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Seaplane Base

Seaplane Base On-Base PFAS Investigation

Across the country, the Navy has been conducting base-wide evaluations to identify additional potential PFAS releases. These evaluations are being conducted under the Navy’s Environmental Restoration Program which meets the requirements of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Following CERCLA, the Navy’s base-wide assessments are called preliminary assessments/site inspections, and their purpose is to verify, validate, and update the inventory of PFAS release sites aboard the installation for further investigation and cleanup. 

At NAS Whidbey Island, the Navy has completed Preliminary Assessment for the Seaplane Base. The PA identified two sites with potential PFAS releases. A site inspection (SI) will be conducted at each site to determine the presence of PFAS in the soil and groundwater. The final SI Sampling and Analysis Plan is posted below. The field work was conducted in April 2021. The SI report will be posted when finalized. More information will be added to this website as it is available.


Final Preliminary Assessment for Per- and Polyfluoroalkyl Substances (PFAS) Seaplane Base, September 2018
Final PFAS Seaplane Base SI SAP.pdf
Final PFAS Seaplane Base SI Report, June 2023

If you have any questions, please contact one of the Public Affairs Officers listed below.

Mike Welding, NASWI Public Affairs Officer
Office: 360-257-2962
Mobile: 360-914-7915 
NAVFAC Northwest Public Affairs Office
Phone: 360-340-5592
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