Evans Reservoir (wasco)
Evans Reservoir (wasco) is an earth dam located in Wasco County, Oregon, built in 1953. It carries a Low hazard potential classification.
About Evans Reservoir (wasco)
The primary purpose of Evans Reservoir (wasco) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kortge Brothers, Llc The Dalles, 97058 (private). It impounds the Dry Fork Three Mile Creek near The Dalles.
The dam stands 14 feet tall and stretches 259 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 135 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1953, 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 06/07/2018.
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Location
| State | Oregon |
| County | Wasco |
| Nearest City | The Dalles |
| River/Stream | Dry Fork Three Mile Creek |
| Coordinates | 45.51488, -121.30237 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 13 ft |
| Dam Length | 259 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 320 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | KORTGE BROTHERS, LLC THE DALLES, 97058 |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00217 |
| Federal ID | OR00217 |
| More Info | State Dam Safety Program |