Alkali Flat
Alkali Flat is an earth dam located in Toole County, Montana, built in 1965. It carries a Low hazard potential classification.
About Alkali Flat
The primary purpose of Alkali Flat is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Charles Daley (private). It impounds the Diffused Surface Water near Shelby.
The dam stands 25 feet tall and stretches 275 feet across, and has a maximum storage capacity of 397 acre-feet. Completed in 1965, 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 | Shelby |
| River/Stream | Diffused Surface Water |
| Coordinates | 48.54420, -111.91240 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 275 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 397 acre-ft |
| Max Storage | 397 acre-ft |
| Normal Storage | 236 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | CHARLES DALEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03618 |
| Federal ID | MT03618 |
| More Info | State Dam Safety Program |