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


Registration fee: $510.00

March 28 & 29, 2019

​9:00am - 3:00pm (Both Days)

City of Toledo Water Treatment Plant

3040 York St.

Toledo OH 43606

Instructor: Jeff Martin​

10.0 Contact Hours

PDF Flyer

Online Registration


Registration fee: $580.00   

October 9-11, 2019

Dayton Water Treatment Plant
3210 Chuck Wagner Lane
Dayton, OH 45414
Instructor: Tim Truman

15.0 Contact HoursPDF Flyer
Online Registration

Contact Hours

A total of 10 contact hours will be given for the MMO-MUG/Colilert 18 class. A total of 15 contact hours will be given for the MMO-MUG/Colilert 18 & Membrane Filter class. A “Certificate of Completion” will be sent to each student who successfully completes the course. Contact hours from this training event will be included in the attendee’s official transcript page, located at:   http://www.otco.org  To access this information, have your OTCO Student ID and PIN Number available.

2019 Ohio EPA Microbiological Water Testing Course


All personnel performing analyses of public drinking water in a certified laboratory must be certified by the State of Ohio Environmental Protection Agency (OEPA). The Microbiological Water Testing Course is the only course offered by the Ohio EPA for those seeking training for bacteriological examination of drinking water in accordance to the methodologies approved by Ohio EPA. Colilert 18 has been added to the MMO-MUG course.


This is a hands-on training course. Students should have basic laboratory skills. Although the course is designed for those needing training for certification, enrollment is open to anyone who desires this type of training. Class size is limited and OTCO and OEPA reserve the right to give preference to those required to attend the training course for certification requirements.