Roza Wasteway 6 Reregulation Reservoir is an earth dam located in Benton County, Washington, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 2,150 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 Roza Wasteway 6 Reregulation Reservoir
The primary purpose of Roza Wasteway 6 Reregulation Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Roza Irrigation District (public utility). It impounds the Offstream - Snipes Creek.
The dam stands 20 feet tall and stretches 2,150 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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 | Benton |
| River/Stream | Offstream - Snipes Creek |
| Coordinates | 46.27913, -119.68564 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 2,150 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 75 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Roza Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00583 |
| Federal ID | WA00583 |
| More Info | State Dam Safety Program |