Humphreys - Spillway Dam, also known as Lake Humphreys, is a private-owned structure located in Mineral County, Colorado.
Wind
Humidity
Completed in 1926, this concrete gravity dam stands at a height of 26 feet and spans 148 feet in length, with a multi-arch core foundation on rock. Its primary purpose is for fish and wildlife conservation, with additional recreational benefits. The dam has a storage capacity of 1,062 acre-feet and a normal storage level of 842 acre-feet, covering a surface area of 44 acres.
Situated on Goose Creek in South Fork, Colorado, Humphreys - Spillway Dam is regulated and inspected by the Colorado Division of Water Resources. The dam features an uncontrolled spillway with a width of 70 feet, allowing for a maximum discharge rate of 3,225 cubic feet per second. Despite its high hazard potential, the dam's condition is assessed as satisfactory as of the last inspection in July 2020. While there have been no modifications in recent years, the risk assessment for the dam is moderate, highlighting the importance of ongoing risk management measures to ensure its safety and functionality for the surrounding area.
Year Completed |
1926 |
Dam Length |
148 |
Dam Height |
26 |
River Or Stream |
GOOSE CREEK |
Primary Dam Type |
Concrete |
Surface Area |
44 |
Hydraulic Height |
26 |
Drainage Area |
53 |
Nid Storage |
1062 |
Structural Height |
34 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
34 |
| Location | Reservations | Toilets |
|---|---|---|
Palisade - South Fork
|
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Palisade Campground
|
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Wheeler Baisin Site 3
|
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Wheeler Basin Site 2
|
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Ivy Creek Campground
|
||
Ivy Creek
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