GroundRules
40 CFR Appendix H to Part 122: Appendix H to Part 122—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
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER D—WATER PROGRAMS
- PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
State County Unincorporated urbanized population
California Los Angeles 886,780
Sacramento 594,889
San Diego 250,414
Delaware New Castle 296,996
Florida Dade 1,014,504
Georgia DeKalb 448,686
Hawaii Honolulu 1 114,506
Maryland Anne Arundel 344,654
Baltimore 627,593
Montgomery 599,028
Prince George's 494,369
Texas Harris 729,206
Utah Salt Lake 270,989
Virginia Fairfax 760,730
Washington King 520,468
1 County was previously listed in this appendix; however, population dropped to below 250,000 in the 1990 Census.
Collected 2026-08-27T02:26:04Z. Source file · JSON