191104-N-HC646-0009 OAK HARBOR, Wash. (Nov. 4, 2019) Jaime Jensen, Naval Facilities Engineering Command (NAVFAC) environmental water program manager, surveys the sand filter working site constructed on Naval Air Station Whidbey Island. The sand filter pit was constructed to decrease litter, storm water flow, and bank erosion to Clover Valley Creek. (U.S. Navy photo by Mass Communication Specialist 2nd Class Marc Cuenca/Released)