Rhode Island Water & Wastewater Operator Certification

Who regulates water operators in Rhode Island?

Drinking water: Rhode Island Department of Health/Board of Certification of Operators of Drinking Water Supply Facilities. Wastewater: Rhode Island DEM/Board of Certification of Operators of Wastewater Treatment Facilities. administers the credentials covered here.

Visit the official agency →

Certification types

• Drinking-water treatment and distribution: VSS and Classes 1-4, full and OIT except no Class 4 OIT. Wastewater treatment: Grades 1-4, with optional Tier Two renewal designation 1T-4T.

Certification levels / grades / classes

Drinking-water treatment and distribution: VSS and Classes 1-4, full and OIT except no Class 4 OIT. Wastewater treatment: Grades 1-4, with optional Tier Two renewal designation 1T-4T.

Initial certification requirements

Drinking water: Board-approved paper or PSI exam application; VSS-Class 3 may test after meeting education and later upgrade OIT after experience, while Class 4 requires experience before exam. Wastewater: high school/GED plus grade-specific experience/DRC and passing Board examination (or approved Grade 1 course pathway).

Exam information

Drinking water: Board-approved paper or PSI exam application; VSS-Class 3 may test after meeting education and later upgrade OIT after experience, while Class 4 requires experience before exam. Wastewater: high school/GED plus grade-specific experience/DRC and passing Board examination (or approved Grade 1 course pathway).

Renewal cycle

Drinking full: three years; OIT: two. Drinking TCH: VSS 3 full/2 OIT; Classes 1-2 15/10; Class 3 30/20; Class 4 full 30. Wastewater licenses renew every two years at end of odd years; Tier One has no mandatory training, optional Tier Two requires 20 approved hours (the Board may activate a universal 20-hour MRR by notice).

Continuing-education requirements

Drinking full: three years; OIT: two. Drinking TCH: VSS 3 full/2 OIT; Classes 1-2 15/10; Class 3 30/20; Class 4 full 30. Wastewater licenses renew every two years at end of odd years; Tier One has no mandatory training, optional Tier Two requires 20 approved hours (the Board may activate a universal 20-hour MRR by notice).

Reciprocity / out-of-state operators

Drinking: Board verifies the out-of-state requirements are equivalent. Wastewater: Board may issue comparable grade without exam for an ABC-recognized jurisdiction when its requirements are equivalent.

Water vs. wastewater differences

Drinking-water treatment and distribution: VSS and Classes 1-4, full and OIT except no Class 4 OIT. Wastewater treatment: Grades 1-4, with optional Tier Two renewal designation 1T-4T.