Loutsis Dam
Loutsis Dam is an earth dam located in King County, Washington, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Loutsis Dam
The primary purpose of Loutsis Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Chris & Carolineloutsis (private). It impounds the Tr-snoqualmie Ri near Duvall.
The dam stands 22 feet tall and stretches 395 feet across, creates a reservoir covering 97 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 01/06/2000. That was over 26 years ago.
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Location
| State | Washington |
| County | King |
| Nearest City | Duvall |
| River/Stream | Tr-snoqualmie Ri |
| Coordinates | 47.72199, -121.97948 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Length | 395 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 97 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 97 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Chris & CarolineLoutsis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/06/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00187 |
| Federal ID | WA00187 |
| More Info | State Dam Safety Program |