Mulkey, Gryland Reservoir is an earth dam located in Polk County, Oregon, built in 1981. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 203 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 Mulkey, Gryland Reservoir
The primary purpose of Mulkey, Gryland Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gylan Mulkey (private). It impounds the Berry Creek near No Downstream Settlement.
The dam stands 10 feet tall and stretches 203 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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 10/14/2013. That was over 12 years ago.
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Location
| State | Oregon |
| County | Polk |
| Nearest City | No Downstream Settlement |
| River/Stream | Berry Creek |
| Coordinates | 44.72970, -123.26847 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 203 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 154 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Gylan Mulkey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/14/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR02485 |
| Federal ID | OR02485 |
| More Info | State Dam Safety Program |