Lacosta Sand Creek Dam
Lacosta Sand Creek Dam is an earth dam located in Garfield County, Montana, built in 1969. It carries a Low hazard potential classification.
About Lacosta Sand Creek Dam
The primary purpose of Lacosta Sand Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lacosta Livestock Co (private). It impounds the Sand Creek near Van Norman.
The dam stands 20 feet tall and stretches 1,320 feet across, and has a maximum storage capacity of 483 acre-feet. Completed in 1969, 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 | Garfield |
| Nearest City | Van Norman |
| River/Stream | Sand Creek |
| Coordinates | 47.19460, -106.99330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,320 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 483 acre-ft |
| Max Storage | 483 acre-ft |
| Normal Storage | 175 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LACOSTA LIVESTOCK CO |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02260 |
| Federal ID | MT02260 |
| More Info | State Dam Safety Program |