Pea Ridge #1 Dam is a gravity dam located in Phillips County, Montana. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 228 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Pea Ridge #1 Dam
Pea Ridge #1 Dam is a dam in Phillips, Montana. The dam is owned by Doi BLM (federal). It impounds the Intermittent.
The dam stands 20 feet tall and stretches 228 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 53 acre-feet.
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 11/07/2018.
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Location
| State | Montana |
| County | Phillips |
| River/Stream | Intermittent |
| Coordinates | 47.66027, -107.99121 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 20 ft |
| Dam Length | 228 ft |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Surface Area | 10 acres |
Ownership & Safety
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02917 |
| Federal ID | MT02917 |
| More Info | State Dam Safety Program |