Wyant Lake is an earth dam located in Ravalli County, Montana, built in 1909. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 300 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 Wyant Lake
The primary purpose of Wyant Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Canyon Creek Irrigation District (local government). It impounds the Tr-blodgett Creek near Stevensville.
The dam stands 18 feet tall and stretches 300 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1909, the structure is over a century old.
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. The most recent inspection on record was 10/06/1992. That was over 34 years ago.
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Location
| State | Montana |
| County | Ravalli |
| Nearest City | Stevensville |
| River/Stream | Tr-blodgett Creek |
| Coordinates | 46.24080, -114.33680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 300 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Canyon Creek Irrigation District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/06/1992 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01172 |
| Federal ID | MT01172 |
| More Info | State Dam Safety Program |