OWTS Study Guides and Application Forms Study Guides Class I OWTS Designer Examination Study Guide PDF file, about 1mbmegabytes Class II OWTS Designer Examination Study Guide PDF file, about 2mbmegabytes Class IV OWTS Designer Examination Study Guide PDF file, about 2mbmegabytes Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems (OWTS) 250-RICR-150-10-6 OWTS Program Exam Schedule Application Forms Application for New Designers’ License After Passing Exam (Classes I,II, and IV) PDF file, less than 1mbmegabytes OWTS Designers' License Examination (Classes I and II) Application PDF file, less than 1mbmegabytes OWTS Soil Evaluators' License Examination Application PDF file, less than 1mbmegabytes OWTS Installers' Examination and License Application (September 2023) PDF file, less than 1mbmegabytes OWTS Installers' Examination and License Application (March 2023) PDF file, less than 1mbmegabytes
Application for New Designers’ License After Passing Exam (Classes I,II, and IV) PDF file, less than 1mbmegabytes
OWTS Installers' Examination and License Application (September 2023) PDF file, less than 1mbmegabytes