3 at Cohasset, MN C 2.65 BU3COMN
JP Madgett Generating Station at Alma, WI C 2.68 JPMALWI
Lansing Generating Station at Lansing, IA C 2.75 LANLAIA
Louisa at Muscatine,IA C 2.71 LOUMUIA
Ottumwa Generating Station at Ottumwa, IA C 2.63 OGSOTIA
Port Neal at Sioux City, IA C 2.65 PNSCIA
Prairie Creek Unit 3 at Cedar Rapids, IA C 2.75 PCU3CRIA