The next pesticide testing date at Washington County Extension is June 11th. Tests are offered on the 2nd Friday of each month, April through December, from 10:00 to 2:00 p.m. at the Washington County Extension office. Tests are available at this site and will be given on a first-come, first-serve basis, and are administered by the Iowa Department of Ag and Land Stewardship. It is recommended you confirm the test time and site prior to travel. For more information contact Washington County Extension