Krezelok is a rockfill dam located in Lewis and Clark County, Montana, built in 1945. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 550 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Krezelok
The primary purpose of Krezelok is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Mangas Cattle Company (private). It impounds the Dry Creek near Augusta.
The dam stands 15 feet tall and stretches 550 feet across, and has a maximum storage capacity of 85 acre-feet. Completed in 1945, 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.
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Location
| State | Montana |
| County | Lewis and Clark |
| Nearest City | Augusta |
| River/Stream | Dry Creek |
| Coordinates | 47.44540, -112.21270 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 550 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 44 acre-ft |
| Max Discharge | 450 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Mangas Cattle Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00303 |
| Federal ID | MT00303 |
| More Info | State Dam Safety Program |