Finding of No Significant Impact Lahar Detection System

The National Park Service has completed its environmental review and issued its decision to permit the installation of lahar detection equipment proposed by the U.S. Geological Survey (USGS), Cascades Volcano Observatory within Mount Rainier National Park.

The decision, detailed in the Finding of No Significant Impact (FONSI) for the Lahar Detection System at Mount Rainier, authorizes the USGS to install nine of the proposed 12 monitoring locations within the park. The FONSI, its attachments, and the environmental assessment (EA) are available below and by clicking on the "Document List" button, located on the left sidebar.

Document Content:

508 Lahar Detection System FONSI signed.pdf   (827.5 KB, PDF file) 508 Attachment A_MORA Errata 03032022.pdf   (607.1 KB, PDF file) 508 Attachment B_FINAL MRA.pdf   (946.2 KB, PDF file) 508 Attachment C_Final MOA.pdf   (6.7 MB, PDF file) Attachment D_Mitigations.pdf   (132.9 KB, PDF file) 508 Attachment E_USFWS Concurrence - 2021-I-0937.pdf   (446.4 KB, PDF file) 508 Attachment F_Response to Comments.pdf   (155.9 KB, PDF file) Disclaimer: Links within the above document(s) were valid as of the date published. Note: Some of the files may be in PDF format and can be viewed using the Adobe Acrobat Reader software. You may download a free copy of from Adobe Systems.