40 CFR § 81.58 - Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region.

---
identifier: "/us/cfr/t40/s81.58"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.58 - Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.58"
section_name: "Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "81"
part_name: "DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401,"
regulatory_source: "36 FR 22421, Nov. 25, 1971, unless otherwise noted."
cfr_part: "81"
---


# 81.58 Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region.

The Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Alabama: Autauga County, Bullock County, Butler County, Crenshaw County, Elmore County, Lee County, Lowndes County, Macon County, Montgomery County, Pike County, Russell County.

In the State of Georgia: Chattahoochee County, Dooly County, Harris County, Marion County, Muscogee County, Quitman County, Schley County, Stewart County, Sumter County, Talbot County, Taylor County, Webster County.