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Electronic Code of Federal Regulations

e-CFR data is current as of December 3, 2019

Title 40Chapter ISubchapter CPart 81Subpart C → §81.345


Title 40: Protection of Environment
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart C—Section 107 Attainment Status Designations


§81.345   Utah.

Utah—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated areaDoes not meet primary standardsDoes not meet secondary standardsCannot be classifiedBetter than national standards
Salt Lake County1X1X
Portions of Tooele County1X1X
Rest of StateX

1EPA designation replaces State designation.

Utah—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area1Designation
Date2Type
Statewide:
Beaver CountyAttainment/Unclassifiable.
Box Elder CountyAttainment/Unclassifiable.
Cache CountyAttainment/Unclassifiable.
Carbon CountyAttainment/Unclassifiable.
Daggett CountyAttainment/Unclassifiable.
Davis CountyAttainment/Unclassifiable.
Duchesne CountyAttainment/Unclassifiable.
Emery CountyAttainment/Unclassifiable.
Garfield CountyAttainment/Unclassifiable.
Grand CountyAttainment/Unclassifiable.
Iron CountyAttainment/Unclassifiable.
Juab CountyAttainment/Unclassifiable.
Kane CountyAttainment/Unclassifiable.
Millard CountyAttainment/Unclassifiable.
Morgan CountyAttainment/Unclassifiable.
Piute CountyAttainment/Unclassifiable.
Rich CountyAttainment/Unclassifiable.
Salt Lake CountyAttainment/Unclassifiable.
San Juan CountyAttainment/Unclassifiable.
Sanpete CountyAttainment/Unclassifiable.
Sevier CountyAttainment/Unclassifiable.
Summit CountyAttainment/Unclassifiable.
Tooele CountyAttainment/Unclassifiable.
Uintah CountyAttainment/Unclassifiable.
Utah CountyAttainment/Unclassifiable.
Wasatch CountyAttainment/Unclassifiable.
Washington CountyAttainment/Unclassifiable.
Wayne CountyAttainment/Unclassifiable.
Weber CountyAttainment/Unclassifiable.

1Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. The lands of the Navajo Nation, including those lands located geographically within Utah, are excluded, as they are separately designated under Section 81.303.

2This date is April 9, 2018, unless otherwise noted.

Utah—Carbon Monoxide

Designated AreaDesignationClassification
Date1TypeDate1Type
Ogden Area
Weber County (part)
city of Ogden5/8/01Attainment
Provo Area
Utah County (part) city of Provo1/3/06Attainment
Salt Lake City Area3/22/99Attainment
Salt Lake County (part), Salt Lake City
   
Rest of StateUnclassifiable/Attainment
Beaver County
Box Elder County
Cache County
Carbon County
Daggett County
Davis County
Duchesne County
Emery County
Garfield County
Grand County
Iron County
Juab County
Kane County
Millard County
Morgan County
Piute County
Rich County
Salt Lake County (part)
Remainder of Salt Lake County
San Juan County
Sanpete County
Sevier County
Summit County
Tooele County
Uintah County
Utah County (part)
Remainder of Utah county
Wasatch County
Washington County
Wayne County
Weber County (part)
Remainder of Weber county

1This date is November 15, 1990, unless otherwise noted.

Utah—Ozone (1-Hour Standard)2

Designated area Designation Classification
Date1 Type Date1 Type
Salt Lake City Area:
Davis CountyAttainment
Salt Lake CountyAttainment
Rest of StateUnclassifiable/Attainment
Beaver County
Box Elder County
Cache County
Carbon County
Daggett County
Duchesne County
Emery County
Garfield County
Grand County
Iron County
Juab County
Kane County
Millard County
Morgan County
Piute County
Rich County
San Juan County
Sanpete County
Sevier County
Summit County
Tooele County
Uintah County
Utah County
Wasatch County
Washington County
Wayne County
Weber County

1This date is October 18, 2000, unless otherwise noted.

2The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Utah. The Salt Lake City area is a maintenance area for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Utah—PM-10

Designated AreaDesignationClassification
DateTypeDateType
Salt Lake County11/15/90Nonattainment11/15/90Moderate.
Utah County11/15/90Nonattainment11/15/90Moderate.
Ogden Area Weber County (part) City of Ogden9/26/95Nonattainment9/26/95Moderate.
Rest of State111/15/90Unclassifiable

1Denotes a single area designation for PSD baseline area purposes.

Utah—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDateType
Box Elder County, UT (part):
Box Elder County (except Brigham City)Unclassifiable/Attainment
Brigham City, UT:
Box Elder County (part)Unclassifiable/Attainment
The area surrounding Brigham City, as described by the following Townships or the portions of the following Townships in Box Elder County: T9N 2W, T9N R1W, T8N 2W
Cache County, UT (part):
Cache County (except Lower Cache Valley)Unclassifiable/Attainment
Davis County, UT (part):
Davis County (except Wasatch Front)Unclassifiable/Attainment
Grantsville, UT:
Tooele County (part)Unclassifiable/Attainment
The area surrounding Grantsville, as described by the following Townships or the portions of the following Townships in Tooele County: T2S R6W, T2S R5W, T2S R4W, T3S R6W, T3S R5W, T3S R4W, T4S R6W, T4S R5W, T4S R4W
Lower Cache Valley, UT:
Cache County (part)Unclassifiable/Attainment
The Cache Valley, below 6500 ft. msl. This area is described by the following list of Townships or the portions of the following Townships in Cache County: T15N R1E, T15N R2W, T15N R1W, T14N R2W, T14N R1W, T14N R1E, T13N R2W, T13N R1W, T13N R1E, T12N R2W, T12N R1W, T12N R1E, T11N R1W, T11N R1E, T10N R1W, T10N R1E, T9N R1E
Salt Lake County, UT (part):
Salt Lake County (except Wasatch Front)Unclassifiable/Attainment
Tooele County, UT (part):
Tooele County (remainder)Unclassifiable/Attainment
Utah County, UT (part):
Utah County (except Wasatch Front)Unclassifiable/Attainment
Wasatch Front, UT:
Davis County (part)Unclassifiable/Attainment
The portion of the Wasatch Front residing in Davis County, as described by the following Townships or the portions of the following Townships in Davis County: T5N R3W, T5N R2W, T5N R1W, T4N R2W, T4N R1W, T3N R1W, T3N R1E, T2N R1W, T2N R1E, T1N R1W, T1N R1E.
Salt Lake County (part)Unclassifiable/Attainment
The portion of the Wasatch Front residing in Salt Lake County, as described by the following Townships or the portions of the following Townships in Salt Lake County: T1N R2W, T1N R1W, T1N R1E, T1S R3W, T1S R2W, T1S R1W, T1S R1E, T2S R3W, T2S R2W, T2S R1W, T2S R1E, T3S R3W, T3S R2W, T3S R1W, T3S R1E, T4S R3W, T4S R2W, T4S R1W, T4S R1E.
Utah County (part)Unclassifiable/Attainment
The portion of the Wasatch Front residing in Utah County, as described by the following Townships or the portions of the following Townships in Utah County: T4S R2W, T4S R1W, T4S R1E, T4S R2E, T5S R2W, T5S R1W, T5S R1E, T5S R2E, T6S R3W, T6S R2W, T6S R1W, T6S R2E, T6S R3E, T6S R1E, T7S R3W, T7S R2W, T7S R1W, T7S R1E, T7S R2E, T7S R3E, T8S R3W, T8S R2W, T8S R1W, T8S R3E, T8S R2E, T8S R1E, T9S R3W, T9S R2W, T9S R1E, T9S R3E, T9S R2E, T9S R1W, T10S 2W, T10S R2E, T10S R1E, T10S R1W, T1S R2W, T11S R1W, T12S R2W.
Weber County (part)Unclassifiable/Attainment
The portion of the Wasatch Front residing in Weber County, as described by the following Townships or the portions of the following Townships in Weber County: T7N R2W, T7N R1W, T7N R3W, T6N R3W, T6N R2W, T6N R1W, T5N R3W, T5N R2W, T5N R1W
Weber County, UT (part):
Weber County (except Wasatch Front)Unclassifiable/Attainment
Rest of State:
Beaver CountyUnclassifiable/Attainment
Carbon CountyUnclassifiable/Attainment
Daggett CountyUnclassifiable/Attainment
Duchesne CountyUnclassifiable/Attainment
Emery CountyUnclassifiable/Attainment
Garfield CountyUnclassifiable/Attainment
Grand CountyUnclassifiable/Attainment
Iron CountyUnclassifiable/Attainment
Juab CountyUnclassifiable/Attainment
Kane CountyUnclassifiable/Attainment
Millard CountyUnclassifiable/Attainment
Morgan CountyUnclassifiable/Attainment
Piute CountyUnclassifiable/Attainment
Rich CountyUnclassifiable/Attainment
San Juan CountyUnclassifiable/Attainment
Sanpete CountyUnclassifiable/Attainment
Sevier CountyUnclassifiable/Attainment
Summit CountyUnclassifiable/Attainment
Uintah CountyUnclassifiable/Attainment
Wasatch CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after January 5, 2005, unless otherwise noted.

Utah—2012 Annual PM2.5 NAAQS

[Primary]

Designated area1DesignationClassification
Date2TypeDate2Type
Statewide:
Beaver CountyUnclassifiable/Attainment
Box Elder CountyUnclassifiable/Attainment
Cache CountyUnclassifiable/Attainment
Carbon CountyUnclassifiable/Attainment
Daggett CountyUnclassifiable/Attainment
Davis CountyUnclassifiable/Attainment
Duchesne CountyUnclassifiable/Attainment
Emery CountyUnclassifiable/Attainment
Garfield CountyUnclassifiable/Attainment
Grand CountyUnclassifiable/Attainment
Iron CountyUnclassifiable/Attainment
Juab CountyUnclassifiable/Attainment
Kane CountyUnclassifiable/Attainment
Millard CountyUnclassifiable/Attainment
Morgan CountyUnclassifiable/Attainment
Piute CountyUnclassifiable/Attainment
Rich CountyUnclassifiable/Attainment
Salt Lake CountyUnclassifiable/Attainment
San Juan CountyUnclassifiable/Attainment
Sanpete CountyUnclassifiable/Attainment
Sevier CountyUnclassifiable/Attainment
Summit CountyUnclassifiable/Attainment
Tooele CountyUnclassifiable/Attainment
Uintah CountyUnclassifiable/Attainment
Utah CountyUnclassifiable/Attainment
Wasatch CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
Weber CountyUnclassifiable/Attainment

1Includes areas of Indian country located in each county or area, except as otherwise specified.

2This date is April 15, 2015, unless otherwise noted.

Utah—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDateType
Logan, UT-ID:
Cache County (part)Unclassifiable/Attainment.
All portions of Cache County west of and including any portion of the following townships located within Utah: Township 15 North Range 1 East; Township 14 North Range 1 East; Township 13 North Range 1 East; Township 12 North Range 1 East; Township 11 North Range 1 East; Township 10 North Range 1 East; Township 9 North Range 1 East.
Provo, UT:
Utah County (part)Unclassifiable/Attainment.
The area of Utah County that lies west of the Wasatch Mountain Range (and this includes the Cities of Provo and Orem) with an eastern boundary for Utah County to be defined as the following Townships: Township 3 South Range 1 East; Township 4 South Range 2 East; Township 5 South Range 3 East; Township 6 South Range 3 East; Township 7 South Range 3 East; Township 8 South Range 3 East; Township 9 South Range 3 East; Township 10 South Range 2 East.
Salt Lake City, UT:
Box Elder County (part)Unclassifiable/Attainment.
The following Townships or portions thereof as noted (including Brigham City): Township 7 North Range 2 West; Township 8 North Range 2 West; Township 9 North Range 2 West; Township 10 North Range 2 West; Township 11 North Range 2 West; Township 12 North Range 2 West; Township 13 North Range 2 West; Township 9 North Range 3 West; Township 10 North Range 3 West; Township 11 North Range 3 West; Township 12 North Range 3 West; Township 13 North Range 3 West; Township 13 North Range 4 West; Township 12 North Range 4 West; Township 11 North Range 4 West; Township 10 North Range 4 West; Township 9 North Range 4 West; Township 13 North Range 5 West; Township 12 North Range 5 West; Township 11 North Range 5 West; Township 10 North Range 5 West; Township 9 North Range 5 West; Township 13 North Range 6 West; Township 12 North Range 6 West; Township 11 North Range 6 West; Township 10 North Range 6 West; Township 9 North Range 6 West; Township 7 North Range 1 West (portion located in Box Elder County); Township 8 North Range 1 West (portion located in Box Elder County); Township 9 North Range 1 West (portion located in Box Elder County).
Davis CountyUnclassifiable/Attainment.
Salt Lake CountyUnclassifiable/Attainment.
Tooele County (part)Unclassifiable/Attainment.
The following Townships or portions thereof as noted (including Tooele City: Township 1 South Range 3 West; Township 2 South Range 3 West; Township 3 South Range 3 West; Township 3 South Range 4 West; Township 2 South Range 4 West; Township 2 South Range 5 West; Township 3 South Range 5 West; Township 3 South Range 6 West; Township 2 South Range 6 West; Township 1 South Range 6 West; Township 1 South Range 5 West; Township 1 South Range 4 West; Township 1 South Range 7 West; Township 2 South Range 7 West; Township 3 South Range 7 West; all Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32; Township 4 South Range 6 West; Township 4 South Range 5 West; Township 4 South Range 4 West; Township 4 South Range 3 West.
Weber County (part)Unclassifiable/Attainment.
The area of Weber County that lies west of the Wasatch Mountain Range with an eastern boundary for Weber County to be defined as the following Townships (or portion thereof) extending to the western boundary of Weber County: Township 5 North Range 1 West; Township 6 North Range 1 West; all Sections within Township 7 North Range 1 West located within Weber County except for Sections 1, 2, 3, 4, 11, 12, 13 and 24; Township 7 North Range 2 West (portion located in Weber County).
Rest of State:
Beaver CountyUnclassifiable/Attainment.
Box Elder County (remainder)Unclassifiable/Attainment.
Cache County (remainder)Unclassifiable/Attainment.
Carbon CountyUnclassifiable/Attainment.
Daggett CountyUnclassifiable/Attainment.
Duchesne CountyUnclassifiable/Attainment.
Emery CountyUnclassifiable/Attainment.
Garfield CountyUnclassifiable/Attainment.
Grand CountyUnclassifiable/Attainment.
Iron CountyUnclassifiable/Attainment.
Juab CountyUnclassifiable/Attainment.
Kane CountyUnclassifiable/Attainment.
Millard CountyUnclassifiable/Attainment.
Morgan CountyUnclassifiable/Attainment.
Piute CountyUnclassifiable/Attainment.
Rich CountyUnclassifiable/Attainment.
San Juan CountyUnclassifiable/Attainment.
Sanpete CountyUnclassifiable/Attainment.
Sevier CountyUnclassifiable/Attainment.
Summit CountyUnclassifiable/Attainment.
Tooele County (remainder)Unclassifiable/Attainment.
Uintah CountyUnclassifiable/Attainment.
Utah County (remainder)Unclassifiable/Attainment.
Wasatch CountyUnclassifiable/Attainment.
Washington CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Weber County (remainder)Unclassifiable/Attainment.

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after January 5, 2005, unless otherwise noted.

Utah—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDate2Type
Logan, UT-ID:
Cache County (part)NonAttainmentModerate.
All portions of Cache County west of and including any portion of the following townships located within Utah: Township 15 North Range 1 East; Township 14 North Range 1 East; Township 13 North Range 1 East; Township 12 North Range 1 East; Township 11 North Range 1 East; Township 10 North Range 1 East; Township 9 North Range 1 East.
Provo, UT:
Utah County (part)Nonattainment6/9/17Serious.
The area of Utah County that lies west of the Wasatch Mountain Range (and this includes the Cities of Provo and Orem) with an eastern boundary for Utah County to be defined as the following Townships: Township 3 South Range 1 East; Township 4 South Range 2 East; Township 5 South Range 3 East; Township 6 South Range 3 East; Township 7 South Range 3 East; Township 8 South Range 3 East; Township 9 South Range 3 East; Township 10 South Range 2 East
Salt Lake City, UT:
Box Elder County (part)Nonattainment6/9/17Serious.
The following Townships or portions thereof as noted (including Brigham City): Township 7 North Range 2 West; Township 8 North Range 2 West; Township 9 North Range 2 West; Township 10 North Range 2 West; Township 11 North Range 2 West; Township 12 North Range 2 West; Township 13 North Range 2 West; Township 9 North Range 3 West; Township 10 North Range 3 West; Township 11 North Range 3 West; Township 12 North Range 3 West; Township 13 North Range 3 West; Township 13 North Range 4 West; Township 12 North Range 4 West; Township 11 North Range 4 West; Township 10 North Range 4 West; Township 9 North Range 4 West; Township 13 North Range 5 West; Township 12 North Range 5 West; Township 11 North Range 5 West; Township 10 North Range 5 West; Township 9 North Range 5 West; Township 13 North Range 6 West; Township 12 North Range 6 West; Township 11 North Range 6 West; Township 10 North Range 6 West; Township 9 North Range 6 West; Township 7 North Range 1 West (portion located in Box Elder County); Township 8 North Range 1 West (portion located in Box Elder County); Township 9 North Range 1 West (portion located in Box Elder County)
Davis CountyNonattainment6/9/17Serious.
Salt Lake CountyNonattainment6/9/17Serious.
Tooele County (part)Nonattainment6/9/17Serious.
The following Townships or portions thereof as noted (including Tooele City): Township 1 South Range 3 West; Township 2 South Range 3 West; Township 3 South Range 3 West; Township 3 South Range 4 West; Township 2 South Range 4 West; Township 2 South Range 5 West; Township 3 South Range 5 West; Township 3 South Range 6 West; Township 2 South Range 6 West; Township 1 South Range 6 West; Township 1 South Range 5 West; Township 1 South Range 4 West; Township 1 South Range 7 West; Township 2 South Range 7 West; Township 3 South Range 7 West; all Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32; Township 4 South Range 6 West; Township 4 South Range 5 West; Township 4 South Range 4 West; Township 4 South Range 3 West
Weber County (part)Nonattainment6/9/17Serious.
The area of Weber County that lies west of the Wasatch Mountain Range with an eastern boundary for Weber County to be defined as the following Townships (or portion thereof) extending to the western boundary of Weber County: Township 5 North Range 1 West; Township 6 North Range 1 West; all Sections within Township 7 North Range 1 West located within Weber County except for Sections 1, 2, 3, 4, 11, 12, 13 and 24; Township 7 North Range 2 West (portion located in Weber County)
Rest of State:
Beaver CountyUnclassifiable/Attainment
Box Elder County (remainder)Unclassifiable/Attainment
Cache County (remainder)Unclassifiable/Attainment
Carbon CountyUnclassifiable/Attainment
Daggett CountyUnclassifiable/Attainment
Duchesne CountyUnclassifiable/Attainment
Emery CountyUnclassifiable/Attainment
Garfield CountyUnclassifiable/Attainment
Grand CountyUnclassifiable/Attainment
Iron CountyUnclassifiable/Attainment
Juab CountyUnclassifiable/Attainment
Kane CountyUnclassifiable/Attainment
Millard CountyUnclassifiable/Attainment
Morgan CountyUnclassifiable/Attainment
Piute CountyUnclassifiable/Attainment
Rich CountyUnclassifiable/Attainment
San Juan CountyUnclassifiable/Attainment
Sanpete CountyUnclassifiable/Attainment
Sevier CountyUnclassifiable/Attainment
Summit CountyUnclassifiable/Attainment
Tooele County (remainder)Unclassifiable/Attainment
Uintah CountyUnclassifiable/Attainment
Utah County (remainder)Unclassifiable/Attainment
Wasatch CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
Weber County (remainder)Unclassifiable/Attainment

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 30 days after November 13, 2009, unless otherwise noted.

2This date is July 2, 2034, unless otherwise noted.

Utah—NO2 (1971 Annual Standard)

Designated areaDoes not meet primary standardsCannot be classified or better than national standards
Entire StateX

Utah—NO2 (2010 1-Hour Standard)

Designated areaDesignationa
Date1Type
Cache CountyUnclassifiable/Attainment.
Davis CountyUnclassifiable/Attainment.
Salt Lake CountyUnclassifiable/Attainment.
Utah CountyUnclassifiable/Attainment.
Weber CountyUnclassifiable/Attainment.
Rest of StateUnclassifiable/Attainment.

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after October 31, 2011, unless otherwise noted.

Utah—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area DesignationaCategory/classification
Date1Type Date1Type
Salt Lake City Area:
Davis CountyUnclassifiable/Attainment
Salt Lake CountyUnclassifiable/Attainment
Rest of State:Unclassifiable/Attainment
Beaver County
Box Elder County
Cache County
Carbon County
Daggett County
Duchesne County
Emery County
Garfield County
Grand County
Iron County
Juab County
Kane County
Millard County
Morgan County
Piute County
Rich County
San Juan County
Sanpete County
Sevier County
Summit County
Tooele County
Uintah County
Utah County
Wasatch County
Washington County
Wayne County
Weber County

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is June 15, 2004, unless otherwise noted.

Utah—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated areaDesignationClassification
Date1TypeDate1Type
Uinta Basin, UT:2Unclassifiable
Duchesne County
Uintah County
Ute Indian Tribe of the Uintah & Ouray Reservation3
Rest of State and Rest of Indian CountryUnclassifiable/Attainment

1This date is July 20, 2012, unless otherwise noted.

2Excludes Indian country located in each area, unless otherwise noted.

3Includes Indian country of the tribe listed in this table located in the identified area. Information pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.

Utah—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area1DesignationClassification
Date2TypeDate2Type
Northern Wasatch Front, UTNonattainmentMarginal.
Weber County (part):
All portions of Weber County west of and including Townships 5, 6, and that portion of 7 North Range 1 West that are west of the ridgeline that traces the Wasatch Mountains from the southeast corner of the township to the easternmost extension of the county boundary within the township.
Tooele County (part):
In Tooele County, the following Townships or portions thereof as noted (including Tooele City):
Township 1 South Range 3 West.
Township 2 South Range 3 West.
Township 3 South Range 3 West.
Township 3 South Range 4 West.
Township 2 South Range 4 West.
Township 2 South Range 5 West.
Township 3 South Range 5 West.
Township 3 South Range 6 West.
Township 2 South Range 6 West.
Township 1 South Range 6 West.
Township 1 South Range 5 West.
Township 1 South Range 4 West.
Township 1 South Range 7 West.
Township 2 South Range 7 West.
Township 3 South Range 7 West.
All Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32.
Township 4 South Range 6 West.
Township 4 South Range 5 West.
Township 4 South Range 4 West.
Township 4 South Range 3 West.
Salt Lake County.
Davis County.
Southern Wasatch Front, UTNonattainmentMarginal.
Utah County (part):
All portions of Utah County west of and including any portion of the following townships located within Utah County:
Township 3 South Range 1 East.
Township 4 South Range 2 East.
Township 5 South Range 3 East.
Township 6 South Range 3 East.
Township 7 South Range 3 East.
Township 8 South Range 3 East.
Township 9 South Range 3 East.
Township 10 South Range 2 East.
Uinta Basin, UT3NonattainmentMarginal.
Duchesne County (part):
All land in Duchesne County below a contiguous external perimeter of 6,250 ft. in elevation. All areas within that contiguous external perimeter are included in the nonattainment area—including mesas and buttes which may have an elevation greater than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external perimeter that have elevations less than 6,250 ft. are excluded from the nonattainment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w110 13 arc-second 2013 1 × 1 degree IMG).
Uintah County (part):
All land in Uintah County below a contiguous external perimeter of 6,250 ft. in elevation. All areas within that contiguous external perimeter are included in the nonattainment area—including mesas and buttes which may have an elevation greater than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external perimeter that have elevations less than 6,250 ft. are excluded from the nonattainment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w110 13 arc-second 2013 1 × 1 degree IMG).
Beaver County1/16/18Attainment/Unclassifiable
Box ElderAttainment/Unclassifiable
Cache CountyAttainment/Unclassifiable
Carbon CountyAttainment/Unclassifiable
Daggett CountyAttainment/Unclassifiable
Duchesne County (part) remainderAttainment/Unclassifiable
Emery County1/16/18Attainment/Unclassifiable
Garfield County1/16/18Attainment/Unclassifiable
Grand CountyAttainment/Unclassifiable
Iron County1/16/18Attainment/Unclassifiable
Juab CountyAttainment/Unclassifiable
Kane County1/16/18Attainment/Unclassifiable
Millard County1/16/18Attainment/Unclassifiable
Morgan CountyAttainment/Unclassifiable
Piute County1/16/18Attainment/Unclassifiable
Rich CountyAttainment/Unclassifiable
San Juan County1/16/18Attainment/Unclassifiable
Sanpete CountyAttainment/Unclassifiable
Sevier County1/16/18Attainment/Unclassifiable
Summit CountyAttainment/Unclassifiable
Tooele County (part) remainderAttainment/Unclassifiable
Uintah County (part) remainderAttainment/Unclassifiable
Utah County (part) remainderAttainment/Unclassifiable
Wasatch CountyAttainment/Unclassifiable
Washington County1/16/18Attainment/Unclassifiable
Wayne County1/16/18Attainment/Unclassifiable
Weber County (part) remainderAttainment/Unclassifiable

1Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2This date is August 3, 2018, unless otherwise noted.

3The EPA is designating portions of the Uinta Basin as “nonattainment,” including both Tribal and State lands. The Ute Tribe has air quality planning jurisdiction in the areas of Indian country included in the Uinta Basin nonattainment area, while the State of Utah has air quality planning jurisdiction in the areas of State land included in the Uinta Basin nonattainment area.

Utah—2008 Lead NAAQS

Designated areaDesignation for the 2008 NAAQSa
Date1Type
Whole StateUnclassifiable/Attainment.

aIncludes Indian Country located in each county or area, except as otherwise specified.

1December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978]

Editorial Note: For Federal Register citations affecting §81.345, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

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