Pomona Lake No. 1
Key Takeaway
Pomona Lake No. 1 is classified as low hazard in Colorado. It was completed in 1902 and is 124 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 6 ft (taller than 0.2% in CO) |
| Dam Length | 1,150 ft |
| Dam Type | Earth |
| Max Storage | 255 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 210 cfs |
| Year Completed | 1902 (124 years old) |
| NID ID | CO01328 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
THE POND HOMEOWNERS ASSOC. (TAMMY HALL)
Private
Nearby Dams
Pomona No. 2 and No. 3
Jefferson, CO
Significant Hazard 11 ftStandley Lake
Jefferson, CO
High Hazard 113 ftKetner
Jefferson, CO
High Hazard 30 ftOberon Lake No. 1
Jefferson, CO
Low Hazard 20 ftTepper No. 1
Jefferson, CO
Low Hazard 14 ftWoman Creek
Jefferson, CO
High Hazard 50 ftLast Chance No. 1
Jefferson, CO
Low Hazard 14 ftMower
Jefferson, CO
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Pomona Lake No. 1?
Pomona Lake No. 1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Pomona Lake No. 1?
Pomona Lake No. 1 is owned by THE POND HOMEOWNERS ASSOC. (TAMMY HALL) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pomona Lake No. 1 built?
Pomona Lake No. 1 was completed in 1902, making it 124 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 Pomona Lake No. 1?
Pomona Lake No. 1 serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pomona Lake No. 1?
Pomona Lake No. 1 has a dam height of 6 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 Pomona Lake No. 1 last inspected?
Pomona Lake No. 1 was last inspected on June 24, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.