New Calve
New Calve is an earth dam located in Hill County, Montana, built in 1970. It carries a Low hazard potential classification.
About New Calve
The primary purpose of New Calve is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Glen Whaley (private). It impounds the Tr-spring Coulee near Simpson.
The dam stands 20 feet tall and stretches 200 feet across, and has a maximum storage capacity of 158 acre-feet. Completed in 1970, 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 | Hill |
| Nearest City | Simpson |
| River/Stream | Tr-spring Coulee |
| Coordinates | 48.94240, -110.20250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 158 acre-ft |
| Max Storage | 158 acre-ft |
| Normal Storage | 20 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GLEN WHALEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03320 |
| Federal ID | MT03320 |
| More Info | State Dam Safety Program |