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King County Swimming Beach Monitoring
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SITEMAP
Swim Beach Home
Data and Graphs
Archived Data
Swimming Beach Closure Protocol
FAQs
Other Beach Links
About This Program
Related Information
Algae Blooms
Environmental Monitoring
Lake Buoy
Lake Stewardship
Major Lakes
If you have question on this site, please contact
Dean Wilson
206-296-8252.
Andrews Bay - Seward Park 0813SB
Please select a site
Andrews Bay - Seward Park
Angle Lake Beach
Beaver Lake Beach
Clarke Beach
East Gene Coulon
East Green Lake
East Juanita Beach
Echo Lake
Enatai Beach
Fivemile Lake
Gene Coulon
Groveland Beach
Hidden Lake
Houghton Beach
Idylwood Beach
Idylwood Creek
John's Creek
Juanita Beach
Juanita Creek
Kennydale Beach
Lake Sammamish Beach
Lake Wilderness Beach
Logboom Park
Luther Burbank Beach
Madison Park Beach
Madrona Beach
Magnuson Beach
Magnuson Beach Off Leash Area
Marina Park Beach
Matthews Beach
Medina Beach
Meydenbauer Bay Beach
Mount Baker Beach
NE 130th Pl
Newcastle Beach
North Luther Burbank Beach
North Matthews Beach
OO Denny Beach
Pine Lake
Pritchard Island Beach
Rattlesnake Lake
South Luther Burbank Beach
South Matthews Beach
Thornton Creek
Waverly Park Beach
West Gene Coulon
West Green Lake
West Juanita Beach
Wilderness Lake
Yarrow Bay
and a year
select a year
all years
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1996
Bacteria and Temperature
Charts
Algal Toxin Data
Sample Date
Temperature
(°C)
Temperature
(°F)
E. Coli
Included in Geomean Calculation?
Fecal Coliform
Fecal Coliform Geometric Mean
05/13/2013
14.0
57.2
Yes
700
Table Legend
Cell Color
Fecal Coliform Value
Concern Level
Individual value < 200 CFU/100 ml
Low Concern
Individual value >= 200 & < 1000 CFU/100 ml
Moderate Concern
Individual value >= 1000 CFU/100 ml
or geometric mean >= 200 CFU/100 ml
High Concern
Seattle Parks Department