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 Although the information provided here was accurate and current when first created, it is now outdated.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.


epalogo.gif (2410 bytes) Navigation Bar
Primary Activity Category
Code Name
C Effluent Permit Condition
V Effluent (Sample)
L Biological Sample
J Tissue
S Spatial Composite
T Temporal Composite
B Both Spatial and Temporal Composite
F Flow Proportional
G Grab Sample
D Replicate