Spirit Lake Outflow Safety Improvement Project
Project proposes to evaluate options to improve safety of the outflow at Spirit Lake within Mount St. Helens National Volcanic Monument. In-person public comment meeting, Cowlitz County Event Center in Longview, WA from 4-7pm on October 7, 2025.
Location Summary
Spirit Lake and surrounding areas within Mount St. Helens National Volcanic Monument.
District: Mount St. Helens National Volcanic Monument
Project Milestones
| Milestone | Date |
|---|---|
| NOI in Federal Register | 09/30/2024 |
| DEIS NOA in Federal Register | 08/02/2025 |
| FEIS NOA in Federal Register | 05/2026 (Estimated) |
| Objection Period Start | 05/2026 (Estimated) |
| Decision | 09/2026 (Estimated) |
| Implementation | 09/2028 (Estimated) |
Project Documents
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