Limekiln Dam is an earth dam located in San Juan County, Washington, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 111 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 Limekiln Dam
The primary purpose of Limekiln Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by San Juan County Land Bank (private). It impounds the Tr-deadman Bay.
The dam stands 19 feet tall and stretches 111 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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-deadman Bay |
| Coordinates | 48.51875, -123.14129 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Length | 111 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 118 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | San Juan County Land Bank |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00370 |
| Federal ID | WA00370 |
| More Info | State Dam Safety Program |