Twodot
Twodot is an earth dam located in Wheatland County, Montana, built in 1953. It carries a Low hazard potential classification.
About Twodot
The primary purpose of Twodot is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Horse Butte Ranch (private). It impounds the Alkali Creek near Twodot.
The dam stands 31 feet tall and stretches 750 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1953, 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. The most recent inspection on record was 12/18/1980. That was over 45 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Wheatland |
| Nearest City | Twodot |
| River/Stream | Alkali Creek |
| Coordinates | 46.38380, -110.06520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 750 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 555 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HORSE BUTTE RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 12/18/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01486 |
| Federal ID | MT01486 |
| More Info | State Dam Safety Program |