J. O. Hill
Key Takeaway
J. O. Hill is classified as significant hazard in Colorado. It was completed in 1964 and is 62 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 64% in CO) |
| Dam Length | 530 ft |
| Dam Type | Earth |
| Max Storage | 253 acre-ft |
| Normal Storage | 154 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 56 sq mi |
| Max Discharge | 3,960 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | CO00295 |
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
WESTCREEK LAKES WATER DIST.
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of J. O. Hill?
J. O. Hill 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 J. O. Hill?
J. O. Hill is owned by WESTCREEK LAKES WATER DIST. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was J. O. Hill built?
J. O. Hill was completed in 1964, making it 62 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 J. O. Hill?
J. O. Hill serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is J. O. Hill?
J. O. Hill has a dam height of 29 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 J. O. Hill last inspected?
J. O. Hill was last inspected on May 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.