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 70 years. Our projects in civil engineering, water systems, electrical distribution and surveying can be found all across
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 2022 “Circle of Excellence”. DGR has earned this honor every year since 2014.
DGR employed a Geographic Information System (GIS) in conjunction with the U.S. Army Corps of Engineers to first determine the 100-year flood elevations and delineate the floodway boundaries.
Broadway Generation Plant
The project included full services for the construction of a new generation plant.
St. Peter, MN
Track & Field Facility Improvements
DGR designed the track and field layout and improved drainage for the track and adjacent areas.
Force Main Replacement
Designed a replacement force main that was installed under Split Rock Creek, and at the same time, a new 16” water main was designed to replace the existing water line to facilitate future development needs.
DGR assisted the City in coordinating this major infrastructure overhaul in the heart of the town.
Downtown Street Reconstruction
The City of Orange City adopted a long-term plan to replace the streets in the downtown business and government district.
Orange City, IA