Petersen Dam is an earth dam located in Sheridan County, Montana, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall. 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 Petersen Dam
Petersen Dam is a dam in Sheridan, Montana. The dam is owned by Unknown.
The dam stands 14 feet tall, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1939, 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. The most recent inspection on record was 12/19/2002. That was over 23 years ago.
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Location
| State | Montana |
| County | Sheridan |
| Coordinates | 48.61270, -104.24830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 150 acre-ft |
| Drainage Area | 15 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Unknown |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/19/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03850 |
| Federal ID | MT03850 |
| More Info | State Dam Safety Program |