Tryannosaurus
Tryannosaurus is an earth dam located in Chouteau County, Montana, built in 1953. It carries a Low hazard potential classification.
About Tryannosaurus
The primary purpose of Tryannosaurus 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 Knud Grosen (private). It impounds the Dry Fork Coulee.
The dam stands 20 feet tall and stretches 600 feet across, and has a maximum storage capacity of 62 acre-feet. Completed in 1953, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Chouteau |
| Nearest City | None |
| River/Stream | Dry Fork Coulee |
| Coordinates | 48.12180, -110.27920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 32 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KNUD GROSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03544 |
| Federal ID | MT03544 |
| More Info | State Dam Safety Program |