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Legacy STORET Level 2a

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.

Name Description
AMBNT Monitoring ambient conditions of the environment. Includes facility intakes pulling directly from an ambient source (e.g., STREAM/AMBNT/MUN/INTAKE).
NONAMB Monitoring at or within a man-made facility. Compliance monitoring falls into this category. Includes sites where facility discharge has directly influenced or impacted though not necessarily polluted the environment (e.g., PIPE/NONAMB/IND/OUTFL/NTRTMT).

STORET Data Access

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