**In-Person Course**

Concepts and Practices of Drinking Water Distribution
For Grades D2, D3 & D4

Date: Wednesdays, February 25 – May 13, 2026
Note: Week 6 meets Tuesday, March 31, not Wednesday, April 1.
Time: 8:30AM - 12:00PM

This is a 12-week state-approved course that is being taught live in-person. The course is designed to cover the concepts of drinking water distribution. Taking and passing this course is a prerequisite for taking the Massachusetts Grades D2, D3 and D4 Drinking Water Licensing Exam(s).

Participants will meet for 3 ½ hours each week and learn information important to a distribution operator including: hydrology, source waters, basic math and chemistry, regulations, water sampling, hydraulics, distribution system components (pipes, valves, pumps, tanks, and meters), equipment operation and maintenance, safety and administrative duties. (Note: Basic math knowledge is required for this course. Individuals not comfortable with math concepts should consider taking a math course before taking this course.)

Participants who successfully complete this course are issued both a letter and a Certificate of Completion, which also documents up to 37 Training Contact Hours (TCH). Successful completion requires achieving a final score of 70 points through a combination of attendance (must attend minimum of 10 classes), homework, the midterm exam and the final exam. (Note: Certificates will be issued only after full payment has been received.)

Starting Date:  Wednesday, February 25, 2026
Time:  8:30 AM – 12:00 PM

Location:  COMM Fire District HQ
1875 Falmouth Road (Rte. 28)
Centerville, MA 02632

Instructor: Bob Prophett

TCHs: 37

Cost: $900

• You will receive a reminder email approximately one week before the course to reconfirm your registration and give you instructions for the class

Download the Course Flyer

Register Now

Photograph/Video Release Agreement:
Participation in this course constitutes an agreement by the attendee to allow the Massachusetts Water Works Association (MWWA) to use and distribute the participant’s image in any MWWA-related publication or social media site.

Cancellation Policy:  Link