It's that time of year again. One of our biggest shows is just around the corner. Tri-State is a water and wastewater trade show for California, Nevada and Arizona. California Environmental Controls will be showing at booths #318, #320, #322, #324, #322 at the South Point Hotel in Las Vegas, NV. The 32nd Annual Tri-State Seminar will be held on Sept. 20-22, 2016.