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
K	Maximum Concentration	HC
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