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Sunday, July 24th, 2005: Page updated at 12:00 AM

Beach rankings


The Seattle Times analyzed available state, county and city test results for the years 2001 through 2004 and looked for beaches that showed signs of chronic bacterial pollution. The rankings are based on whether, over the four years, a beach met the following criteria:

• Repeatedly had bacteria levels over the E.P.A.’s limits.
• Was repeatedly closed to the public.

For current information about King County's beach closures or advisories, visit dnr.metrokc.gov/wlr/waterres/swimbeach/

Historical water quality/condition
Good.
Moderate pollution levels. Not enough to trigger a closure, but higher than average.
Repeated pollution at levels that would trigger beach closures or advisories.


Name Rating
Alki Beach Park
Alki Point Light Station
Carkeek Park
Charles Richey Sr. Viewpoint
Discovery Park
Echo Lake Park
Gene Coulon Memorial Beach Park
Golden Gardens Park
Green Lake
Hidden Lake
Idylwood Beach Park
Juanita Beach Park
Lake Sammamish State Park beach
Lincoln Park
Lowman Beach Park
Luther Burbank Park
Madison Park beach
Madrona Park beach
Matthews Beach Park
Medina Beach Park
Meydenbauer Beach Park
Mt. Baker Park beach
Newcastle Beach Park
O. O. Denny Park beach
Rattlesnake Lake
Redondo Pier
Richmond Beach
Road End Beach, Yarrow Point
Saltwater State Park
Seacrest Park
Seahurst Park
Seward Park, Andrews Bay
Warren G. Magnuson Park beach
 

+ Resources for current quality or beaches closures

+ Detailed color level definition

Freshwater

  1. Exceeded the U.S. Environmental Protection Agency's guidelines for a seasonal limit for e. coli (a geometric mean of 126 colony-forming-units/100 ml.) two of the last four years.
  2. Exceeded EPA limit for a single sample (235 cfu/ 100 ml.) at least 20 percent of the time three of the last four years (or 75 percent of total number of years).
  3. Closed due to high bacterial levels, sewage spills or potentially toxic algae three of the last four years (or 75 percent of total number of years).
  1. Annual geometric mean exceeded 60 cfu/100 ml. at least twice in the last four years for e. coli
  2. Exceeded single-sample limit at least 20 percent of the time at least twice in last four years (or 50 percent of the time).
  3. Closed due to high bacterial levels, sewage spills or potentially toxic algae two of the last four years.
  1. Annual geometric mean has exceeded 60 for e-coli no more than one of the last four years.
  2. Single-sample limits were not exceeded by more than 20 percent in any given year.
  3. Closures posted no more than one in the last four years.

Saltwater

  1. Exceeded EPA annual limit for enterococci (a geometric mean of 35 colony-forming-units/100 ml.) two of the last four years.
  2. Exceeded EPA single-sample limit of 104 cfu/100ml. at least 20 percent of the time three of the last four years (or 75 percent of total number of years).
  3. Closed due to high bacterial levels, sewage spills or potentially toxic algae three of the last four years (or 75 percent of total number of years).
  1. Annual geometric mean exceeded 25 cfu/100 ml. at least twice in the last four years for enterococci.
  2. Exceeded single-sample limit at least 20 percent of the time at least twice in last four years (or 50 percent of the time).
  3. Closed due to high bacterial levels, sewage spills or potentially toxic algae two of the last four years.
  1. Annual geometric mean has exceeded 25 for enterococci no more than one of the last four years.
  2. Single-sample limits were not exceeded by more than 20 percent in any given year.
  3. Closures posted no more than one in the last four years.

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