Federal Register Notices Related to 8-Hour Ozone (2015) Designations and Classifications

Data is current as of November 30, 2025
Ordered by Category

Click on the 'FR' link to view the Federal Register Notice

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179B DETERMINATION
08/15/2022	CALIFORNIA	Imperial County, CA	87 FR 50030	Proposed Approval
10/20/2022	CALIFORNIA	Imperial County, CA	87 FR 63701	Final Approval
03/07/2023	NEW MEXICO	El Paso-Las Cruces, TX-NM	88 FR 14095	Proposed Approval
03/07/2023	TEXAS	El Paso-Las Cruces, TX-NM	88 FR 14095	Proposed Approval
11/19/2025	ARIZONA	Phoenix-Mesa, AZ	90 FR 52019	Proposed Approval
ATTAINMENT DATE EXTENSION
04/13/2022	UTAH	Uinta Basin, UT	87 FR 21842	Proposed Approval
10/07/2022	UTAH	Uinta Basin, UT	87 FR 60897	Final Approval
04/10/2024	UTAH	Uinta Basin, UT	89 FR 25223	Proposed Approval
ATTAINMENT DATE EXTENSION DENIED
12/16/2024	UTAH	Uinta Basin, UT	89 FR 101483	Final Approval
BOUNDARY CHANGE
06/14/2021	COLORADO	Denver Metro/North Front Range, CO	86 FR 31460	Proposed Approval
06/14/2021	NEW MEXICO	El Paso-Las Cruces, TX-NM	86 FR 31460	Proposed Approval
06/14/2021	TEXAS	El Paso-Las Cruces, TX-NM	86 FR 31460	Proposed Approval
06/14/2021	ILLINOIS	Chicago, IL-IN-WI	86 FR 31438	Final Approval
06/14/2021	ILLINOIS	St. Louis, MO-IL	86 FR 31438	Final Approval
06/14/2021	INDIANA	Chicago, IL-IN-WI	86 FR 31438	Final Approval
06/14/2021	MISSOURI	St. Louis, MO-IL	86 FR 31438	Final Approval
06/14/2021	WISCONSIN	Chicago, IL-IN-WI	86 FR 31438	Final Approval
06/14/2021	WISCONSIN	Manitowoc County, WI	86 FR 31438	Final Approval
06/14/2021	WISCONSIN	Milwaukee, WI	86 FR 31438	Final Approval
06/14/2021	WISCONSIN	Sheboygan County, WI	86 FR 31438	Final Approval
11/30/2021	COLORADO	Denver Metro/North Front Range, CO	86 FR 67864	Final Approval
11/30/2021	NEW MEXICO	El Paso-Las Cruces, TX-NM	86 FR 67864	Final Approval
11/30/2021	TEXAS	El Paso-Las Cruces, TX-NM	86 FR 67864	Final Approval
09/25/2025	UTAH	Northern Wasatch Front, UT	90 FR 46128	Proposed Approval
CHANGE TO A HIGHER CLASSIFICATION (BUMP-UPS)
04/08/2021	CALIFORNIA	San Diego County, CA	86 FR 18227	Proposed Approval
06/02/2021	CALIFORNIA	San Diego County, CA	86 FR 29522	Final Approval
08/13/2021	CALIFORNIA	Kern County (Eastern Kern), CA	86 FR 44677	Proposed Approval
08/13/2021	CALIFORNIA	Nevada County (Western part), CA	86 FR 44677	Proposed Approval
08/13/2021	CALIFORNIA	Sacramento Metro, CA	86 FR 44677	Proposed Approval
10/28/2021	CALIFORNIA	Kern County (Eastern Kern), CA	86 FR 59648	Final Approval
10/28/2021	CALIFORNIA	Nevada County (Western part), CA	86 FR 59648	Final Approval
10/28/2021	CALIFORNIA	Sacramento Metro, CA	86 FR 59648	Final Approval
04/13/2022	ARIZONA	Phoenix-Mesa, AZ	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	Mariposa County, CA	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	87 FR 21842	Proposed Approval
04/13/2022	COLORADO	Denver Metro/North Front Range, CO	87 FR 21842	Proposed Approval
04/13/2022	CONNECTICUT	Greater Connecticut, CT	87 FR 21842	Proposed Approval
04/13/2022	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	DISTRICT OF COL	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	ILLINOIS	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	ILLINOIS	St. Louis, MO-IL	87 FR 21842	Proposed Approval
04/13/2022	INDIANA	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	INDIANA	Louisville, KY-IN	87 FR 21842	Proposed Approval
04/13/2022	KENTUCKY	Cincinnati, OH-KY	87 FR 21842	Proposed Approval
04/13/2022	KENTUCKY	Louisville, KY-IN	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Baltimore, MD	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Allegan County, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Berrien County, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Detroit, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Muskegon County, MI	87 FR 21842	Proposed Approval
04/13/2022	MISSOURI	St. Louis, MO-IL	87 FR 21842	Proposed Approval
04/13/2022	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	OHIO	Cincinnati, OH-KY	87 FR 21842	Proposed Approval
04/13/2022	OHIO	Cleveland, OH	87 FR 21842	Proposed Approval
04/13/2022	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	Dallas-Fort Worth, TX	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	Houston-Galveston-Brazoria, TX	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	San Antonio, TX	87 FR 21842	Proposed Approval
04/13/2022	UTAH	Northern Wasatch Front, UT	87 FR 21842	Proposed Approval
04/13/2022	VIRGINIA	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Door County-Revised, WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Milwaukee, WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Sheboygan County, WI	87 FR 21842	Proposed Approval
07/22/2022	NEVADA	Las Vegas, NV	87 FR 43764	Proposed Approval
10/07/2022	ARIZONA	Phoenix-Mesa, AZ	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	Mariposa County, CA	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	87 FR 60897	Final Approval
10/07/2022	COLORADO	Denver Metro/North Front Range, CO	87 FR 60897	Final Approval
10/07/2022	CONNECTICUT	Greater Connecticut, CT	87 FR 60897	Final Approval
10/07/2022	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	DISTRICT OF COL	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	ILLINOIS	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	ILLINOIS	St. Louis, MO-IL	87 FR 60897	Final Approval
10/07/2022	INDIANA	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	KENTUCKY	Cincinnati, OH-KY	87 FR 60897	Final Approval
10/07/2022	KENTUCKY	Louisville, KY-IN	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Baltimore, MD	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Allegan County, MI	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Berrien County, MI	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Muskegon County, MI	87 FR 60897	Final Approval
10/07/2022	MISSOURI	St. Louis, MO-IL	87 FR 60897	Final Approval
10/07/2022	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	OHIO	Cleveland, OH	87 FR 60897	Final Approval
10/07/2022	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	TEXAS	Dallas-Fort Worth, TX	87 FR 60897	Final Approval
10/07/2022	TEXAS	Houston-Galveston-Brazoria, TX	87 FR 60897	Final Approval
10/07/2022	TEXAS	San Antonio, TX	87 FR 60897	Final Approval
10/07/2022	UTAH	Northern Wasatch Front, UT	87 FR 60897	Final Approval
10/07/2022	VIRGINIA	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Milwaukee, WI	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Sheboygan County, WI	87 FR 60897	Final Approval
01/05/2023	NEVADA	Las Vegas, NV	88 FR 775	Final Approval
02/01/2023	MICHIGAN	Detroit, MI	88 FR 6633	Final Approval
01/26/2024	TEXAS	Dallas-Fort Worth, TX	89 FR 5145	Proposed Approval
01/26/2024	TEXAS	Houston-Galveston-Brazoria, TX	89 FR 5145	Proposed Approval
01/26/2024	TEXAS	San Antonio, TX	89 FR 5145	Proposed Approval
06/20/2024	TEXAS	Dallas-Fort Worth, TX	89 FR 51829	Final Approval
06/20/2024	TEXAS	Houston-Galveston-Brazoria, TX	89 FR 51829	Final Approval
06/20/2024	TEXAS	San Antonio, TX	89 FR 51829	Final Approval
07/24/2024	COLORADO	Denver Metro/North Front Range, CO	89 FR 59832	Final Approval
07/25/2024	CONNECTICUT	New York-Northern New Jersey-Long Island, NY-NJ-CT	89 FR 60314	Final Approval
07/25/2024	NEW JERSEY	New York-Northern New Jersey-Long Island, NY-NJ-CT	89 FR 60314	Final Approval
07/25/2024	NEW YORK	New York-Northern New Jersey-Long Island, NY-NJ-CT	89 FR 60314	Final Approval
07/29/2024	CONNECTICUT	Greater Connecticut, CT	89 FR 60827	Final Approval
07/30/2024	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	89 FR 61025	Final Approval
07/30/2024	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	89 FR 61025	Final Approval
07/30/2024	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	89 FR 61025	Final Approval
07/30/2024	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	89 FR 61025	Final Approval
08/01/2024	MARYLAND	Baltimore, MD	89 FR 62663	Final Approval
11/25/2024	MISSOURI	St. Louis, MO-IL	89 FR 92816	Final Approval
12/09/2024	UTAH	Northern Wasatch Front, UT	89 FR 97545	Final Approval
12/16/2024	UTAH	Uinta Basin, UT	89 FR 101483	Final Approval
12/17/2024	ILLINOIS	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	ILLINOIS	St. Louis, MO-IL	89 FR 101901	Final Approval
12/17/2024	INDIANA	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Allegan County, MI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Berrien County, MI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Muskegon County, MI	89 FR 101901	Final Approval
12/17/2024	OHIO	Cleveland, OH	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Milwaukee, WI	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Sheboygan County, WI	89 FR 101901	Final Approval
12/19/2024	NEVADA	Las Vegas, NV	89 FR 103657	Final Approval
06/20/2025	MISSOURI	St. Louis, MO-IL	90 FR 26240	Proposed Approval
07/31/2025	NEW YORK	New York-Northern New Jersey-Long Island, NY-NJ-CT	90 FR 35985	Final Approval
11/20/2025	CONNECTICUT	Greater Connecticut, CT	90 FR 52279	Proposed Approval
CLEAN DATA DETERMINATION/ATTAINMENT DETERMINATION
04/13/2022	ARIZONA	Yuma, AZ	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	Amador County, CA	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	San Francisco Bay Area, CA	87 FR 21842	Proposed Approval
04/13/2022	GEORGIA	Atlanta, GA	87 FR 21842	Proposed Approval
04/13/2022	UTAH	Southern Wasatch Front, UT	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Manitowoc County, WI	87 FR 21842	Proposed Approval
07/14/2022	CALIFORNIA	Butte County, CA	87 FR 42126	Proposed Approval
07/14/2022	CALIFORNIA	Calaveras County, CA	87 FR 42126	Proposed Approval
07/14/2022	CALIFORNIA	San Luis Obispo (Eastern part), CA	87 FR 42126	Proposed Approval
07/14/2022	CALIFORNIA	Sutter Buttes, CA	87 FR 42126	Proposed Approval
07/14/2022	CALIFORNIA	Tuolumne County, CA	87 FR 42126	Proposed Approval
07/14/2022	CALIFORNIA	Tuscan Buttes, CA	87 FR 42126	Proposed Approval
10/07/2022	ARIZONA	Yuma, AZ	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	Amador County, CA	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	San Francisco Bay Area, CA	87 FR 60897	Final Approval
10/07/2022	GEORGIA	Atlanta, GA	87 FR 60897	Final Approval
10/07/2022	UTAH	Southern Wasatch Front, UT	87 FR 60897	Final Approval
10/20/2022	CALIFORNIA	Butte County, CA	87 FR 63698	Final Approval
10/20/2022	CALIFORNIA	Calaveras County, CA	87 FR 63698	Final Approval
10/20/2022	CALIFORNIA	San Luis Obispo (Eastern part), CA	87 FR 63698	Final Approval
10/20/2022	CALIFORNIA	Sutter Buttes, CA	87 FR 63698	Final Approval
10/20/2022	CALIFORNIA	Tuolumne County, CA	87 FR 63698	Final Approval
10/20/2022	CALIFORNIA	Tuscan Buttes, CA	87 FR 63698	Final Approval
02/01/2023	DISTRICT OF COL	Washington, DC-MD-VA	88 FR 6688	Proposed Approval
02/01/2023	MARYLAND	Washington, DC-MD-VA	88 FR 6688	Proposed Approval
02/01/2023	VIRGINIA	Washington, DC-MD-VA	88 FR 6688	Proposed Approval
02/03/2023	MICHIGAN	Detroit, MI	88 FR 7382	Proposed Approval
05/19/2023	MICHIGAN	Detroit, MI	88 FR 32584	Final Approval
04/10/2024	UTAH	Uinta Basin, UT	89 FR 25223	Proposed Approval
11/15/2024	DISTRICT OF COL	Washington, DC-MD-VA	89 FR 90249	Proposed Approval
11/15/2024	MARYLAND	Washington, DC-MD-VA	89 FR 90249	Proposed Approval
11/15/2024	VIRGINIA	Washington, DC-MD-VA	89 FR 90249	Proposed Approval
04/04/2025	DISTRICT OF COL	Washington, DC-MD-VA	90 FR 14730	Final Approval
04/04/2025	MARYLAND	Washington, DC-MD-VA	90 FR 14730	Final Approval
04/04/2025	VIRGINIA	Washington, DC-MD-VA	90 FR 14730	Final Approval
06/03/2025	CALIFORNIA	Mariposa County, CA	90 FR 23501	Proposed Approval
10/30/2025	CALIFORNIA	Mariposa County, CA	90 FR 48820	Final Approval
CORRECTION/CLARIFICATION
01/30/2023	OHIO	Cincinnati, OH-KY	88 FR 5787	Final Approval
DESIGNATION TO NONATTAINMENT
06/04/2018	ARIZONA	Phoenix-Mesa, AZ	83 FR 25776	Final Approval
06/04/2018	ARIZONA	Yuma, AZ	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Amador County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Butte County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Calaveras County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Imperial County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Kern County (Eastern Kern), CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Los Angeles-San Bernardino Counties (West Mojave Desert), CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Los Angeles-South Coast Air Basin, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Mariposa County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Morongo Band of Mission Indians, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Nevada County (Western part), CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Riverside County (Coachella Valley), CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Sacramento Metro, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	San Diego County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	San Francisco Bay Area, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	San Joaquin Valley, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	San Luis Obispo (Eastern part), CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Sutter Buttes, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Tuolumne County, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Tuscan Buttes, CA	83 FR 25776	Final Approval
06/04/2018	CALIFORNIA	Ventura County, CA	83 FR 25776	Final Approval
06/04/2018	COLORADO	Denver Metro/North Front Range, CO	83 FR 25776	Final Approval
06/04/2018	CONNECTICUT	Greater Connecticut, CT	83 FR 25776	Final Approval
06/04/2018	CONNECTICUT	New York-Northern New Jersey-Long Island, NY-NJ-CT	83 FR 25776	Final Approval
06/04/2018	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	83 FR 25776	Final Approval
06/04/2018	DISTRICT OF COL	Washington, DC-MD-VA	83 FR 25776	Final Approval
06/04/2018	GEORGIA	Atlanta, GA	83 FR 25776	Final Approval
06/04/2018	ILLINOIS	Chicago, IL-IN-WI	83 FR 25776	Final Approval
06/04/2018	ILLINOIS	St. Louis, MO-IL	83 FR 25776	Final Approval
06/04/2018	INDIANA	Chicago, IL-IN-WI	83 FR 25776	Final Approval
06/04/2018	INDIANA	Louisville, KY-IN	83 FR 25776	Final Approval
06/04/2018	KENTUCKY	Cincinnati, OH-KY	83 FR 25776	Final Approval
06/04/2018	KENTUCKY	Louisville, KY-IN	83 FR 25776	Final Approval
06/04/2018	MARYLAND	Baltimore, MD	83 FR 25776	Final Approval
06/04/2018	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	83 FR 25776	Final Approval
06/04/2018	MARYLAND	Washington, DC-MD-VA	83 FR 25776	Final Approval
06/04/2018	MICHIGAN	Allegan County, MI	83 FR 25776	Final Approval
06/04/2018	MICHIGAN	Berrien County, MI	83 FR 25776	Final Approval
06/04/2018	MICHIGAN	Detroit, MI	83 FR 25776	Final Approval
06/04/2018	MICHIGAN	Muskegon County, MI	83 FR 25776	Final Approval
06/04/2018	MISSOURI	St. Louis, MO-IL	83 FR 25776	Final Approval
06/04/2018	NEVADA	Las Vegas, NV	83 FR 25776	Final Approval
06/04/2018	NEW JERSEY	New York-Northern New Jersey-Long Island, NY-NJ-CT	83 FR 25776	Final Approval
06/04/2018	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	83 FR 25776	Final Approval
06/04/2018	NEW MEXICO	El Paso-Las Cruces, TX-NM	83 FR 25776	Final Approval
06/04/2018	NEW YORK	New York-Northern New Jersey-Long Island, NY-NJ-CT	83 FR 25776	Final Approval
06/04/2018	OHIO	Cincinnati, OH-KY	83 FR 25776	Final Approval
06/04/2018	OHIO	Cleveland, OH	83 FR 25776	Final Approval
06/04/2018	OHIO	Columbus, OH	83 FR 25776	Final Approval
06/04/2018	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	83 FR 25776	Final Approval
06/04/2018	TEXAS	Dallas-Fort Worth, TX	83 FR 25776	Final Approval
06/04/2018	TEXAS	Houston-Galveston-Brazoria, TX	83 FR 25776	Final Approval
06/04/2018	UTAH	Northern Wasatch Front, UT	83 FR 25776	Final Approval
06/04/2018	UTAH	Southern Wasatch Front, UT	83 FR 25776	Final Approval
06/04/2018	UTAH	Uinta Basin, UT	83 FR 25776	Final Approval
06/04/2018	VIRGINIA	Washington, DC-MD-VA	83 FR 25776	Final Approval
06/04/2018	WISCONSIN	Chicago, IL-IN-WI	83 FR 25776	Final Approval
06/04/2018	WISCONSIN	Door County, WI	83 FR 25776	Final Approval
06/04/2018	WISCONSIN	Manitowoc County, WI	83 FR 25776	Final Approval
06/04/2018	WISCONSIN	Milwaukee, WI	83 FR 25776	Final Approval
06/04/2018	WISCONSIN	Sheboygan County, WI	83 FR 25776	Final Approval
07/25/2018	TEXAS	San Antonio, TX	83 FR 35136	Final Approval
06/14/2021	WISCONSIN	Door County-Revised, WI	86 FR 31438	Final Approval
EXTENSION OF COMMENT PERIOD
04/04/2022	MICHIGAN	Detroit, MI	87 FR 19414	Proposed Approval
04/04/2023	NEW MEXICO	El Paso-Las Cruces, TX-NM	88 FR 19901	Proposed Approval
04/04/2023	TEXAS	El Paso-Las Cruces, TX-NM	88 FR 19901	Proposed Approval
FAILURE TO ATTAIN BY ATTAINMENT DATE
04/13/2022	ARIZONA	Phoenix-Mesa, AZ	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	Mariposa County, CA	87 FR 21842	Proposed Approval
04/13/2022	CALIFORNIA	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	87 FR 21842	Proposed Approval
04/13/2022	COLORADO	Denver Metro/North Front Range, CO	87 FR 21842	Proposed Approval
04/13/2022	CONNECTICUT	Greater Connecticut, CT	87 FR 21842	Proposed Approval
04/13/2022	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	DISTRICT OF COL	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	ILLINOIS	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	ILLINOIS	St. Louis, MO-IL	87 FR 21842	Proposed Approval
04/13/2022	INDIANA	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	INDIANA	Louisville, KY-IN	87 FR 21842	Proposed Approval
04/13/2022	KENTUCKY	Cincinnati, OH-KY	87 FR 21842	Proposed Approval
04/13/2022	KENTUCKY	Louisville, KY-IN	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Baltimore, MD	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	MARYLAND	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Allegan County, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Berrien County, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Detroit, MI	87 FR 21842	Proposed Approval
04/13/2022	MICHIGAN	Muskegon County, MI	87 FR 21842	Proposed Approval
04/13/2022	MISSOURI	St. Louis, MO-IL	87 FR 21842	Proposed Approval
04/13/2022	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	OHIO	Cincinnati, OH-KY	87 FR 21842	Proposed Approval
04/13/2022	OHIO	Cleveland, OH	87 FR 21842	Proposed Approval
04/13/2022	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	Dallas-Fort Worth, TX	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	Houston-Galveston-Brazoria, TX	87 FR 21842	Proposed Approval
04/13/2022	TEXAS	San Antonio, TX	87 FR 21842	Proposed Approval
04/13/2022	UTAH	Northern Wasatch Front, UT	87 FR 21842	Proposed Approval
04/13/2022	VIRGINIA	Washington, DC-MD-VA	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Chicago, IL-IN-WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Door County-Revised, WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Milwaukee, WI	87 FR 21842	Proposed Approval
04/13/2022	WISCONSIN	Sheboygan County, WI	87 FR 21842	Proposed Approval
07/22/2022	NEVADA	Las Vegas, NV	87 FR 43764	Proposed Approval
10/07/2022	ARIZONA	Phoenix-Mesa, AZ	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	Mariposa County, CA	87 FR 60897	Final Approval
10/07/2022	CALIFORNIA	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	87 FR 60897	Final Approval
10/07/2022	COLORADO	Denver Metro/North Front Range, CO	87 FR 60897	Final Approval
10/07/2022	CONNECTICUT	Greater Connecticut, CT	87 FR 60897	Final Approval
10/07/2022	DELAWARE	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	DISTRICT OF COL	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	ILLINOIS	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	ILLINOIS	St. Louis, MO-IL	87 FR 60897	Final Approval
10/07/2022	INDIANA	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	KENTUCKY	Cincinnati, OH-KY	87 FR 60897	Final Approval
10/07/2022	KENTUCKY	Louisville, KY-IN	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Baltimore, MD	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	MARYLAND	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Allegan County, MI	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Berrien County, MI	87 FR 60897	Final Approval
10/07/2022	MICHIGAN	Muskegon County, MI	87 FR 60897	Final Approval
10/07/2022	MISSOURI	St. Louis, MO-IL	87 FR 60897	Final Approval
10/07/2022	NEW JERSEY	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	OHIO	Cleveland, OH	87 FR 60897	Final Approval
10/07/2022	PENNSYLVANIA	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	87 FR 60897	Final Approval
10/07/2022	TEXAS	Dallas-Fort Worth, TX	87 FR 60897	Final Approval
10/07/2022	TEXAS	Houston-Galveston-Brazoria, TX	87 FR 60897	Final Approval
10/07/2022	TEXAS	San Antonio, TX	87 FR 60897	Final Approval
10/07/2022	UTAH	Northern Wasatch Front, UT	87 FR 60897	Final Approval
10/07/2022	VIRGINIA	Washington, DC-MD-VA	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Chicago, IL-IN-WI	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Milwaukee, WI	87 FR 60897	Final Approval
10/07/2022	WISCONSIN	Sheboygan County, WI	87 FR 60897	Final Approval
01/05/2023	NEVADA	Las Vegas, NV	88 FR 775	Final Approval
02/01/2023	MICHIGAN	Detroit, MI	88 FR 6633	Final Approval
11/25/2024	MISSOURI	St. Louis, MO-IL	89 FR 92816	Final Approval
12/09/2024	UTAH	Northern Wasatch Front, UT	89 FR 97545	Final Approval
12/16/2024	UTAH	Uinta Basin, UT	89 FR 101483	Final Approval
12/17/2024	ILLINOIS	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	ILLINOIS	St. Louis, MO-IL	89 FR 101901	Final Approval
12/17/2024	INDIANA	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Allegan County, MI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Berrien County, MI	89 FR 101901	Final Approval
12/17/2024	MICHIGAN	Muskegon County, MI	89 FR 101901	Final Approval
12/17/2024	OHIO	Cleveland, OH	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Chicago, IL-IN-WI	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Milwaukee, WI	89 FR 101901	Final Approval
12/17/2024	WISCONSIN	Sheboygan County, WI	89 FR 101901	Final Approval
12/19/2024	NEVADA	Las Vegas, NV	89 FR 103657	Final Approval
06/20/2025	MISSOURI	St. Louis, MO-IL	90 FR 26240	Proposed Approval
07/31/2025	NEW YORK	New York-Northern New Jersey-Long Island, NY-NJ-CT	90 FR 35985	Final Approval
11/20/2025	CONNECTICUT	Greater Connecticut, CT	90 FR 52279	Proposed Approval
REDESIGNATION TO MAINTENANCE
07/03/2019	OHIO	Columbus, OH	84 FR 31814	Proposed Approval
08/21/2019	OHIO	Columbus, OH	84 FR 43508	Final Approval
03/13/2020	WISCONSIN	Door County, WI	85 FR 14608	Proposed Approval
05/19/2020	MICHIGAN	Berrien County, MI	85 FR 29895	Proposed Approval
06/10/2020	WISCONSIN	Door County, WI	85 FR 35377	Final Approval
02/01/2022	WISCONSIN	Manitowoc County, WI	87 FR 5438	Proposed Approval
02/11/2022	OHIO	Cincinnati, OH-KY	87 FR 7978	Proposed Approval
03/03/2022	WISCONSIN	Door County-Revised, WI	87 FR 12020	Proposed Approval
03/14/2022	MICHIGAN	Detroit, MI	87 FR 14210	Proposed Approval
03/31/2022	WISCONSIN	Manitowoc County, WI	87 FR 18702	Final Approval
04/29/2022	WISCONSIN	Door County-Revised, WI	87 FR 25410	Final Approval
05/18/2022	INDIANA	Louisville, KY-IN	87 FR 30129	Proposed Approval
06/09/2022	OHIO	Cincinnati, OH-KY	87 FR 35104	Final Approval
07/05/2022	INDIANA	Louisville, KY-IN	87 FR 39750	Final Approval
08/26/2022	GEORGIA	Atlanta, GA	87 FR 52487	Proposed Approval
10/17/2022	GEORGIA	Atlanta, GA	87 FR 62733	Final Approval
04/18/2023	KENTUCKY	Louisville, KY-IN	88 FR 23598	Proposed Approval
05/19/2023	MICHIGAN	Detroit, MI	88 FR 32594	Final Approval
07/28/2023	KENTUCKY	Cincinnati, OH-KY	88 FR 48772	Proposed Approval
10/04/2023	KENTUCKY	Cincinnati, OH-KY	88 FR 68471	Final Approval
11/05/2024	ARIZONA	Yuma, AZ	89 FR 87828	Proposed Approval
01/03/2025	KENTUCKY	Louisville, KY-IN	90 FR 294	Withdrawal
11/18/2025	ARIZONA	Yuma, AZ	90 FR 51548	Final Approval