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Effluent Statistic

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.

Code Name Print Format
I Average Concentration AC
J Minimum Concentration LC

Maximum Concentration

M Average Loading (lbs/day assumed) AL
P Minimum Loading (lbs/day assumed) LL
Q Maximum Loading (lbs/day assumed) HL
R Number of Exceptions NE
T Type of Sampling FA
W Self-monitoring ST
! Minimum Concentration (30 days) LCX
? Maximum Concentration (30 days) HCX
@ Maximum Loading (30 days) HLX
& Mass Units MU
= Number of analyses #A

STORET Data Access

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