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At DGR Engineering, we build the foundation for every day. From roads and power lines to where parks and water intersect your life, we make it all work, and we’ve been doing it for more than 65 years. Our projects in civil engineering, water systems, electrical distribution and surveying can be
found all across the Midwest.

We build projects that both our clients and our employees can be proud of, because we live where we work. We have offices in Rock Rapids and
Sioux City, IA as well as Sioux Falls, SD and we share that foundation
with our clients.

As one of the top engineering firms in the country, DGR received notice that it was selected as a repeat honoree by PSMJ Resources, Inc. for inclusion in its 2021 “Circle of Excellence”. DGR has earned this honor every year since 2014.

Runway/Taxiway/Electrical Systems

DGR Engineering collaborated with a long-standing airport engineering partner at the Watertown, SD Regional Airport to provide electrical design and construction services for the airport including runway and taxiway lights, lighted signs and airport electrical systems upgrades.

Runway/Taxiway/Electrical Systems
Watertown, SD

Water Storage Tank Repainting

In just under four months, the tank was drained, sandblasted, and nearly 1,900 gallons of paint applied to over 100,000 square feet of surface area.  The tank was then returned to service.

Water Storage Tank Repainting
Sioux City, IA

Runway & Taxiway Improvements

The project included coordination with the watershed district, environmental, land acquisition, and staging issues. DGR worked with the City, agencies and land owners to restore relationships and achieve a successful project.

Runway & Taxiway Improvements
Hector, MN

Street Improvements

DGR assisted the City in coordinating this major infrastructure overhaul in the heart of the town.

Street Improvements
Hendricks, MN

Utility & Street Improvements

This project consists of approximately 1,500 feet of 6” water main replacement and 1,400 feet of 8” sewer replacement.

Utility & Street Improvements
Dell Rapids, SD

Ground Storage Reservoir

The ground storage reservoir is a critical component of the water treatment process, allowing surge capacity between the filtration process and the softening system.

Ground Storage Reservoir
Estherville, IA