Brown Dam Lincoln Co is an earth dam located in Lincoln County, Washington, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 200 ft long. 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 Brown Dam Lincoln Co
The primary purpose of Brown Dam Lincoln Co is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Russell Brown Properties LLC (private). It impounds the Tr-ringwood Lake.
The dam stands 18 feet tall and stretches 200 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1965, 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. The most recent inspection on record was 08/20/1998. That was over 28 years ago.
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Location
| State | Washington |
| County | Lincoln |
| River/Stream | Tr-ringwood Lake |
| Coordinates | 47.38113, -117.91449 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 200 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 160 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Russell Brown Properties LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/20/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00532 |
| Federal ID | WA00532 |
| More Info | State Dam Safety Program |