Information provided for informational purposes only

Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated.

 

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

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Legacy STORET Level 2a
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)