Maughan Dam
Maughan Dam is an earth dam located in Lake County, Montana, built in 1960. It carries a Low hazard potential classification.
About Maughan Dam
The primary purpose of Maughan Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wayne Maughan (private). It impounds the Tr-flathead River.
The dam stands 35 feet tall and stretches 500 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 55 acre-feet. Completed in 1960, 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 35 feet, this dam is taller than 82% 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 | Lake |
| Nearest City | None |
| River/Stream | Tr-flathead River |
| Coordinates | 47.49930, -114.28775 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 500 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 2 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WAYNE MAUGHAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03806 |
| Federal ID | MT03806 |
| More Info | State Dam Safety Program |