Effluent Monitoring Intent

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
SC	State Compliance Monitoring
SW	State WLA (waste load allocation)
SI	State Intensive Survey
SB	State Bioassay Study
EC	EPA Compliance Monitoring
EW	EPA WLA (waste load allocation)
EI	EPA Intensive Survey
EB	EPA Bioassay Study
SM	Self-monitoring
2C	Form 2C--126 Priority Toxic Pollutants