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Skagit Bay Fecal Coliform Bacteria Loading Assessment

Publication number Date Published
12-03-035June 2012
VIEW NOW Skagit Bay Fecal Coliform Bacteria Loading Assessment (Number of pages: 77) (Publication Size: 5074KB)

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Author(s) Kardouni, J.
Description Study results from 2010 - 2011 show that the majority of fecal coliform bacteria (FC) loading to Skagit Bay comes from the Skagit River. The Skagit River itself, however, meets Washington State water quality criteria for FC. West Pass contributes the second most FC loads to the bay and does not meet water quality criteria. All other surface water discharges combined contribute approximately 5% of the annual average loading to the bay. Freshwater FC loads showed a direct relationship with marine FC concentrations. Increased precipitation showed an increase in FC concentrations and loading at all but one sampling location.
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Keywords Skagit Bay, Skagit River, fecal coliform, bacteria
WATERSHED Water Resource Inventory Areas
(WRIA 03,WRIA 05)
DATA Environmental Information Management (EIM) #JKAR0002


Quality Assurance Project Plan: Skagit Bay Fecal Coliform Bacteria Loading Assessment

Lower Skagit River Fecal Coliform Total Maximum Daily Load Submittal Report -- Water Cleanup Plan