Leland #1
Leland #1 is an earth dam located in Custer County, Montana, built in 1959. It carries a Low hazard potential classification.
About Leland #1
The primary purpose of Leland #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leland Ranch Inc (private). It impounds the Tr-whitney Creek near Fallon.
The dam stands 20 feet tall and stretches 200 feet across, has a maximum storage capacity of 57 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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.
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Location
| State | Montana |
| County | Custer |
| Nearest City | Fallon |
| River/Stream | Tr-whitney Creek |
| Coordinates | 46.49100, -105.01540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 29 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LELAND RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01805 |
| Federal ID | MT01805 |
| More Info | State Dam Safety Program |