Pilster Diversion One Dam
Pilster Diversion One Dam is a gravity dam located in Carter County, Montana, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.
About Pilster Diversion One Dam
The primary purpose of Pilster Diversion One Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Doi Blm (federal). It impounds the Willow Ck./little Missouri Riv near Camp Cook,s.d..
The dam stands 14 feet tall and stretches 1,909 feet across, creates a reservoir covering 27 acres, and has a maximum storage capacity of 104 acre-feet. Completed in 1960, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/20/2016.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Camp Cook,s.d. |
| River/Stream | Willow Ck./little Missouri Riv |
| Coordinates | 45.09312, -104.66843 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Length | 1,909 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Surface Area | 27 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/20/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00614 |
| Federal ID | MT00614 |
| More Info | State Dam Safety Program |