Shillapoo Lake Dikes is an earth dam located in Clark County, Washington, built in 2007. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 7,400 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 Shillapoo Lake Dikes
The primary purpose of Shillapoo Lake Dikes is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Wa Dfw (state). It impounds the Lake River - Offstream.
The dam stands 10 feet tall and stretches 7,400 feet across, and has a maximum storage capacity of 3,190 acre-feet. Completed in 2007, the structure is relatively new.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Clark |
| River/Stream | Lake River - Offstream |
| Coordinates | 45.70954, -122.74058 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 7,400 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 3,190 acre-ft |
| Max Storage | 3,190 acre-ft |
| Normal Storage | 1,115 acre-ft |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Wa Dfw |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00712 |
| Federal ID | WA00712 |
| More Info | State Dam Safety Program |