MyTapWater helps you find tap water quality data across US

Find US tap water quality data by zip cod using MyTapWater, an online database of drinking water data, focused on the United States. The goal of the project was to provide the best possible water quality information to US residents and visitors in an easy-to-use manner.

The vast majority of the data on the site was provided free-to-use by US government agencies (both federal, state, local) and make available through tools like


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