Koreis Dam is an earth dam located in Franklin County, Washington, built in 1982. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 5,900 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 Koreis Dam
The primary purpose of Koreis Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Denniskoreis (private). It impounds the Tr-siphon Creek-offstream.
The dam stands 8 feet tall and stretches 5,900 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 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.
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Location
| State | Washington |
| County | Franklin |
| River/Stream | Tr-siphon Creek-offstream |
| Coordinates | 46.61560, -119.19842 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Length | 5,900 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Denniskoreis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00484 |
| Federal ID | WA00484 |
| More Info | State Dam Safety Program |