The City of RentonCity of Renton on June 16 will apply an aquatic herbicide to the waters of the swim beach and boat harbor at Gene Coulon Memorial Beach Park and at Kennydale Beach Park for the treatment of milfoil.

Milfoil is an aquatic non-native weed that flourishes in Washington. An additional treatment will occur on Thursday, June 17, if it cannot be completed on June 16.

The process includes applying an aquatic herbicide below the surface of the water, which then settles on the plants.

Gene Coulon Memorial Beach Park swim area and Kennydale Beach Park will be closed on June 16 in order to conduct the application.

The product used for this application is very safe and is authorized by the Washington State Department of Ecology. Aquatechnex LLC, the contractor conducting the application, has notified area residents and has posted signs.