Mosquito spray notice From the Westfield Regional Health Department:
Please be advised, Union County Mosquito Control will be spraying for Adult mosquitoes Thursday, June 5, 2025, between the hours of 6:00PM to 11:00PM (Weather Permitting). If you have any questions or concerns, please contact the Union County Office of Mosquito Control at 908-654-9834 or 908-654-9835.
Summit is included in the list of areas to be sprayed.