Mill Creek Lake
Mill Creek Lake is a dam located in Lemhi County, Idaho, built in 1928. It carries a Low hazard potential classification and has a fair condition assessment.
About Mill Creek Lake
Mill Creek Lake is a dam in Lemhi, Idaho. The dam is private-owned. It impounds the Mill Creek Lemhi River near Lemhi River.
The dam stands 19 feet tall and stretches 725 feet across, creates a reservoir covering 29 acres, has a storage capacity of 210 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1928, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/08/2016.
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Location
| State | Idaho |
| County | Lemhi |
| Nearest City | Lemhi River |
| River/Stream | Mill Creek Lemhi River |
| Coordinates | 44.65610, -113.65720 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 725 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 53 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/08/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ID00256 |
| Federal ID | ID00256 |
| More Info | State Dam Safety Program |