Sundstrom Dam No 1 is an earth dam located in San Juan County, Washington, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 220 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 Sundstrom Dam No 1
The primary purpose of Sundstrom Dam No 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wilson, Bob (private). It impounds the Tr-false Bay.
The dam stands 16 feet tall and stretches 220 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 60 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.
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Location
| State | Washington |
| County | San Juan |
| River/Stream | Tr-false Bay |
| Coordinates | 48.52849, -123.03899 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 220 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 13 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Wilson, Bob |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA01115 |
| Federal ID | WA01115 |
| More Info | State Dam Safety Program |