Horseshoe Lake (South Dam)
Key Takeaway
Horseshoe Lake (South Dam) is classified as significant hazard in Colorado. It was completed in 1905 and is 121 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 24 ft (taller than 49.9% in CO) |
| Dam Length | 1,650 ft |
| Dam Type | Earth |
| Max Storage | 10.6K acre-ft |
| Normal Storage | 8.1K acre-ft |
| Surface Area | 650 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 9,204 cfs |
| Year Completed | 1905 (121 years old) |
| NID ID | CO02836 |
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
SEVEN LAKES RESERVOIR CO. (DAN KAMMERZELL)
Private
Nearby Dams
Westerdoll Lake
Larimer, CO
Low Hazard 11 ftHorseshoe Lake (East Dam)
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Significant Hazard 35 ftBoyd Lake
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High Hazard 40 ftDonath Lake
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Significant Hazard 26 ftHouts
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Low Hazard 7 ftDyekman
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Low Hazard 10 ftEqualizer
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High Hazard 20 ftLake Loveland
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High Hazard 47 ftFrequently Asked Questions
What is the hazard classification of Horseshoe Lake (South Dam)?
Horseshoe Lake (South Dam) 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 Horseshoe Lake (South Dam)?
Horseshoe Lake (South Dam) is owned by SEVEN LAKES RESERVOIR CO. (DAN KAMMERZELL) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Horseshoe Lake (South Dam) built?
Horseshoe Lake (South Dam) was completed in 1905, making it 121 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 Horseshoe Lake (South Dam)?
Horseshoe Lake (South Dam) 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 Horseshoe Lake (South Dam)?
Horseshoe Lake (South Dam) has a dam height of 24 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 Horseshoe Lake (South Dam) last inspected?
Horseshoe Lake (South Dam) was last inspected on June 11, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.