Company Daviess County Health Dept. Business Location Washington, IN 47501 Installer Certification Number 240 Installer Cert Expires 3/15/23 2-5-2020 OSS Program 5 2-4-2020 OSS Program 5 2020 IOWPA Conf. 10 4-2-2019 OSS Program 4 2019 IOWPA Conf 10 OSS annual mtg Feb 26-27, 2018 10 2018 IOWPA Conf. 10