Photo by Haley Ausbun
                                Gene Coulon Memorial Park Beach, July 2018.

Photo by Haley Ausbun Gene Coulon Memorial Park Beach, July 2018.

You can boat in the water, just don’t get in it

Gene Coulon Memorial Park Beach closed to swimming

Despite temperatures estimated to finally look like summer, just in time for the Fourth, it won’t be time to get into Renton’s most popular swimming beach.

Gene Coulon Memorial Park Beach continues to close its swimming beaches into next weekend, which will be in effect during the firework display and Independence Day celebrations Thursday, July 4, after it continued to test high in bacteria.

The swimming area will be closed until Sunday, July 7. Boaters can still head into the water to watch the fireworks display Thursday.

There are no restrictions on boating, just physically getting into and touching the water, Renton Deputy Public Affairs Administrator Preeti Shridhar said. People and pets are advised not to swim, drink lake water or any other water-contact activities.

The beach has been closed since June 14, after being tested for higher bacteria in the water than the safe range.

On June 26, the water tested at an average daily bacteria of 5,466 colony-forming units (CFU) per half-cup of water, according to King County Water and Land Services. Beaches usually close when the count is over 1,000 CFU per half-cup of water.

The water started to appear safe on June 24, testing for only 166 CFU. On June 13, the water tested for 1,449 CFU.

Updates and additional information are available at

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