Molstad Excavating, Inc.

underground utilities

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commercial Underground

Our commercial projects include new construction and rehab construction installing sanitary sewer pipe, water pipe and storm sewer pipe. Most notably 3 separate Walmart Super Centers each located in Williston, ND - Bismarck, ND - Grand Forks, ND

water main pipe/SERVICE LINES

Commercial - Rural

C900, C905, PVC, Polyurethane, Ductile Iron, TR Flex, Schedule 40, Copper


sanitary sewer pipe/SERVICE LINES

Commercial - Rural

SDR35, Schedule 40, Corrugated PVC, C900, Plastic Lined RCP, Ductile Iron, Fiberglass 

storm sewer pipe

Commercial - Rural

PVC, RCP, Corrugated PVC, C900, SDR35, Box Culverts, Steel Corrugated Culvert Pipe

structures/ponds/dirt work

Commercial - Rural

Concrete MH's, Catch Basins, Septic Tanks, Lift Stations, Box Culverts, Drain Inlets, Retention Ponds, Ditching