OWTS Program Exam Schedule
Effective July 15, 2019, Rhode Island-registered Professional Engineers are licensed to design septic systems in Rhode Island in compliance with the Rhode Island Board of Registration for Professional Engineers and the RIDEM OWTS Rules and Regulations specific to system siting and design. On July 15, 2019, the Governor signed the House (H 5365) and Senate (S 398) bills amending Title 5 Businesses and Professions, Chapter 5-56.1 Designers of Individual Sewage Disposal Systems.
Although it is unlikely, all dates are subject to change. In the event of a changing date, this schedule will be updated, and registered applicants will be notified.
Installer Exam Prep
(First) Spring Installer Exam Prep:
- Date: March 6 and March 7, 2025
- Time: 9 am - 1 pm
- Virtual Event
(Second) Fall Installer Exam Prep:
- Date: TBD
- Time: 9 am - 1 pm
- Virtual Event
Event Details:
- OWT 100
- Conventional Onsite Wastewater Treatment Basics for Installers
- New England Onsite Wastewater Training Center Contact Information
Installers' Exam
(First) Spring Installers Exam:
- Date: Wednesday March 19, 2025
- Application Deadline: March 17
- Time: 9 am - Noon
- Location: Room 300, DEM Headquarters, 235 Promenade Street, Providence, RI (directions)
(Second) Fall Installers Exam:
- Date: TBD
- Application Deadline: TBD
- Time: 9 am - Noon
- Location: Room 300, DEM Headquarters, 235 Promenade Street, Providence, RI (directions)
Designer Exam Prep
Date: TBD
Time: TBD
Location: TBD
Event Details:
- OWT 120
- RI Designer Examination Prep
- New England Onsite Wastewater Training Center Contact Information
Class I Exam
- Date: Wednesday March 19, 2025
- Application Deadline: March 17
- Time: 9 AM - 1 PM
- Location: Room 300, DEM Headquarters, 235 Promenade Street, Providence, RI (directions)
(Second) Fall Exam:
- Date: TBD
- Application Deadline: TBD
- Time: 9 am to 12 pm
- Location: Room 300, DEM Headquarters, 235 Promenade Street, Providence, RI (directions)
Class II Exam
- Date: TBD
- Application Deadline: TBD
- Time: 9 am to 12 pm
- Location: Room 300, DEM Headquarters, 235 Promenade Street, Providence, RI (directions)
Class IV Exam
- Written Exam: TBD
- Time: 9 am - Noon
- Field: TBD, must pass written portion first
OWTS Licensing Applications and Forms
Class-II Renewal Form With and Without Class-IV License 2024
PDF file, less than 1megabytes
Class-III Renewal Form With and Without Class-IV License 2024
PDF file, less than 1megabytes
OWTS Application for Class-I Designer License Renewal 2023
PDF file, less than 1megabytes
OWTS Application for Installer Examination and License
PDF file, less than 1megabytes
OWTS Application for Installer Renewal 2023
PDF file, less than 1megabytes
OWTS Application for Designer License Examination (Classes I and II)
PDF file, less than 1megabytes
OWTS Application for Renewal of Designer License Class IV*
PDF file, less than 1megabytes
OWTS Application for Soil Evaluator License Examination
PDF file, less than 1megabytes
Cl-IV Soil Evaluator Exam Eligibility Assessment Request Form
PDF file, less than 1megabytes
Approved Soil Courses (Cl-IV Exam Eligibility)
PDF file, less than 1megabytes
Application for New Designers’ License After Passing Exam (Classes I,II, and IV)
PDF file, less than 1megabytes
CIass-I Designer Renewal Application Form 2020
PDF file, less than 1megabytes
Construction Permit Application Submission Checklist
PDF file, less than 1megabytes
OWTS Application for Class-III License
PDF file, less than 1megabytes
Installer License Renewal Application Form 2020
PDF file, less than 1megabytes
Self Reporting CEU Form
PDF file, less than 1megabytes