Water Treatment Plant Group Tour Request Home » Departments » Water Treatment » About the Water Treatment Plant » Water Treatment Plant Group Tour Request Page Content The City of Ann Arbor offer tours of the Water Treatment Plant for groups of 10 or more. Please fill out this form to request a group tour of the Water Treatment Plant. First Name Last Name Company/Organization/School Contact Phone Contact E-mail Desired Date Desired Time Tours are offered during regular business hours, between 8am and 5pm. Are your dates flexible? YesNo Minimum and maximum age of tour attendees Number of attendees in group The City of Ann Arbor does not currently offer individual tours of the Water Treatment Plant.