Dusky Marsh Dam
Dusky Marsh Dam is an earth dam located in Polk County, Oregon, built in 1998. It carries a Low hazard potential classification and has a poor condition assessment.
About Dusky Marsh Dam
The primary purpose of Dusky Marsh 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 Us Fish And Wildlife Service (federal). It impounds the Baskett Slough.
The dam stands 10 feet tall and stretches 3,350 feet across, creates a reservoir covering 87 acres, has a maximum storage capacity of 299 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1998, the structure is 28 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/22/2017.
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Location
| State | Oregon |
| County | Polk |
| River/Stream | Baskett Slough |
| Coordinates | 44.95456, -123.24586 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 3,350 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 299 acre-ft |
| Max Storage | 299 acre-ft |
| Normal Storage | 148 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 56 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/22/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR03835 |
| Federal ID | OR03835 |
| More Info | State Dam Safety Program |