Tahkenitch Lake is a gravity dam located in Douglas County, Oregon, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 130 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Tahkenitch Lake
Tahkenitch Lake is a dam in Douglas, Oregon. The dam is owned by Industrial Harbor (private). It impounds the Tahkenitch Creek near No Downstream Settlement.
The dam stands 12 feet tall and stretches 130 feet across, creates a reservoir covering 4,829 acres, has a maximum storage capacity of 16,580 acre-feet, and collects water from a drainage area of 34 square miles. Completed in 1964, 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 09/17/2018.
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Location
| State | Oregon |
| County | Douglas |
| Nearest City | No Downstream Settlement |
| River/Stream | Tahkenitch Creek |
| Coordinates | 43.80710, -124.15263 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 10 ft |
| Dam Length | 130 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 16,580 acre-ft |
| Max Storage | 16,580 acre-ft |
| Normal Storage | 16,580 acre-ft |
| Surface Area | 4,829 acres |
| Drainage Area | 34 sq mi |
| Max Discharge | 10,000 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Industrial Harbor |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/17/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00359 |
| Federal ID | OR00359 |
| More Info | State Dam Safety Program |