Gleason Lake
Gleason Lake is an earth dam located in Ravalli County, Montana, built in 1922. It carries a Low hazard potential classification.
About Gleason Lake
The primary purpose of Gleason Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John Foley_jr (private). It impounds the Tr-willow Creek near Corvallis.
The dam stands 14 feet tall and stretches 190 feet across, creates a reservoir covering 16 acres, has a storage capacity of 180 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1922, 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 06/25/2003. That was over 22 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Ravalli |
| Nearest City | Corvallis |
| River/Stream | Tr-willow Creek |
| Coordinates | 46.29860, -113.89880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 190 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JOHN FOLEY_JR |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 06/25/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01169 |
| Federal ID | MT01169 |
| More Info | State Dam Safety Program |