Category Archives: CTTM how to

CTTM How-to posts for teachers

Adding a New Building

Crowd the Tap considers how the entire delivery system from water supply to tap might affect water quality. The building in which the tap is located is a key element in that system. This post describes the information that students collect about individual buildings.…

How CTTM Data Are Organized

Students collect CTTM data about buildings, taps, water chemistry and water quality using paper worksheets. They use different dataheets for different kinds of data. This post explains how the different datasheets relate to each other and will help teachers in organizing and overseeing the students’ work as they enter data.…

photo of public water system facilities

Public Water Systems in Maine

Maine is a rural state. Rather than having a few big city water systems, Mainers get their water from many small and mid-sized public systems in addition to private wells. In this post we provide information about the different kinds of public water systems that students will need as they map drinking water quality.…