05/16/2020 - COVID-19 UPDATE: In accordance with the State of California, skate parks, dog parks, athletic fields, park restrooms, and outdoor courts for tennis, pickle ball, basketball, and volleyball are now open. Park patrons are still required to practice social distancing in all activities at the parks and wear face masks. JCSD Headquarters Lobby, and ALL Recreation & Sports facilities including the Eastvale Community Center, Harada Neighborhood Center, Splash Pads, Exercise Equipment, and Playgrounds are still CLOSED until further notice. For questions, please call (951) 727-3524.

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Mosquito Spray Treatments

Post Date:05/07/2020 1:38 PM

Northwest Mosquito & Vector Control District will perform adult mosquito spray treatments on May 21st, 2020 to lower the mosquito population affecting recreational and residential areas along the Santa Ana River in the City of Eastvale. The spray application will be conducted between the hours of 2:00 am to 6:00 am at the following locations: the Riverwalk Park and bike trail located next to the Santa Ana River, Eastvale Community Park, and Granja Vista Wetlands.

This action is in response to elevated trap counts and proactively helps prevent diseases such as West Nile Virus.  (  It is in the interest of public health and safety.  Posting notifications helps with awareness and transparency.  Signs were posted on May 19th, 2020 in the areas affected by their spray operations to inform the public of their activities. 


Information regarding the treatment is posted on their website at If there are any questions or concerns, please contact the District at 951-340-9792. 

5.19.20 mosquito map - website news graphic


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