Sherman Stock Reservoir #1 is an earth dam located in Columbia County, Oregon, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 180 ft long, taller than 62% 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 Sherman Stock Reservoir #1
The primary purpose of Sherman Stock Reservoir #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jeff Heller (private). It impounds the Sly Creek, Trib to near Warren.
The dam stands 28 feet tall and stretches 180 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 36 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, 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 12/16/2019.
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Location
| State | Oregon |
| County | Columbia |
| Nearest City | Warren |
| River/Stream | Sly Creek, Trib to |
| Coordinates | 45.78367, -122.88170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 180 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 288 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jeff Heller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/16/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR03040 |
| Federal ID | OR03040 |
| More Info | State Dam Safety Program |