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Skagit River Island Unit
Mount Vernon WA 98273
GIS latitude:
48.325332
GIS longitude:
-122.369221
Ecology region:
NWRO
County:
Skagit
Location description:
Two mid channel islands in the estuary of the Skagit River. The west island is between Freshwater and Deepwater sloughs. The east island is between Deepwater and Steamboat sloughs. Coordinates of the middle of the west island are (48.324061, -122.364007). Coordinates of the middle of the east island are (48.319757, -122.359794).
Legislative district:
10
Congressional district:
2
WRIA:
3
Tribal land:
N
Alternate names
Also known as
Skagit River Island Unit
Interactions for this facility/site
Interaction Interaction description Ecology program Ecology program contact Program ID Start date End date
Construction SW GP General permit issued to owner/operators of construction projects that disturb 1 or more acres of land through clearing, grading, excavating, or stockpiling of fill material that discharge stormwater to state waters. WATQUAL (360) 407-6400
WAR314776 7/9/2025
NAICS codes for this facility
Code Description
SIC codes for this facility
Code Description