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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, Sioux City, and Ankeny, IA as well as Sioux Falls and Yankton, 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 2018 “Circle of Excellence”. DGR has earned this honor every year since 2014.

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

Street & Utility Improvements

This project consisted of street improvements for the downtown business district in Dell Rapids.  Also included in this project were improvements to the water main, sanitary sewer and storm sewer in conjunction with street improvements. 

Street & Utility Improvements
Dell Rapids, SD

Connection to L-P Rural Water

DGR completed a preliminary engineering report that met all the requirements for Rural Development. 

Connection to L-P Rural Water
Edgerton, MN

Water Treatment Plant Expansion

Construction of a water treatment plant expansion of 1200 gpm capacity, filter cells; masonry building; yard and process piping; line shaft turbine high service and backwash pumps; horizontal split case transfer pumps; HVAC; electrical and control; site work and miscellaneous appurtenant work.

Water Treatment Plant Expansion
Estherville, IA

Ground Storage Reservoir

Construction of a 500,000 gallon prestressed concrete ground storage reservoir, site work and site piping.

Ground Storage Reservoir
Orange City, IA

West Substation Conversion

DGR provided design, procurement, construction administration services for conversion of the existing substation needed to accommodate generation interconnection from the new Red Rock Hydro Project.  Project increased area transmission reliability and local load serving capability. 

West Substation Conversion
Pella, IA