Penland Lake Reservoir is an earth dam located in Morrow County, Oregon, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 500 ft long, taller than 72% 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 Penland Lake Reservoir
The primary purpose of Penland Lake Reservoir is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Glenn Ward (private). It impounds the Mallory Creek near Monument.
The dam stands 31 feet tall and stretches 500 feet across, creates a reservoir covering 67 acres, has a maximum storage capacity of 590 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 10/05/2016. That was over 10 years ago.
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Location
| State | Oregon |
| County | Morrow |
| Nearest City | Monument |
| River/Stream | Mallory Creek |
| Coordinates | 45.11676, -119.31734 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 29 ft |
| Dam Length | 500 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 590 acre-ft |
| Max Storage | 590 acre-ft |
| Normal Storage | 590 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 40 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Glenn Ward |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/05/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00501 |
| Federal ID | OR00501 |
| More Info | State Dam Safety Program |