Tortilla is an earth dam located in Chouteau County, Montana, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 100 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 Tortilla
The primary purpose of Tortilla 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 Jerry W Handl (private). It impounds the Chip Coulee near Iilad.
The dam stands 12 feet tall and stretches 100 feet across, has a maximum storage capacity of 221 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1920, the structure is over a century 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 | Chouteau |
| Nearest City | Iilad |
| River/Stream | Chip Coulee |
| Coordinates | 47.83450, -109.83980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 100 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 221 acre-ft |
| Max Storage | 221 acre-ft |
| Normal Storage | 44 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 330 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Jerry W Handl |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03356 |
| Federal ID | MT03356 |
| More Info | State Dam Safety Program |