Welcome to STORET, EPA's largest computerized environmental data system.

STORET (short for STOrage and RETrieval) is a repository for water quality, biological, and physical data and is used by state environmental agencies, EPA and other federal agencies, universities, private citizens, and many others. Take a minute to browse around our site or click on the water drop to retrieve monitoring data!

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About STORET   |   Data Owner's Corner   |   Updates and Downloads   |   Obtaining Water Quality Data   |   Useful Links   |   Commonly Asked Questions

Comments? If you have a question or comments on this website or on the STORET system,
please call STORET User Assistance at 1-800-424-9067,
or send us an email at STORET@epa.gov.

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