Kolstad #3
Kolstad #3 is an earth dam located in Toole County, Montana, built in 1964. It carries a Low hazard potential classification.
About Kolstad #3
The primary purpose of Kolstad #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leo Kolstad (private). It impounds the Diffused Surface Water near Galata.
The dam stands 15 feet tall and stretches 810 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1964, 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 | Toole |
| Nearest City | Galata |
| River/Stream | Diffused Surface Water |
| Coordinates | 48.69690, -111.41460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 810 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 11 acre-ft |
| Max Discharge | 20 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEO KOLSTAD |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00435 |
| Federal ID | MT00435 |
| More Info | State Dam Safety Program |