Fishhawk Lake is an earth dam located in Clatsop County, Oregon, built in 1969. It carries a Significant hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 420 ft long, taller than 86% of U.S. dams with a recorded height. 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 Fishhawk Lake
Fishhawk Lake is a dam in Clatsop, Oregon. The dam is owned by Fish Hawk Lake Home Owners Association (private).
The dam stands 40 feet tall and stretches 420 feet across, creates a reservoir covering 67 acres, has a maximum storage capacity of 1,650 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/20/2019.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Oregon |
| County | Clatsop |
| Coordinates | 46.03189, -123.36802 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 35 ft |
| Dam Length | 420 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 1,650 acre-ft |
| Max Storage | 1,650 acre-ft |
| Normal Storage | 982 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 2,500 cfs |
Ownership & Safety
| Owner | Fish Hawk Lake Home Owners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/20/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00418 |
| Federal ID | OR00418 |
| More Info | State Dam Safety Program |