Griffin
Griffin is an earth dam located in Custer County, Montana, built in 1972. It carries a Low hazard potential classification.
About Griffin
The primary purpose of Griffin 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 Griffin Ranch C (private). It impounds the Freddie Creek near Terry.
The dam stands 29 feet tall and stretches 250 feet across, has a maximum storage capacity of 103 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1972, 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 | Custer |
| Nearest City | Terry |
| River/Stream | Freddie Creek |
| Coordinates | 46.51380, -105.33940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 250 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 103 acre-ft |
| Max Storage | 103 acre-ft |
| Normal Storage | 66 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | GRIFFIN RANCH C |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01428 |
| Federal ID | MT01428 |
| More Info | State Dam Safety Program |