40 CFR § 81.84 - Metropolitan Fargo-Moorhead Interstate Air Quality Control Region.

---
identifier: "/us/cfr/t40/s81.84"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.84 - Metropolitan Fargo-Moorhead Interstate Air Quality Control Region."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.84"
section_name: "Metropolitan Fargo-Moorhead 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"
---


# 81.84 Metropolitan Fargo-Moorhead Interstate Air Quality Control Region.

The Metropolitan Fargo-Moorhead Interstate Air Quality Control Region (North Dakota-Minnesota) consists 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 North Dakota: Cass County.

In the State of Minnesota: Clay County.