Our Work
- All
- Aviation
- Civil
- Electrical Power
- Survey
- Wastewater
- Water
Water Main Extension
This project included water main installation, asphalt removal and replacement, and site restoration and grading.
Sioux Falls, SD
Ground Storage Reservoir
Construction of a 500,000 gallon prestressed concrete ground storage reservoir, site work and site piping.
Orange City, IA
Campus Improvements
DGR worked with college staff to improve the surface drainage surrounding the East Campus apartments as well as enhancing the Campus Green Space.
Sioux Center, IA
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.
Estherville, IA
SE Morningside Sanitary Sewer
The City of Sioux City needed a large diameter trunk sewer to carry flows from new residential development and future development on the east side of town to the existing Southeast Morningside Lift Station.
Sioux City, IA
Water Main Replacement
Work included water main replacement, sanitary manhole repair, replacement of surfacing over trenches, and boulevard restoration.
Sioux Falls, SD
Low Head Dam Design & Survey
DGR performed the topographic survey as well as the design of the low head dam.
Sioux Center, IA
Pipeline Construction
The North Core Pipeline project consisted of approximately 70 miles of pipeline from near Ft. Pierre to Philip, four ground storage reservoirs, and four pump stations.
Murdo, SD
Hospital Site Development
Sioux Center Community Hospital relocated their hospital facility, which required the completion of several smaller projects in conjunction with the overall hospital construction project.
Sioux Center, IA
River Crossing/Street Improvements
This project consisted of 4,200 L.F. of street improvements and 4,400 feet of water main, 2,000 feet of sanitary sewer, and two directionally drilled river crossings approximately 350 feet each.
Dell Rapids, SD
Mainline Distribution Circuits
The project included the construction of three new mainline 13.8 kV circuits on the City’s distribution system to increase capacity and reliability.
Sioux Falls, SD
Fuel System, Terminal, Hangars
Design and construction services for support facilities at the new Sioux County Regional Airport.
Sioux County, IA
Street Reconstruction
This project involved the reconstruction of approximately 8,500 linear feet of residential street including replacement of all utilities.
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.
Dell Rapids, SD
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.
Pella, IA
Generating Plant
The project included full services for the construction of a new generation plant and substation.
Madison, SD
Wastewater Treatment Facilities
Designed a SAGR system to be utilized as a polishing step following the City’s aerated lagoon system. The system includes a synthetic liner, aeration lines, rock media, an insulating mulch layer, control structures, and related piping.
Hull, IA
Water Source Addition
DGR and Red Rock Rural Water System teamed up with POET to perform a program of exploratory drilling, test pumping and well field development. Designed three production wells capable of supplying 1.4 MGD to the ethanol plant and 9 miles of 10” diameter raw water main.
Jeffers, MN
Double Circuit Line
The project included full services for a 1.7 mile, double-circuit 115 kV line.
Marshall Municipal Utilities
Pipeline Improvements
56 mile pipeline project was designed, permitted, bid, installed, and started up in less than two years from the project’s inception.
May City, IA
Site Development
DGR performed the boundary and topographic surveying as well as the site design of school building addition as a subconsultant.
Sioux Center, IA
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
Runway Rehab / Apron Expansion
This multi-phase project included apron expansion, runway rehabilitation, hangar area expansion, as well as design and construction services for a new runway and taxiway.
Luverne, MN
Street & Utility Improvements
This project consisted of 3,700 L.F. of street improvements on 15th Street from Old Highway 77 to Clark Avenue in Dell Rapids. Also included in this project were improvements to the water main, sanitary sewer and storm sewer in conjunction with street improvements.
Dell Rapids, SD
Treatment Plant & Well Exploration
DGR Engineering (DGR) worked closely with OCRWS to design a new Water Treatment Plant to target iron and manganese removal from a shallow groundwater source near the site.
Northwest IA
Search for High Capacity Wells
OCRWS rapid growth in water demands had pushed their existing wells to the limit, and it was now time to start looking for additional water supply.
Sutherland, IA
Water Supply Development
DGR Engineering worked with LCRWS to diversify their water supply options for their future growth.
Harrisburg, SD
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.
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.
Sioux City, IA
Commercial Park Development
46-acre Highway Commercial Development fronting U.S. Highway 75.
Sioux Center, 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.
Hector, MN
Street & Utility Improvements
This project encompassed eight downtown alley blocks over a single construction season.
Madison, 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.
Estherville, IA
Water Treatment Plant
DGR Engineering worked with Clay Rural Water System to construct a reverse osmosis water treatment plant to take water with raw water combined radium 226 + 228 of 12.4 pCi/L down to below detection limits.
North Sioux City, SD
Mainline Distribution Circuits
The project included the construction of three new mainline 13.8 kV circuits on the City’s distribution system to increase capacity and reliability.
Sioux Falls, SD
Site Development
Sioux Valley Hospitals of Sioux Falls, SD relocated their Luverne hospital, which required the completion of several smaller projects.
Luverne, MN
Water Storage Tank Painting
Removal and abatement of lead-based paint and intricate logo and logo lighting system design.
Luverne, MN
Recreational Trail
This project consisted of one and a half miles of 8’ wide recreational trail along the Big Sioux River and in the City Park in Dell Rapids, South Dakota.
Dell Rapids, SD
Site Development
Hendricks Community Hospital added to their hospital facility, which required the completion of several smaller projects in conjunction with the overall construction project.
Hendricks, MN
Street Reconstruction
This project included new utilities (sanitary sewer, storm sewer and water main), new sidewalks, paving and traffic signals.
Sioux City, IA
New Substation Construction
DGR assisted SMU in all aspects of the project, from initial evaluation, to design and financing, through final construction.
Stanhope, IA
Utility & Street Improvements
This project consists of approximately 1,500 feet of 6” water main replacement and 1,400 feet of 8” sewer replacement.
Dell Rapids, SD
Street Improvements
DGR assisted the City in coordinating this major infrastructure overhaul in the heart of the town.
Hendricks, MN
Electrical Distribution Conversion
The project included full services for the conversion of the utility’s distribution circuitry from overhead to underground. The conversion was completed in several project phases as part of a multi-year process.
Marshall Municipal Utilities
Arc Flash Hazard Study
DGR provided a detailed arc flash hazard study for the electric distribution system for Milford Municipal Utilities.
Milford Municipal Utilities
Alley Surfacing
This pair of projects encompassed eight downtown alley blocks over two construction contracts in consecutive years.
Madison, SD
Street Improvements
The City selected DGR to reconstruct water mains, sanitary and storm sewer and pavement for their typical recurring infrastructure project.
Windom, MN
Water Main Development
This project consisted of installing approximately 4,500 feet of 16” DIP water transmission main on Six Mile Road between 10th Street and 26th Street in Sioux Falls, SD.
Sioux Falls, SD
Pump Station & Storage Reservoirs
The new Edgerton Pump Station (EPS) was constructed to facilitate bringing purchased water from Lewis & Clark Regional Water System (L&C) to the LPRW system.
Edgerton, MN
Pond Closure
Assisted the City of Luverne in abandoning the industrial wastewater treatment facility formerly owned by Iowa Beef Producers.
Luverne, MN
Site Survey & Development
DGR performed the boundary and topographic surveying as well as the planning and site design of new Kids Club facility.
Rock Rapids, IA
Digester Improvements Project
Analyzed digester cover and mixing system alternatives due to condition of existing plant equipment. Selected cover and mixing system to best fit the City’s request for potential future digester gas re-use to reduce plant operational expenses.
Estherville, IA
Street Reconstruction
A multi-phase, multiple-year project to replace paving and aging utilities, install new sidewalks, decorative street lights and traffic signals.
Sioux City, IA
Site Development
Building and site demolition, utilities and grading, two site geothermal well fields, site work
Sioux City, IA
Broadway Generation Plant
The project included full services for the construction of a new generation plant.
St. Peter, MN
New Airport Development
DGR led the design and construction phase engineering for the development of a new $30 million airport. Tasks included all phases of design and construction engineering activities.
Sioux County, IA
Connection to L-P Rural Water
DGR completed a preliminary engineering report that met all the requirements for Rural Development.
Edgerton, MN
Site Design, Survey & Staking
DGR performed the site design as well as the topographic surveying and construction staking of new Kuyper Residence Hall on the campus of Dordt College.
Sioux Center, IA
Coordination Study
DGR provided a device by device coordination study for the Willmar Municipal Utilities electric distribution system.
Willmar Municipal Utilities
Pavement/Utility Improvements
The City selected DGR to reconstruct water mains, sanitary and storm sewer and the highway pavement on Jefferson Street and TH 68.
Minneota, MN
Keystone Transmission Line
The project included full services for a 58 miles of new 115 kV line and 5 miles of new 69 kV line.
Madison, SD
Tracks & Sports Complexes
DGR has performed the planning and design of multiple Athletic Tracks and Sports Complexes for several communities in the region. The competition facilities are used by little leaguers up to NAIA college events.
Numerous Locations
Turbine Control System Upgrade
The project included full removal and replacement of the existing control panels within the turbine building control room.
Marshall, MN
Sandness Raw Water Main Project
DGR Engineering designed 27 miles of 12” – 24”, and used their knowledge of cost effective rural construction to save Marshall Municipal Utilities millions of dollars in construction costs, and providing capacity to deliver over 4 million gallons of additional water each day.
Marshall, MN