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Citizen Earth Watch is a FREE environmental monitoring program for high school classrooms.

Citizen Earth Watch is an experiential investigation of water quality. It guides learners to explore water in their community, consider water challenges around the world, and share their findings with others around the country.

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HELP CREATE A NATIONAL WQI DATABASE

Once you've tested your field sample, share its Water Quality Index with the world! Explore the map or submit your data here.

Explore the Map Enter Your Data

KITS PROVIDE EVERYTHING NEEDED TO FACILITATE A WATER QUALITY INVESTIGATION

Citizen Earth Watch kits provide the tools and materials for an entire classroom to measure the quality of your local water sources. Printed booklets and additional online resources teach students about water quality in an engaging and scaffolded way.

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USE THE FREE WQI CALCULATOR

Our open source calculator allows anyone with the necessary equipment to calculate the Water Quality Index (WQI) of their water sample. Take it for a test drive.

Use the Calculator