40 CFR Part 122
EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
June 9, 2020
Subpart
A
Definitions and General Program Requirements
Subpart
B
Permit Application and Special NPDES Program Requirements
Subpart
C
Permit Conditions
Subpart
D
Transfer, Modification, Revocation and Reissuance, and Termination of Permits
Appendix
A
NPDES Primary Industry Categories
Appendix
B
Appendix
C
Criteria for Determining a Concentrated Aquatic Animal Production Facility (§122.24)
Appendix
D
NPDES Permit Application Testing Requirements (§122.21)
Appendix
E
Rainfall Zones of the United States
Appendix
F
Incorporated Places With Populations Greater Than 250,000 According to the 1990 Decennial Census by the Bureau of the Census
Appendix
G
Incorporated Places With Populations Greater Than 100,000 But Less Than 250,000 According to the 1990 Decennial Census by the Bureau of the Census
Appendix
H
Counties With Unincorporated Urbanized Areas With a Population of 250,000 or More According to the 1990 Decennial Census by the Bureau of the Census
Appendix
I
Counties With Unincorporated Urbanized Areas Greater Than 100,000, But Less Than 250,000 According to the 1990 Decennial Census by the Bureau of the Census
Appendix
J
NPDES Permit Testing Requirements for Publicly Owned Treatment Works (§122.21(j))
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