Beers Sisters Lake
Key Takeaway
Beers Sisters Lake is classified as significant hazard in Colorado. It was completed in 1966 and is 60 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 36.1% in CO) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 83 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,060 cfs |
| Year Completed | 1966 (60 years old) |
| Year Modified | 2006 |
| NID ID | CO00327 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
FOOTHILLS PARK & RECREATION DISTRICT (INSLEY, COLI
Local Government
Nearby Dams
Bergen #5
Jefferson, CO
Low Hazard 10 ftPolly A. Deane
Jefferson, CO
High Hazard 20 ftHarriman
Jefferson, CO
High Hazard 15 ftWest Meadows #2
Jefferson, CO
Low Hazard 13 ftWest Meadows #1
Jefferson, CO
Low Hazard 13 ftBergen West
Jefferson, CO
Significant Hazard 25 ftBergen East
Jefferson, CO
High Hazard 40 ftBergen West Dike
Jefferson, CO
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Beers Sisters Lake?
Beers Sisters Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Beers Sisters Lake?
Beers Sisters Lake is owned by FOOTHILLS PARK & RECREATION DISTRICT (INSLEY, COLI (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Beers Sisters Lake built?
Beers Sisters Lake was completed in 1966, making it 60 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Beers Sisters Lake?
Beers Sisters Lake serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Beers Sisters Lake?
Beers Sisters Lake has a dam height of 20 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Beers Sisters Lake last inspected?
Beers Sisters Lake was last inspected on June 1, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.