{"data":{"id":"us/40-cfr-appendix-h-to-part-122","jurisdiction":"us","citation":"40 CFR Appendix H to Part 122","heading":"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","body":"State County Unincorporated urbanized population\nCalifornia Los Angeles 886,780\nSacramento 594,889\nSan Diego 250,414\nDelaware New Castle 296,996\nFlorida Dade 1,014,504\nGeorgia DeKalb 448,686\nHawaii Honolulu 1 114,506\nMaryland Anne Arundel 344,654\nBaltimore 627,593\nMontgomery 599,028\nPrince George's 494,369\nTexas Harris 729,206\nUtah Salt Lake 270,989\nVirginia Fairfax 760,730\nWashington King 520,468\n1 County was previously listed in this appendix; however, population dropped to below 250,000 in the 1990 Census.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"0b22dfb175074a2ab9c56f71f3cb99620291bad76b9ca818cd540d81ae0477d9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-g-to-part-122","next":"us/40-cfr-appendix-i-to-part-122"},"notice":"GroundRules: Original legal text. Not legal advice."}