Grasshopper is an earth dam located in Blaine County, Montana, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 468 ft long, taller than 72% 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 Grasshopper
The primary purpose of Grasshopper is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by S Bar B Ranch Co (private). It impounds the Grasshopper Creek near Fort Belknap.
The dam stands 31 feet tall and stretches 468 feet across, and has a maximum storage capacity of 257 acre-feet. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 | Blaine |
| Nearest City | Fort Belknap |
| River/Stream | Grasshopper Creek |
| Coordinates | 48.41670, -109.28190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 468 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 257 acre-ft |
| Max Storage | 257 acre-ft |
| Normal Storage | 149 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | S Bar B Ranch Co |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00232 |
| Federal ID | MT00232 |
| More Info | State Dam Safety Program |