Lucas #1 is an earth dam located in Meagher County, Montana, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 400 ft long, taller than 62% 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 Lucas #1
The primary purpose of Lucas #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lucas Ranch Inc (private). It impounds the Tr-sixteen Mile Creek near Ringling.
The dam stands 28 feet tall and stretches 400 feet across, and has a maximum storage capacity of 75 acre-feet. Completed in 1939, the structure is well-established, with more than 75 years of service.
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 | Meagher |
| Nearest City | Ringling |
| River/Stream | Tr-sixteen Mile Creek |
| Coordinates | 46.27360, -110.69890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 400 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 60 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lucas Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01118 |
| Federal ID | MT01118 |
| More Info | State Dam Safety Program |