Stantec, AECOM hired to expand Gross Reservoir

Canada-based engineering and construction firm Stantec, along with primary subcontractor AECOM, has been awarded a $13 million contract to design an expansion of Gross Reservoir in Boulder County.

Denver Water has hired Stantec and California-based AECOM for the project that will raise the height of the dam by 131 feet and increase the reservoir’s capacity to about 119,000 total acre-feet of water.

The project will be designed to prevent water shortfalls during droughts or other weather-related events such as wildfires, and will provide mitigation and enhancement projects that the Colorado Department of Public Health and Environment…