Louisa Creek is a dam located in Owyhee County, Idaho, built in 1931. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 41 ft41 ft tall and 40 ft long, taller than 87% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Louisa Creek
Louisa Creek is a dam in Owyhee, Idaho. The dam is private-owned. It impounds the Louisa Creek Rock Creek.
The dam stands 41 feet tall and stretches 40 feet across, creates a reservoir covering 9 acres, has a storage capacity of 175 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1931, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/05/2019.
At 41 feet, this dam is taller than 87% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Idaho |
| County | Owyhee |
| River/Stream | Louisa Creek Rock Creek |
| Coordinates | 42.75970, -116.61640 |
Physical Characteristics
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 40 ft |
| Year Completed | 1931 (95 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00095 |
| Federal ID | ID00095 |
| More Info | State Dam Safety Program |