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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

This web site provides query access to over 200 million monitoring records originally reported to EPA via the Legacy STORET System.

Need help using the STORET Legacy Data Center? Try using one of our various resources below to answer your questions.

Advanced Query User Guide: A list of the filter criteria used in the Advanced Query with a description of the purpose for each one. Most topics contain a link to the glossary.

Glossary: The definitions of terms and acronyms used throughout the site. A more general glossary of environmental terms can be found in the EPA Dictionary.

Help Desk : Need answers fast? Call the STORET Hotline at 1-800-424-9067 or contact us at STORET@epa.gov

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