March 26 from 8:00 am to May 13 from 3:00 pm Basic Wastewater Course Chester Public Safety Building 130 Pleasant St, Chester 48 TCH (Wastewater) Register Now! $660.00 – $760.00 2 tickets left
May 13 from 9:00 am to 12:30 pm Water Treatment: Chlorination 3 TCH (Water) Register Now! $24.00 – $48.00
