

The larger circle (left) represents the estimated yearly average contributions from all freshwater sources to Samish Bay. Seventy percent (70%) comes from the Samish River alone (SAM-00.7). Twenty-five percent (25%) comes from the tidal sloughs around the edge of the Bay.
The smaller circle (right) has the names of tidal sloughs that make up the 25%.
Key to freshwater source abbreviations:
SAM-00.7 Samish River at Bayview Edison Rd.
COL-00.0 Colony Creek at mouth.
OYS-00.0 Oyster Creek at mouth.
SED-PUMP South Edison drainage near liquor store.
NED-PUMP North Edison drainage at Key Avenue.
ALI-PUMP Drainage to Alice Bay.
EDI-01.2 Edison Slough upstream of gates in Edison.
BAY-GATE Drainage W of Samish R mouth.
WED-GATE West Edison drainage near Edison Slough.
MCE-GATE Tidegate to McElroy/Colony Slough.
SMI-GATE Drainage to Edison Slough at Smith Rd.
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