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Lead and Copper Concentrations in North Creek, Gig Harbor

Publication number Date Published
08-03-038December 2008
VIEW NOW Lead and Copper Concentrations in North Creek, Gig Harbor (Number of pages: 27) (Publication Size: 2MB)

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Author(s) Golding, S.
Description Lead and copper concentrations in North Creek and Donkey Creek were monitored on April 10 and April 21, 2008. North Creek flows across the eastern quarter of the Gig Harbor Sportsman Club.

Samples from North Creek taken just downstream of the Club showed dissolved lead concentrations as high as 200 ug/L. This exceeds chronic water quality criteria by a factor of approximately 900, and is the highest lead concentration found in Washington State surface waters. A 200 times increase in lead levels downstream from samples taken upstream indicates the Club was the source of lead in North Creek. Continued 303(d) listing for North Creek is recommended.
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Keywords hazardous sites list, site hazard assessment, toxics, creek, health, 303(d), section 303, cleanup, water, assessment, lead, copper, clean water act
WATERSHED Water Resource Inventory Area 15 Kitsap
DATA Environmental Information Management (EIM) #SGOL009


Quality Assurance Project Plan: Lead and Copper Concentrations In North Creek, Gig Harbor