Duncan Creek Dam is an earth dam located in Skamania County, Washington, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 45 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 Duncan Creek Dam
The primary purpose of Duncan Creek Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Skamania Landing Owners Association (private). It impounds the Duncan Creek.
The dam stands 24 feet tall and stretches 45 feet across, creates a reservoir covering 220 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1963, 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.
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Location
| State | Washington |
| County | Skamania |
| River/Stream | Duncan Creek |
| Coordinates | 45.61576, -122.04105 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 45 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 260 acre-ft |
| Surface Area | 220 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 428 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Skamania Landing Owners Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00221 |
| Federal ID | WA00221 |
| More Info | State Dam Safety Program |