Hills Reservoir (polk) is an earth dam located in Polk County, Oregon, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 290 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 Hills Reservoir (polk)
The primary purpose of Hills Reservoir (polk) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Chuck & Maxime Dehn (private). It impounds the Spring Valley Creek.
The dam stands 19 feet tall and stretches 290 feet across, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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 01/14/2014. That was over 12 years ago.
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Location
| State | Oregon |
| County | Polk |
| River/Stream | Spring Valley Creek |
| Coordinates | 45.04371, -123.09833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 290 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 43 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 23 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Chuck & Maxime Dehn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/14/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR01925 |
| Federal ID | OR01925 |
| More Info | State Dam Safety Program |