Moffitti Marsh Dam is an earth dam located in Polk County, Oregon, built in 1995. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 735 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 Moffitti Marsh Dam
The primary purpose of Moffitti 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 735 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 184 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1995, the structure is 31 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 08/23/2017.
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Location
| State | Oregon |
| County | Polk |
| River/Stream | Baskett Slough |
| Coordinates | 44.98000, -123.26000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 735 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 184 acre-ft |
| Max Storage | 184 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,694 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US Fish and Wildlife Service |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/23/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR04062 |
| Federal ID | OR04062 |
| More Info | State Dam Safety Program |