Brown
Brown is a dam located in Valley County, Idaho, built in 1979. It carries a Low hazard potential classification and has a fair condition assessment.
About Brown
The primary purpose of Brown is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Laffinwell Creek Gold Fork River.
The dam stands 21 feet tall and stretches 520 feet across, creates a reservoir covering 12 acres, has a storage capacity of 99 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1979, the structure is 47 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 11/03/2016.
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Location
| State | Idaho |
| County | Valley |
| River/Stream | Laffinwell Creek Gold Fork River |
| Coordinates | 44.72310, -115.98790 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 520 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 180 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/03/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00394 |
| Federal ID | ID00394 |
| More Info | State Dam Safety Program |