Industrial Wastewater Treatment SEPA
Monitoring Checklist	
United States
Environmental Protection
Agency
Subpart II, Greenhouse Gas Reporting Program
What Must Be Monitored for Each Facility with On-Site Industrial Wastewater Treatment
that Meets the Requirements of §98.350 and §98.351 ?
Each facility with an anaerobic reactor or anaerobic lagoon must monitor
	these parameters...	
Volume of wastewater entering each	Concentration of COD or BODs of
~ anaerobic reactor or anaerobic lagoon	~ wastewater entering each anaerobic
(weekly)	reactor or lagoon (weekly)
Each facility with an anaerobic reactor, anaerobic lagoon or anaerobic sludge
digester from which some biogas is recovered must also monitor these
	parameters...	
~
~
~
Volumetric flow rate of recovered
biogas (continuously)
Temperature at which biogas flow and
CH4 content are measured, unless
temperature is incorporated into
monitoring equipment internal
calculations (weekly)
Moisture content at which biogas flow
and CH4 content are measured unless
moisture content is incorporated into
monitoring equipment internal
calculations (weekly)
[-] CH4 content of recovered biogas
(continuously, if available, or weekly)
Pressure at which biogas flow and
CH4 content are measured, unless
~ pressure is incorporated into
monitoring equipment internal
calculations (weekly)
Operating hours per year of each
O biogas destruction device (and backup
destruction device, if applicable)
See also the information sheet for Industrial Wastewater Treatment at:
https://www.epa.gov/ghgreporting/information-sheet-subpart-ii-industrial-wastewater-treatment
This document is provided solely for informational purposes. It does not provide legal advice,
have legally binding effect, or expressly or implicitly create, expand, or limit any legal rights,
obligations, responsibilities, expectations, or benefits in regard to any person. This information
is intended to assist reporting facilities owners in understanding key provisions of the
Greenhouse Gas Reporting Program.
Industrial Wastewater Treatment Monitoring Checklist
Greenhouse Gas Reporting Program
Page 1 of 1
40 CFR 98, subpart II
March 2018

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