Operator Training Committee of Ohio, Inc

3972 Indianola Avenue * Columbus, Ohio 43214-3158

Phone (614) 268-6826 * Fax (614) 268-3244

Email: otco@otco.org

Correspondence Courses

PDF Flyer

Online Registration Forms

Basic Water

Advanced Water

Water Distribution

Basic Wastewater

Advanced Wastewater


Collection Systems


Correspondences courses are to allow individuals who chose not to attend classroom course, the opportunity to complete the related coursework. Students are assigned a counselor to assist them with completion. The responsibility of the counselor is to grade the homework assignments, exams, and to comment via mail, email, or telephone.


The textbooks for the correspondence courses are the same textbooks utilized in the classroom courses. All counselors are Ohio EPA certified operators. Students are given 12 months to complete the coursework with a 6 month optional extension. Please allow 2-3 week for delivery of material.