Mccarter North Dam is an earth dam located in Toole County, Montana, built in 1953. It carries a Significant hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 2,180 ft long, taller than 84% 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 Mccarter North Dam
The primary purpose of Mccarter North Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by William J Mccarter (private). It impounds the Willow Creek near Galata.
The dam stands 38 feet tall and stretches 2,180 feet across, creates a reservoir covering 960 acres, has a maximum storage capacity of 7,000 acre-feet, and collects water from a drainage area of 463 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/28/1980. That was over 46 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Montana |
| County | Toole |
| Nearest City | Galata |
| River/Stream | Willow Creek |
| Coordinates | 48.51250, -111.40380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 2,180 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 7,000 acre-ft |
| Max Storage | 7,000 acre-ft |
| Normal Storage | 1,400 acre-ft |
| Surface Area | 960 acres |
| Drainage Area | 463 sq mi |
| Max Discharge | 730 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | William J Mccarter |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/28/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00398 |
| Federal ID | MT00398 |
| More Info | State Dam Safety Program |