Gross Reservoir Boulder County

Gross Reservoir, located in Boulder County, Colorado, is owned and operated by Denver Water. Completed in 1954, the reservoir has a surface area of 440 acres, and the spillway sits at 7,225 feet elevation. The reservoir is undergoing an expansion project.
  • Location: Boulder County, Colorado
  • Etymology: Named for Denver Water former Chief Engineer Dwight D. Gross.
  • Primary outflows: South Boulder Creek
  • Basin countries: United States
  • Managing agency: Denver Water
  • Surface area: 440 acres (180 ha)
  • Water volume: 41,811 acre⋅ft (51,573,000 m³)
Data from: en.wikipedia.org