Cinnamon #4 is an earth dam located in Wheatland County, Montana, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 200 ft long, taller than 68% 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 Cinnamon #4
The primary purpose of Cinnamon #4 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Two Dot Land & Livestock Co. (private). It impounds the Tr-american Fork Creek near Winnecook.
The dam stands 30 feet tall and stretches 200 feet across, and has a maximum storage capacity of 132 acre-feet. Completed in 1973, 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 | Wheatland |
| Nearest City | Winnecook |
| River/Stream | Tr-american Fork Creek |
| Coordinates | 46.29230, -109.83870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 200 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 86 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Two Dot Land & Livestock Co. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02416 |
| Federal ID | MT02416 |
| More Info | State Dam Safety Program |