Summit is an earth dam located in Camas County, Idaho, built in 1941. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 215 ft long. 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 Summit
Summit is a dam in Camas, Idaho. The dam is owned by BLM (federal). It impounds the Unnamed Stream Sinks near Shoshone.
The dam stands 13 feet tall and stretches 215 feet across, creates a reservoir covering 49 acres, has a storage capacity of 99 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1941, 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 08/11/2020.
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Location
| State | Idaho |
| County | Camas |
| Nearest City | Shoshone |
| River/Stream | Unnamed Stream Sinks |
| Coordinates | 43.24940, -114.48480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 215 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 60 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/11/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00392 |
| Federal ID | ID00392 |
| More Info | State Dam Safety Program |