Porter Cc Reservoir (clackamas) is an earth dam located in Clackamas County, Oregon, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 500 ft long, taller than 55% 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 Porter Cc Reservoir (clackamas)
The primary purpose of Porter Cc Reservoir (clackamas) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dan Myrick (private). It impounds the Unnamed near Four Corners.
The dam stands 26 feet tall and stretches 500 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 09/12/2018.
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Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Four Corners |
| River/Stream | Unnamed |
| Coordinates | 45.20686, -122.54528 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 21 ft |
| Dam Length | 500 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 12 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dan Myrick |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/12/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00644 |
| Federal ID | OR00644 |
| More Info | State Dam Safety Program |