One D-4 Ranch
One D-4 Ranch is an earth dam located in Carter County, Montana, built in 1952. It carries a Low hazard potential classification.
About One D-4 Ranch
The primary purpose of One D-4 Ranch is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by D-4 Ranch (private). It impounds the Tr-corral Creek near Capitol.
The dam stands 20 feet tall and stretches 300 feet across, and has a maximum storage capacity of 52 acre-feet. Completed in 1952, 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.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Capitol |
| River/Stream | Tr-corral Creek |
| Coordinates | 45.52510, -104.60080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 26 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | D-4 RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03196 |
| Federal ID | MT03196 |
| More Info | State Dam Safety Program |