Frog Dam is an earth dam located in Richland County, Montana, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 200 ft long, taller than 62% of U.S. dams with a recorded height. 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 Frog Dam
The primary purpose of Frog Dam 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 Fred H Thompson (private). It impounds the Tr-hardscrabble Creek near Blair.
The dam stands 28 feet tall and stretches 200 feet across, and has a maximum storage capacity of 62 acre-feet. Completed in 1973, 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 | Richland |
| Nearest City | Blair |
| River/Stream | Tr-hardscrabble Creek |
| Coordinates | 47.97330, -104.59030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 200 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 38 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Fred H Thompson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02687 |
| Federal ID | MT02687 |
| More Info | State Dam Safety Program |