Sacheen Lake Wwtp Lagoons
Sacheen Lake Wwtp Lagoons is an earth dam located in Pend Oreille County, Washington, built in 2016. It carries a High hazard potential classification and has a fair condition assessment.
About Sacheen Lake Wwtp Lagoons
Sacheen Lake Wwtp Lagoons is a dam in Pend Oreille, Washington. The dam is owned by Sacheen Lake Water & Sewer District (public utility).
The dam stands 15 feet tall and stretches 3,169 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2016, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/25/2021.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Washington dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Pend Oreille |
| Coordinates | 48.17825, -117.31540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 3,169 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Sacheen Lake Water & Sewer District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/25/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00738 |
| Federal ID | WA00738 |
| More Info | State Dam Safety Program |