Hornet Creek Lower is a privately-owned irrigation structure situated in the remote areas of Washington County, Idaho.
Wind
Humidity
Built in 1913, this earth dam stands at a height of 26.3 feet and has a hydraulic height of 23 feet, serving the primary purpose of irrigation for the surrounding agricultural lands. The dam boasts a storage capacity of 150 acre-feet and covers a surface area of 16 acres, drawing water from Hornet Creek and Weiser River.
Maintained and regulated by the Idaho Department of Water Resources, Hornet Creek Lower has a low hazard potential and is currently assessed to be in fair condition as of the last inspection in August 2017. The dam features an uncontrolled spillway with a width of 9 feet and outlet gates that consist of slide (sluice gate) mechanisms. With a moderate risk rating of 3, the structure is inspected every 4 years to ensure its continued safe operation. Despite its age, Hornet Creek Lower plays a crucial role in the local irrigation system, contributing to the agricultural productivity of the region while complying with state regulations and enforcement measures.
Year Completed |
1913 |
Dam Length |
300 |
Dam Height |
26.3 |
River Or Stream |
HORNET CREEK WEISER RIVER |
Surface Area |
16 |
Hydraulic Height |
23 |
Drainage Area |
0.8 |
Nid Storage |
150 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
26 |
| Location | Reservations | Toilets |
|---|---|---|
Brownlee Campground
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McCormick Park - Hells Canyon National Rec Area
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McCormick Campgrounds
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McCormick Park
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Lafferty Campground
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Lafferty
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