Reagan Lake is an earth dam located in Glacier County, Montana, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 290 ft long, taller than 83% 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 Reagan Lake
The primary purpose of Reagan Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Macdonald/mcclure Reagan (private). It impounds the Tr-rocky Coulee near Cut Bank.
The dam stands 37 feet tall and stretches 290 feet across, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, the structure is well into its service life at over 50 years 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.
At 37 feet, this dam is taller than 83% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Glacier |
| Nearest City | Cut Bank |
| River/Stream | Tr-rocky Coulee |
| Coordinates | 48.92930, -112.52483 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 290 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 60 acre-ft |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Macdonald/mcclure Reagan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01265 |
| Federal ID | MT01265 |
| More Info | State Dam Safety Program |