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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 70 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 Sioux Center, Iowa, as well as Sioux Falls, Rapid City and Belle Fourche,
South Dakota 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 2023 “Circle of Excellence”. DGR has earned this honor every year since 2014.

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

Street & Utility Improvements

Morningside Avenue was reconstructed totaling approximately 1,300 linear feet. The project included new sanitary sewer, water main, storm sewer, fiber conduits, decorative street lighting, and 9-inch concrete paving with colored concrete sidewalks.

Street & Utility Improvements
Sioux City, IA

Sludge Handling & Facility Expansion

In addition to doubling the capacity of the lift station by replacing the existing 7.5HP pumps with 15HP pumps, this project also addressed many deficiencies in the sludge collection, processing, and disposal operations.

Sludge Handling & Facility Expansion
Sanborn, IA

Lighting & Signing Project

DGR Engineering collaborated with a local engineering partner at the Ankeny, IA Regional Airport to provide electrical design and construction services including runway and taxiway lights, lighting signs and navigational aids including Precision Approach Path Indicators.

Lighting & Signing Project
Ankeny, IA

Site Development

Coordination between multiple entities to create a mutually satisfying layout of buildings, parking area, utilities and street access was a main element of the planning process.

Site Development
Sioux City, IA

New Water Treatment Plant

New Water Treatment Plant delivers higher quality and more economical water.

New Water Treatment Plant
Osgood, IA