
Be a Mad Hatter at the Martha Liebert Public Library in Bernalillo
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- December 10, 2025 at 7:00 AM


Provide water quality data for wadeable streams in Oklahoma
Multiple locations, including yours!

Study and educate the public about local water quality
Multiple locations, including yours!

Protect Wisconsin’s clean water for future generations.
Multiple locations, including yours!

Improve Chesapeake Bay water quality
Multiple locations, including yours!

Help produce predictions of Earth’s climate.

We’re creating a national inventory of tap water pipes.
Multiple locations, including yours!

Long-term monitoring of hard bottom marine benthic communities

To monitor and test the quality of drinking water in parks
We hope to limit the exposure of people to harmful metals in their drinking water.