The application form is available online or from the NHDES Wastewater Operation Section by calling (603) 271-2586 or (603) 271-2940. The deadline to submit applications to NHDES is October 23, 2020. The NHDES Certification Committee will notify applicants of their eligibility within 25 days of the exam date. Send application to NHDES at PO Box 95 Concord, NH 03302-0095.