From Morris County Government:
August 2, 2017 Adult Control Operation
Due to an increase in the adult mosquito population, weather dependent, we will be using an all terrain vehicle sprayer to treat the woods at the following location between the hours of 8AM-12PM
East Hanover – Klinger Rd, Balsam Ave
In addition, due to an increase in West Nile Virus activity, we will be using a backpack sprayer to treat the woods at the following location during the same time.
Chester Twp – Community Gardens
More info at https://morriscountynj.gov/2017/08/august-2-2017-adult-control-operation/