Engineering Services

CGRS offers in-house engineering for water/wastewater, fuel system and CNG/RNG system designs. Our environmental, civil, mechanical, chemical, and electrical engineers work efficiently and cohesively to plan, permit, and design projects. CGRS Construction Services has teams dedicated and experienced in each specialty to bring those plans to fruition.

Loveland Stormwater - CGRS


We are industry leaders in a variety of design-build services, including water distribution, wastewater collection, and water and wastewater treatment facilities.

Longmont CNG - CGRS


CGRS has designed and built compressed natural gas (CNG) and renewable natural gas (RNG) facilities and stations as well as converted refined fuel facilities to CNG for the private and public sectors throughout the Rocky Mountain region.

CGRS panoramic site - CGRS


CGRS’s highly experienced team of engineers and construction project managers collaborate with our customers to bring projects to fruition from concept to finished product.

Gas Fuel - CGRS


CGRS has engineered hundreds of fuel-system installations and upgrades. We make sure our clients are in full compliance with federal, state and local regulatory agencies when upgrading or installing fuel systems.


We are able to draw on more than 30 years of design/build experience for the oil industry – combined with the knowledge, education and experience of staff members trained in the water/wastewater industry – to design and/or build top-notch water and wastewater treatment plants.