Cement Dam is an earth dam located in Fergus County, Montana, built in 1936. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 107 ft long. 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 Cement Dam
The primary purpose of Cement Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ayers Ranch Colony (private). It impounds the North Fork Mcdonald Creek near Teigen.
The dam stands 20 feet tall and stretches 107 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 46 square miles. Completed in 1936, 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. The most recent inspection on record was 11/08/2004. That was over 21 years ago.
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Location
| State | Montana |
| County | Fergus |
| Nearest City | Teigen |
| River/Stream | North Fork Mcdonald Creek |
| Coordinates | 47.03630, -109.00980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 17 ft |
| Dam Length | 107.5 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 46 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Ayers Ranch Colony |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/08/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02739 |
| Federal ID | MT02739 |
| More Info | State Dam Safety Program |