Title 40

SECTION 81.326

81.326 Missouri.

§ 81.326 Missouri.

Missouri - TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
St. Louis AQCR (070):
St. Louis (an area extending west about 2 miles from the Mississippi River, north to near I-270 and south to about 1 mile beyond the city limits X
Remainder of the city of St. Louis X
Remainder of AQCR X
Kansas City AQCR (094):
Kansas City (an area extending approximately from the Kansas state line east along Red Bridge Road and 115th Street to Missouri Highway 291, then north to I-70, east to Missouri Highway 7, north to U.S. Highway 24 west to Missouri Highway 291, north to Missouri Highway 152, west to Missouri Highway 9, south to U.S. Highway FF, and due south to the state line) X
St. Joseph: Within city limits X
Remainder of AQCR X
Northern AQCR (137): Mexico (township 51 north, range 9 west) X
Remainder of AQCR X
Southeastern AQCR (138) X
Remainder of AQCR X
Southwestern AQCR (139) X

1 EPA designation replaces State designation.

Missouri - 1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Northern AQCR (137):
Pike County X
Ralls County X
Remainder of AQCR X
Remainder of State X

Missouri - 2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 3 Designation
Date 2 Type
Jackson County, MO 10/4/13 Nonattainment.
Jackson County (part)
The portion of Jackson County bounded by I-70/I-670 and the Missouri River to the north; and, to the west of I-435 to the state line separating Missouri and Kansas.
Jefferson County, MO 10/4/13 Nonattainment.
Jefferson County (part)
That portion within Jefferson County described by connecting the following four sets of UTM coordinates moving in a clockwise manner:
(Herculaneum USGS Quadrangle)
718360.283 4250477.056
729301.869 4250718.415
729704.134 4236840.30
718762.547 4236558.715
(Festus USGS Quadrangle)
718762.547 4236558.715
729704.134 4236840.30
730066.171 4223042.637
719124.585 4222680.6
(Selma USGS Quadrangle)
729704.134 4236840.30
730428.209 4236840.3
741047.984 4223283.996
730066.171 4223042.637
(Valmeyer USGS Quadrangle)
729301.869 4250718.415
731474.096 4250798.868
730428.209 4236840.3
729704.134 4236840.30
Franklin-St. Charles Counties, MO 9/12/16 Unclassifiable.
Franklin County (part)
The eastern and western boundaries are Boles Township boundaries. The northern boundary is the Franklin County-St. Charles County Line. The southern boundary is Interstate 44.
St. Charles County (part)
The eastern and western boundaries are Boone Township boundaries. The northern boundary is Missouri Route D and Highway 94. The southern boundary is the Franklin County-St. Charles County Line.
Jackson County, MO 9/12/16 Unclassifiable.
Jackson County (part)
The northern boundary is the county line separating Jackson County from Clay and Ray Counties. The eastern boundary is the county line separating Jackson County from Lafayette County. The southern boundary is Interstates 70 and 470. The western boundary is Missouri Highway 291.
Adair County Attainment/Unclassifiable.
Andrew County Attainment/Unclassifiable.
Atchison County Attainment/Unclassifiable.
Audrain County Attainment/Unclassifiable.
Barry County Attainment/Unclassifiable.
Barton County Attainment/Unclassifiable.
Bates County Attainment/Unclassifiable.
Benton County Attainment/Unclassifiable.
Bollinger County Attainment/Unclassifiable.
Boone County Attainment/Unclassifiable.
Buchanan County Attainment/Unclassifiable.
Butler County Attainment/Unclassifiable.
Caldwell County Attainment/Unclassifiable.
Callaway County Attainment/Unclassifiable.
Camden County Attainment/Unclassifiable.
Cape Girardeau County Attainment/Unclassifiable.
Carroll County Attainment/Unclassifiable.
Carter County Attainment/Unclassifiable.
Cass County Attainment/Unclassifiable.
Cedar County Attainment/Unclassifiable.
Chariton County Attainment/Unclassifiable.
Christian County Attainment/Unclassifiable.
Clark County Attainment/Unclassifiable.
Clay County Attainment/Unclassifiable.
Clinton County Attainment/Unclassifiable.
Cole County Attainment/Unclassifiable.
Cooper County Attainment/Unclassifiable.
Crawford County Attainment/Unclassifiable.
Dade County Attainment/Unclassifiable.
Dallas County Attainment/Unclassifiable.
Daviess County Attainment/Unclassifiable.
DeKalb County Attainment/Unclassifiable.
Dent County Attainment/Unclassifiable.
Douglas County Attainment/Unclassifiable.
Dunklin County Attainment/Unclassifiable.
Franklin County (part) (remainder) Attainment/Unclassifiable.
Gasconade County Attainment/Unclassifiable.
Gentry County Attainment/Unclassifiable.
Greene County Attainment/Unclassifiable.
Grundy County Attainment/Unclassifiable.
Harrison County Attainment/Unclassifiable.
Henry County Attainment/Unclassifiable.
Hickory County Attainment/Unclassifiable.
Holt County Attainment/Unclassifiable.
Howard County Attainment/Unclassifiable.
Howell County Attainment/Unclassifiable.
Jackson County (part) (remainder) Attainment/Unclassifiable.
Jasper County Attainment/Unclassifiable.
Jefferson County (part) (remainder) Attainment/Unclassifiable.
Johnson County Attainment/Unclassifiable.
Knox County Attainment/Unclassifiable.
Laclede County Attainment/Unclassifiable.
Lafayette County Attainment/Unclassifiable.
Lawrence County Attainment/Unclassifiable.
Lewis County Attainment/Unclassifiable.
Lincoln County Attainment/Unclassifiable.
Linn County Attainment/Unclassifiable.
Livingston County Attainment/Unclassifiable.
Macon County Attainment/Unclassifiable.
Madison County Attainment/Unclassifiable.
Maries County Attainment/Unclassifiable.
Marion County Attainment/Unclassifiable.
McDonald County Attainment/Unclassifiable.
Mercer County Attainment/Unclassifiable.
Miller County Attainment/Unclassifiable.
Mississippi County Attainment/Unclassifiable.
Moniteau County Attainment/Unclassifiable.
Monroe County Attainment/Unclassifiable.
Montgomery County Attainment/Unclassifiable.
Morgan County Attainment/Unclassifiable.
Newton County Attainment/Unclassifiable.
Nodaway County Attainment/Unclassifiable.
Oregon County Attainment/Unclassifiable.
Osage County Attainment/Unclassifiable.
Ozark County Attainment/Unclassifiable.
Pemiscot County Attainment/Unclassifiable.
Perry County Attainment/Unclassifiable.
Pettis County Attainment/Unclassifiable.
Phelps County Attainment/Unclassifiable.
Pike County Attainment/Unclassifiable.
Platte County Attainment/Unclassifiable.
Polk County Attainment/Unclassifiable.
Pulaski County Attainment/Unclassifiable.
Putnam County Attainment/Unclassifiable.
Ralls County Attainment/Unclassifiable.
Randolph County Attainment/Unclassifiable.
Ray County Attainment/Unclassifiable.
Reynolds County Attainment/Unclassifiable.
Ripley County Attainment/Unclassifiable.
St. Charles County (part) (remainder) Attainment/Unclassifiable.
St. Clair County Attainment/Unclassifiable.
St. Francois County Attainment/Unclassifiable.
Ste. Genevieve County Attainment/Unclassifiable.
St. Louis City Attainment/Unclassifiable.
St. Louis County Attainment/Unclassifiable.
Saline County Attainment/Unclassifiable.
Schuyler County Attainment/Unclassifiable.
Scotland County Attainment/Unclassifiable.
Scott County 9/12/16 Attainment/Unclassifiable.
Shannon County Attainment/Unclassifiable.
Shelby County Attainment/Unclassifiable.
Stoddard County Attainment/Unclassifiable.
Stone County Attainment/Unclassifiable.
Sullivan County Attainment/Unclassifiable.
Taney County Attainment/Unclassifiable.
Texas County Attainment/Unclassifiable.
Vernon County Attainment/Unclassifiable.
Warren County Attainment/Unclassifiable.
Washington County Attainment/Unclassifiable.
Wayne County Attainment/Unclassifiable.
Webster County Attainment/Unclassifiable.
Worth County Attainment/Unclassifiable.
Wright County Attainment/Unclassifiable.

1 Includes 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.

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

3 Iron and New Madrid Counties will be designated by December 31, 2020.

Missouri - Carbon Monoxide

Designated Area Designation Classification
Date 1 Type Date 1 Type
St. Louis Area:
St. Louis City Attainment
St. Louis County (part):
The area encompassed by the I-270 and the, Mississippi River. Attainment
AQCR 137 Northern Missouri Intrastate:
Pike County Unclassifiable/Attainment
Ralls County Unclassifiable/Attainment
AQCR 137 Northern Missouri Intrastate (Remainder of) Unclassifiable/Attainment
Adair County
Andrew County
Atchison County
Audrain County
Boone County
Caldwell County
Callaway County
Carroll County
Chariton County
Clark County
Clinton County
Cole County
Cooper County
Daviess County
De Kalb County
Gentry County
Grundy County
Harrison County
Holt County
Howard County
Knox County
Lewis County
Lincoln County
Linn County
Livingston County
Macon County
Marion County
Mercer County
Moniteau County
Monroe County
Montgomery County
Nodaway County
Osage County
Putnam County
Randolph County
Saline County
Schuyler County
Scotland County
Shelby County
Sullivan County
Warren County
Worth County
Rest of State Unclassifiable/Attainment
Barry County
Barton County
Bates County
Benton County
Bollinger County
Buchanan County
Butler County
Camden County
Cape Girardeau County
Carter County
Cass County
Cedar County
Christina County
Clay County
Crawford County
Dade County
Dallas County
Dent County
Douglas County
Dunklin County
Franklin County
Gasconade County
Greene County
Henry County
Hickory County
Howell County
Iron County
Jackson County
Jasper County
Jefferson County
Johnson County
Laclede County
Lafayette County
Lawrence County
Madison County
Maries County
McDonald County
Miller County
Mississippi County
Morgan County
New Madrid County
Newton County
Oregon County
Ozark County
Pemiscot County
Perry County
Pettis County
Phelps County
Platte County
Polk County
Pulaski County
Ray County
Reynolds County
Ripley County
Scott County
Shannon County
St. Charles County
St. Clair County
St. Francis County
St. Louis County (part) Remainder of County
Ste. Geevieve County
Stoddard County
Stone County
Taney County
Texas County
Vernon County
Washington County
Wayne County
Webster County
Wright County

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

Missouri - Ozone (1-Hour Standard) 2

Designated area Designation Classification
Date 1 Type Date 1 Type
Kansas City Area:
Clay County 7/23/92 Unclassifiable/Attainment
Jackson County 7/23/92 Unclassifiable/Attainment
Platte County 7/23/92 Unclassifiable/Attainment
St. Louis Area:
Franklin County 5/12/03 Attainment
Jefferson County 5/12/03 Attainment
St. Charles County 5/12/03 Attainment
St. Louis 5/12/03 Attainment
St. Louis County 5/12/03 Attainment
AQCR 094 Metro Kansas City Interstate (Remainder of)
Buchanan County
Cass County
Ray County
AQCR 137 N. Missouri Intrastate (part)
Pike County Unclassifiable/Attainment
Ralls County Unclassifiable/Attainment
AQCR 137 N. Missouri Intrastate (Remainder of) Unclassifiable/Attainment
Adair County
Andrew County
Atchison County
Audrain County
Boone County
Caldwell County
Callaway County
Carroll County
Chariton County
Clark County
Clinton County
Cole County
Cooper County
Daviess County
DeKalb County
Gentry County
Grundy County
Harrison County
Holt County
Howard County
Knox County
Lewis County
Lincoln County
Linn County
Livingston County
Macon County
Marion County
Mercer County
Moniteau County
Monroe County
Montgomery County
Nodaway County
Osage County
Putnam County
Randolph County
Saline County
Schuyler County
Scotland County
Shelby County
Sullivan County
Warren County
Worth County
Rest of State Unclassifiable/Attainment
Barry County
Barton County
Bates County
Benton County
Bollinger County
Butler County
Camden County
Cape Girardeau County
Carter County
Cedar County
Christian County
Crawford County
Dade County
Dallas County
Dent County
Douglas County
Dunklin County
Gasconade County
Greene County
Henry County
Hickory County
Howell County
Iron County
Jasper County
Johnson County
Laclede County
Lafayette County
Lawrence County
Madison County
Maries County
McDonald County
Miller County
Mississippi County
Morgan County
New Madrid County
Newton County
Oregon County
Ozark County
Pemiscot County
Perry County
Pettis County
Phelps County
Polk County
Pulaski County
Reynolds County
Ripley County
Scott County
Shannon County
St. Clair County
St. Francois County
Ste. Genevieve County
Stoddard County
Stone County
Taney County
Texas County
Vernon County
Washington County
Wayne County
Webster County
Wright County

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

2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Missouri. The Kansas City and St. Louis areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Missouri - 1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date 2 Type
St. Louis, MO-IL:
Franklin County 8/3/18 Attainment
Jefferson County 8/3/18 Attainment
St. Charles County 8/3/18 Attainment
St. Louis County 8/3/18 Attainment
St. Louis City 8/3/18 Attainment
Rest of State:
Adair County Unclassifiable/Attainment.
Andrew County Unclassifiable/Attainment.
Atchison County Unclassifiable/Attainment.
Audrain County Unclassifiable/Attainment.
Barry County Unclassifiable/Attainment.
Barton County Unclassifiable/Attainment.
Bates County Unclassifiable/Attainment.
Benton County Unclassifiable/Attainment.
Bollinger County Unclassifiable/Attainment.
Boone County Unclassifiable/Attainment.
Buchanan County Unclassifiable/Attainment.
Butler County Unclassifiable/Attainment.
Caldwell County Unclassifiable/Attainment.
Callaway County Unclassifiable/Attainment.
Camden County Unclassifiable/Attainment.
Cape Girardeau County Unclassifiable/Attainment.
Carroll County Unclassifiable/Attainment.
Carter County Unclassifiable/Attainment.
Cass County Unclassifiable/Attainment.
Cedar County Unclassifiable/Attainment.
Chariton County Unclassifiable/Attainment.
Christian County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Clay County Unclassifiable/Attainment.
Clinton County Unclassifiable/Attainment.
Cole County Unclassifiable/Attainment.
Cooper County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dade County Unclassifiable/Attainment.
Dallas County Unclassifiable/Attainment.
Daviess County Unclassifiable/Attainment.
DeKalb County Unclassifiable/Attainment.
Dent County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunklin County Unclassifiable/Attainment.
Gasconade County Unclassifiable/Attainment.
Gentry County Unclassifiable/Attainment.
Greene County Unclassifiable/Attainment.
Grundy County Unclassifiable/Attainment.
Harrison County Unclassifiable/Attainment.
Henry County Unclassifiable/Attainment.
Hickory County Unclassifiable/Attainment.
Holt County Unclassifiable/Attainment.
Howard County Unclassifiable/Attainment.
Howell County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jasper County Unclassifiable/Attainment.
Johnson County Unclassifiable/Attainment.
Knox County Unclassifiable/Attainment.
Laclede County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Lawrence County Unclassifiable/Attainment.
Lewis County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Linn County Unclassifiable/Attainment.
Livingston County Unclassifiable/Attainment.
McDonald County Unclassifiable/Attainment.
Macon County Unclassifiable/Attainment.
Madison County Unclassifiable/Attainment.
Maries County Unclassifiable/Attainment.
Marion County Unclassifiable/Attainment.
Mercer County Unclassifiable/Attainment.
Miller County Unclassifiable/Attainment.
Mississippi County Unclassifiable/Attainment.
Moniteau County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Montgomery County Unclassifiable/Attainment.
Morgan County Unclassifiable/Attainment.
New Madrid County Unclassifiable/Attainment.
Newton County Unclassifiable/Attainment.
Oregon County Unclassifiable/Attainment.
Osage County Unclassifiable/Attainment.
Ozark County Unclassifiable/Attainment.
Pemiscot County Unclassifiable/Attainment.
Perry County Unclassifiable/Attainment.
Pettis County Unclassifiable/Attainment.
Phelps County Unclassifiable/Attainment.
Pike County Unclassifiable/Attainment.
Platte County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Pulaski County Unclassifiable/Attainment.
Putnam County Unclassifiable/Attainment.
Ralls County Unclassifiable/Attainment.
Randolph County Unclassifiable/Attainment.
Ray County Unclassifiable/Attainment.
Reynolds County Unclassifiable/Attainment.
Ripley County Unclassifiable/Attainment.
St. Clair County Unclassifiable/Attainment.
St. Genevieve County Unclassifiable/Attainment.
St. Francois County Unclassifiable/Attainment.
Saline County Unclassifiable/Attainment.
Schuyler County Unclassifiable/Attainment.
Scotland County Unclassifiable/Attainment.
Scott County Unclassifiable/Attainment.
Shannon County Unclassifiable/Attainment.
Shelby County Unclassifiable/Attainment.
Stoddard County Unclassifiable/Attainment.
Stone County Unclassifiable/Attainment.
Sullivan County Unclassifiable/Attainment.
Taney County Unclassifiable/Attainment.
Texas County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Warren County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Wayne County Unclassifiable/Attainment.
Webster County Unclassifiable/Attainment.
Worth County Unclassifiable/Attainment.
Wright County Unclassifiable/Attainment.

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

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

2 This date is July 2, 2014, unless otherwise noted.

Missouri - 2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification
Date 2 Type Date 2 Type
St. Louis Area, MO-IL:
Franklin County 7/29/2019, 84 FR 36473 Unclassifiable/Attainment
Jefferson County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant
St. Charles County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant
St. Louis County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant
St. Louis City 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant
Rest of State:
Adair County Unclassifiable/Attainment
Andrew County Unclassifiable/Attainment
Atchison County Unclassifiable/Attainment
Audrain County Unclassifiable/Attainment
Barry County Unclassifiable/Attainment
Barton County Unclassifiable/Attainment
Bates County Unclassifiable/Attainment
Benton County Unclassifiable/Attainment
Bollinger County Unclassifiable/Attainment
Boone County Unclassifiable/Attainment
Buchanan County Unclassifiable/Attainment
Butler County Unclassifiable/Attainment
Caldwell County Unclassifiable/Attainment
Callaway County Unclassifiable/Attainment
Camden County Unclassifiable/Attainment
Cape Girardeau County Unclassifiable/Attainment
Carroll County Unclassifiable/Attainment
Carter County Unclassifiable/Attainment
Cass County Unclassifiable/Attainment
Cedar County Unclassifiable/Attainment
Chariton County Unclassifiable/Attainment
Christian County Unclassifiable/Attainment
Clark County Unclassifiable/Attainment
Clay County Unclassifiable/Attainment
Clinton County Unclassifiable/Attainment
Cole County Unclassifiable/Attainment
Cooper County Unclassifiable/Attainment
Crawford County Unclassifiable/Attainment
Dade County Unclassifiable/Attainment
Dallas County Unclassifiable/Attainment
Daviess County Unclassifiable/Attainment
DeKalb County Unclassifiable/Attainment
Dent County Unclassifiable/Attainment
Douglas County Unclassifiable/Attainment
Dunklin County Unclassifiable/Attainment
Gasconade County Unclassifiable/Attainment
Gentry County Unclassifiable/Attainment
Greene County Unclassifiable/Attainment
Grundy County Unclassifiable/Attainment
Harrison County Unclassifiable/Attainment
Henry County Unclassifiable/Attainment
Hickory County Unclassifiable/Attainment
Holt County Unclassifiable/Attainment
Howard County Unclassifiable/Attainment
Howell County Unclassifiable/Attainment
Iron County Unclassifiable/Attainment
Jackson County Unclassifiable/Attainment
Jasper County Unclassifiable/Attainment
Johnson County Unclassifiable/Attainment
Knox County Unclassifiable/Attainment
Laclede County Unclassifiable/Attainment
Lafayette County Unclassifiable/Attainment
Lawrence County Unclassifiable/Attainment
Lewis County Unclassifiable/Attainment
Lincoln County Unclassifiable/Attainment
Linn County Unclassifiable/Attainment
Livingston County Unclassifiable/Attainment
McDonald County Unclassifiable/Attainment
Macon County Unclassifiable/Attainment
Madison County Unclassifiable/Attainment
Maries County Unclassifiable/Attainment
Marion County Unclassifiable/Attainment
Mercer County Unclassifiable/Attainment
Miller County Unclassifiable/Attainment
Mississippi County Unclassifiable/Attainment
Moniteau County Unclassifiable/Attainment
Monroe County Unclassifiable/Attainment
Montgomery County Unclassifiable/Attainment
Morgan County Unclassifiable/Attainment
New Madrid County Unclassifiable/Attainment
Newton County Unclassifiable/Attainment
Nodaway County Unclassifiable/Attainment
Oregon County Unclassifiable/Attainment
Osage County Unclassifiable/Attainment
Ozark County Unclassifiable/Attainment
Pemiscot County Unclassifiable/Attainment
Perry County Unclassifiable/Attainment
Pettis County Unclassifiable/Attainment
Phelps County Unclassifiable/Attainment
Pike County Unclassifiable/Attainment
Platte County Unclassifiable/Attainment
Polk County Unclassifiable/Attainment
Pulaski County Unclassifiable/Attainment
Putnam County Unclassifiable/Attainment
Ralls County Unclassifiable/Attainment
Randolph County Unclassifiable/Attainment
Ray County Unclassifiable/Attainment
Reynolds County Unclassifiable/Attainment
Ripley County Unclassifiable/Attainment
St Clair County Unclassifiable/Attainment
St Genevieve County Unclassifiable/Attainment
St Francois County Unclassifiable/Attainment
Saline County Unclassifiable/Attainment
Schuyler County Unclassifiable/Attainment
Scotland County Unclassifiable/Attainment
Scott County Unclassifiable/Attainment
Shannon County Unclassifiable/Attainment
Shelby County Unclassifiable/Attainment
Stoddard County Unclassifiable/Attainment
Stone County Unclassifiable/Attainment
Sullivan County Unclassifiable/Attainment
Taney County Unclassifiable/Attainment
Texas County Unclassifiable/Attainment
Vernon County Unclassifiable/Attainment
Warren County Unclassifiable/Attainment
Washington County Unclassifiable/Attainment
Wayne County Unclassifiable/Attainment
Webster County Unclassifiable/Attainment
Worth County Unclassifiable/Attainment
Wright County Unclassifiable/Attainment

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

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

Missouri - 1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Adair County Unclassifiable/Attainment.
Andrew County Unclassifiable/Attainment.
Atchison County Unclassifiable/Attainment.
Audrain County Unclassifiable/Attainment.
Barry County Unclassifiable/Attainment.
Barton County Unclassifiable/Attainment.
Bates County Unclassifiable/Attainment.
Benton County Unclassifiable/Attainment.
Bollinger County Unclassifiable/Attainment.
Boone County Unclassifiable/Attainment.
Buchanan County Unclassifiable/Attainment.
Butler County Unclassifiable/Attainment.
Caldwell County Unclassifiable/Attainment.
Callaway County Unclassifiable/Attainment.
Camden County Unclassifiable/Attainment.
Cape Girardeau County Unclassifiable/Attainment.
Carroll County Unclassifiable/Attainment.
Carter County Unclassifiable/Attainment.
Cass County Unclassifiable/Attainment.
Cedar County Unclassifiable/Attainment.
Chariton County Unclassifiable/Attainment.
Christian County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Clay County Unclassifiable/Attainment.
Clinton County Unclassifiable/Attainment.
Cole County Unclassifiable/Attainment.
Cooper County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dade County Unclassifiable/Attainment.
Dallas County Unclassifiable/Attainment.
Daviess County Unclassifiable/Attainment.
DeKalb County Unclassifiable/Attainment.
Dent County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunklin County Unclassifiable/Attainment.
Franklin County Unclassifiable/Attainment.
Gasconade County Unclassifiable/Attainment.
Gentry County Unclassifiable/Attainment.
Greene County Unclassifiable/Attainment.
Grundy County Unclassifiable/Attainment.
Harrison County Unclassifiable/Attainment.
Henry County Unclassifiable/Attainment.
Hickory County Unclassifiable/Attainment.
Holt County Unclassifiable/Attainment.
Howard County Unclassifiable/Attainment.
Howell County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jasper County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Johnson County Unclassifiable/Attainment.
Knox County Unclassifiable/Attainment.
Laclede County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Lawrence County Unclassifiable/Attainment.
Lewis County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Linn County Unclassifiable/Attainment.
Livingston County Unclassifiable/Attainment.
McDonald County Unclassifiable/Attainment.
Macon County Unclassifiable/Attainment.
Madison County Unclassifiable/Attainment.
Maries County Unclassifiable/Attainment.
Marion County Unclassifiable/Attainment.
Mercer County Unclassifiable/Attainment.
Miller County Unclassifiable/Attainment.
Mississippi County Unclassifiable/Attainment.
Moniteau County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Montgomery County Unclassifiable/Attainment.
Morgan County Unclassifiable/Attainment.
New Madrid County Unclassifiable/Attainment.
Newton County Unclassifiable/Attainment.
Nodaway County Unclassifiable/Attainment.
Oregon County Unclassifiable/Attainment.
Osage County Unclassifiable/Attainment.
Ozark County Unclassifiable/Attainment.
Pemiscot County Unclassifiable/Attainment.
Perry County Unclassifiable/Attainment.
Pettis County Unclassifiable/Attainment.
Phelps County Unclassifiable/Attainment.
Pike County Unclassifiable/Attainment.
Platte County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Pulaski County Unclassifiable/Attainment.
Putnam County Unclassifiable/Attainment.
Ralls County Unclassifiable/Attainment.
Randolph County Unclassifiable/Attainment.
Ray County Unclassifiable/Attainment.
Reynolds County Unclassifiable/Attainment.
Ripley County Unclassifiable/Attainment.
St Charles County Unclassifiable/Attainment.
St Clair County Unclassifiable/Attainment.
St Genevieve County Unclassifiable/Attainment.
St Francois County Unclassifiable/Attainment.
St Louis City Unclassifiable/Attainment.
St Louis County Unclassifiable/Attainment.
Saline County Unclassifiable/Attainment.
Schuyler County Unclassifiable/Attainment.
Scotland County Unclassifiable/Attainment.
Scott County Unclassifiable/Attainment.
Shannon County Unclassifiable/Attainment.
Shelby County Unclassifiable/Attainment.
Stoddard County Unclassifiable/Attainment.
Stone County Unclassifiable/Attainment.
Sullivan County Unclassifiable/Attainment.
Taney County Unclassifiable/Attainment.
Texas County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Warren County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Wayne County Unclassifiable/Attainment.
Webster County Unclassifiable/Attainment.
Worth County Unclassifiable/Attainment.
Wright County Unclassifiable/Attainment.

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

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

Missouri - 2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Adair County Unclassifiable/Attainment.
Andrew County Unclassifiable/Attainment.
Atchison County Unclassifiable/Attainment.
Audrain County Unclassifiable/Attainment.
Barry County Unclassifiable/Attainment.
Barton County Unclassifiable/Attainment.
Bates County Unclassifiable/Attainment.
Benton County Unclassifiable/Attainment.
Bollinger County Unclassifiable/Attainment.
Boone County Unclassifiable/Attainment.
Buchanan County Unclassifiable/Attainment.
Butler County Unclassifiable/Attainment.
Caldwell County Unclassifiable/Attainment.
Callaway County Unclassifiable/Attainment.
Camden County Unclassifiable/Attainment.
Cape Girardeau County Unclassifiable/Attainment.
Carroll County Unclassifiable/Attainment.
Carter County Unclassifiable/Attainment.
Cass County Unclassifiable/Attainment.
Cedar County Unclassifiable/Attainment.
Chariton County Unclassifiable/Attainment.
Christian County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Clay County Unclassifiable/Attainment.
Clinton County Unclassifiable/Attainment.
Cole County Unclassifiable/Attainment.
Cooper County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dade County Unclassifiable/Attainment.
Dallas County Unclassifiable/Attainment.
Daviess County Unclassifiable/Attainment.
DeKalb County Unclassifiable/Attainment.
Dent County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunklin County Unclassifiable/Attainment.
Franklin County Unclassifiable/Attainment.
Gasconade County Unclassifiable/Attainment.
Gentry County Unclassifiable/Attainment.
Greene County Unclassifiable/Attainment.
Grundy County Unclassifiable/Attainment.
Harrison County Unclassifiable/Attainment.
Henry County Unclassifiable/Attainment.
Hickory County Unclassifiable/Attainment.
Holt County Unclassifiable/Attainment.
Howard County Unclassifiable/Attainment.
Howell County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jasper County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Johnson County Unclassifiable/Attainment.
Knox County Unclassifiable/Attainment.
Laclede County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Lawrence County Unclassifiable/Attainment.
Lewis County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Linn County Unclassifiable/Attainment.
Livingston County Unclassifiable/Attainment.
McDonald County Unclassifiable/Attainment.
Macon County Unclassifiable/Attainment.
Madison County Unclassifiable/Attainment.
Maries County Unclassifiable/Attainment.
Marion County Unclassifiable/Attainment.
Mercer County Unclassifiable/Attainment.
Miller County Unclassifiable/Attainment.
Mississippi County Unclassifiable/Attainment.
Moniteau County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Montgomery County Unclassifiable/Attainment.
Morgan County Unclassifiable/Attainment.
New Madrid County Unclassifiable/Attainment.
Newton County Unclassifiable/Attainment.
Nodaway County Unclassifiable/Attainment.
Oregon County Unclassifiable/Attainment.
Osage County Unclassifiable/Attainment.
Ozark County Unclassifiable/Attainment.
Pemiscot County Unclassifiable/Attainment.
Perry County Unclassifiable/Attainment.
Pettis County Unclassifiable/Attainment.
Phelps County Unclassifiable/Attainment.
Pike County Unclassifiable/Attainment.
Platte County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Pulaski County Unclassifiable/Attainment.
Putnam County Unclassifiable/Attainment.
Ralls County Unclassifiable/Attainment.
Randolph County Unclassifiable/Attainment.
Ray County Unclassifiable/Attainment.
Reynolds County Unclassifiable/Attainment.
Ripley County Unclassifiable/Attainment.
St Charles County Unclassifiable/Attainment.
St Clair County Unclassifiable/Attainment.
St Genevieve County Unclassifiable/Attainment.
St Francois County Unclassifiable/Attainment.
St Louis City Unclassifiable/Attainment.
St Louis County Unclassifiable/Attainment.
Saline County Unclassifiable/Attainment.
Schuyler County Unclassifiable/Attainment.
Scotland County Unclassifiable/Attainment.
Scott County Unclassifiable/Attainment.
Shannon County Unclassifiable/Attainment.
Shelby County Unclassifiable/Attainment.
Stoddard County Unclassifiable/Attainment.
Stone County Unclassifiable/Attainment.
Sullivan County Unclassifiable/Attainment.
Taney County Unclassifiable/Attainment.
Texas County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Warren County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Wayne County Unclassifiable/Attainment.
Webster County Unclassifiable/Attainment.
Worth County Unclassifiable/Attainment.
Wright County Unclassifiable/Attainment.

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

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

Missouri - NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards
Northern AQCR (137):
Pike County X
Ralls County X
Remainder of AQCR X
Remainder of State X

Missouri - NO2 (2010 1-Hour Standard)

Designated area Designation a
Date 1 Type
Adair County Unclassifiable/Attainment.
Andrew County Unclassifiable/Attainment.
Atchison County Unclassifiable/Attainment.
Audrain County Unclassifiable/Attainment.
Barry County Unclassifiable/Attainment.
Barton County Unclassifiable/Attainment.
Bates County Unclassifiable/Attainment.
Benton County Unclassifiable/Attainment.
Bollinger County Unclassifiable/Attainment.
Boone County Unclassifiable/Attainment.
Buchanan County Unclassifiable/Attainment.
Butler County Unclassifiable/Attainment.
Caldwell County Unclassifiable/Attainment.
Callaway County Unclassifiable/Attainment.
Camden County Unclassifiable/Attainment.
Cape Girardeau County Unclassifiable/Attainment.
Carroll County Unclassifiable/Attainment.
Carter County Unclassifiable/Attainment.
Cass County Unclassifiable/Attainment.
Cedar County Unclassifiable/Attainment.
Chariton County Unclassifiable/Attainment.
Christian County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Clay County Unclassifiable/Attainment.
Clinton County Unclassifiable/Attainment.
Cole County Unclassifiable/Attainment.
Cooper County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dade County Unclassifiable/Attainment.
Dallas County Unclassifiable/Attainment.
Daviess County Unclassifiable/Attainment.
DeKalb County Unclassifiable/Attainment.
Dent County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunklin County Unclassifiable/Attainment.
Franklin County Unclassifiable/Attainment.
Gasconade County Unclassifiable/Attainment.
Gentry County Unclassifiable/Attainment.
Greene County Unclassifiable/Attainment.
Grundy County Unclassifiable/Attainment.
Harrison County Unclassifiable/Attainment.
Henry County Unclassifiable/Attainment.
Hickory County Unclassifiable/Attainment.
Holt County Unclassifiable/Attainment.
Howard County Unclassifiable/Attainment.
Howell County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jasper County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Johnson County Unclassifiable/Attainment.
Knox County Unclassifiable/Attainment.
Laclede County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Lawrence County Unclassifiable/Attainment.
Lewis County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Linn County Unclassifiable/Attainment.
Livingston County Unclassifiable/Attainment.
McDonald County Unclassifiable/Attainment.
Macon County Unclassifiable/Attainment.
Madison County Unclassifiable/Attainment.
Maries County Unclassifiable/Attainment.
Marion County Unclassifiable/Attainment.
Mercer County Unclassifiable/Attainment.
Miller County Unclassifiable/Attainment.
Mississippi County Unclassifiable/Attainment.
Moniteau County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Montgomery County Unclassifiable/Attainment.
Morgan County Unclassifiable/Attainment.
New Madrid County Unclassifiable/Attainment.
Newton County Unclassifiable/Attainment.
Nodaway County Unclassifiable/Attainment.
Oregon County Unclassifiable/Attainment.
Osage County Unclassifiable/Attainment.
Ozark County Unclassifiable/Attainment.
Pemiscot County Unclassifiable/Attainment.
Perry County Unclassifiable/Attainment.
Pettis County Unclassifiable/Attainment.
Phelps County Unclassifiable/Attainment.
Pike County Unclassifiable/Attainment.
Platte County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Pulaski County Unclassifiable/Attainment.
Putnam County Unclassifiable/Attainment.
Ralls County Unclassifiable/Attainment.
Randolph County Unclassifiable/Attainment.
Ray County Unclassifiable/Attainment.
Reynolds County Unclassifiable/Attainment.
Ripley County Unclassifiable/Attainment.
St. Charles County Unclassifiable/Attainment.
St. Clair County Unclassifiable/Attainment.
St. Genevieve County Unclassifiable/Attainment.
St. Francois County Unclassifiable/Attainment.
St. Louis County Unclassifiable/Attainment.
St. Louis City Unclassifiable/Attainment.
Saline County Unclassifiable/Attainment.
Schuyler County Unclassifiable/Attainment.
Scotland County Unclassifiable/Attainment.
Scott County Unclassifiable/Attainment.
Shannon County Unclassifiable/Attainment.
Shelby County Unclassifiable/Attainment.
Stoddard County Unclassifiable/Attainment.
Stone County Unclassifiable/Attainment.
Sullivan County Unclassifiable/Attainment.
Taney County Unclassifiable/Attainment.
Texas County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Warren County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Wayne County Unclassifiable/Attainment.
Webster County Unclassifiable/Attainment.
Worth County Unclassifiable/Attainment.
Wright County Unclassifiable/Attainment.

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

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

Missouri - 1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification
Date 1 Type Date 1 Type
Kansas City, MO-KS:
Cass County 5/3/05 Attainment.
Clay County 5/3/05 Attainment.
Jackson County 5/3/05 Attainment.
Platte County 5/3/05 Attainment.
St. Louis, MO-IL
Franklin County 2/20/15 Attainment
Jefferson County 2/20/15 Attainment
St. Charles County 2/20/15 Attainment
St. Louis City 2/20/15 Attainment
St. Louis County 2/20/15 Attainment
AQCR 094 Metro Kansas City Interstate Unclassifiable/Attainment.
Buchanan County
Ray County
AQCR 137 N. Missouri Intrastate (part)
Pike County Unclassifiable/Attainment.
Ralls County Unclassifiable/Attainment.
AQCR 137 N. Missouri Intrastate (remainder of)Unclassifiable/Attainment.
Adair County
Andrew County
Atchison County
Audrain County
Boone County
Caldwell County
Callaway County
Carroll County
Chariton County
Clark County
Clinton County
Cole County
Cooper County
Daviess County
DeKalb County
Gentry County
Grundy County
Harrison County
Holt County
Howard County
Knox County
Lewis County
Lincoln County
Linn County
Livingston County
Macon County
Marion County
Mercer County
Moniteau County
Monroe County
Montgomery County
Nodaway County
Osage County
Putnam County
Randolph County
Saline County
Schuyler County
Scotland County
Shelby County
Sullivan County
Warren County
Worth County
Rest of State: Unclassifiable/Attainment
Barry County
Barton County
Bates County
Benton County
Bollinger County
Butler County
Camden County
Cape Girardeau County
Carter County
Cedar County
Christian County
Crawford County
Dade County
Dallas County
Dent County
Douglas County
Dunklin County
Gasconade County
Greene County
Henry County
Hickory County
Howell County
Iron County
Jasper County
Johnson County
Laclede County
Lafayette County
Lawrence County
Madison County
Maries County
McDonald County
Miller County
Mississippi County
Morgan County
New Madrid County
Newton County
Oregon County
Ozark County
Pemiscot County
Perry County
Pettis County
Phelps County
Polk County
Pulaski County
Reynolds County
Ripley County
St. Clair County
St. Francois County
Ste. Genevieve County
Scott County
Shannon County
Stoddard County
Stone County
Taney County
Texas County
Vernon County
Washington County
Wayne County
Webster County
Wright County

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

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

Missouri - 2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification
Date 1 Type Date 1 Type
St. Louis-St. Charles-Farmington, MO-IL 2:
Franklin County 9/20/2018 Attainment
Jefferson County 9/20/2018 Attainment
St. Charles County 9/20/2018 Attainment
St. Louis County 9/20/2018 Attainment
St. Louis City 9/20/2018 Attainment
Rest of State: 3 Unclassifiable/Attainment
Adair County
Andrew County
Atchison County
Audrain County
Barry County
Barton County
Bates County
Benton County
Bollinger County
Boone County
Buchanan County
Butler County
Caldwell County
Callaway County
Camden County
Cape Girardeau County
Carter County
Cass County
Cedar County
Chariton County
Christian County
Clark County
Clay County
Clinton County
Cole County
Cooper County
Crawford County
Dade County
Dallas County
Daviess County
DeKalb County
Dent County
Douglas County
Dunklin County
Gasconade County
Gentry County
Greene County
Grundy County
Harrison County
Henry County
Hickory County
Holt County
Howard County
Howell County
Iron County
Jackson County
Jasper County
Johnson County
Knox County
Laclede County
Lafayette County
Lawrence County
Lewis County
Lincoln County
Linn County
Livingston County
McDonald County
Macon County
Madison County
Maries County
Marion County
Mercer County
Miller County
Mississippi County
Moniteau County
Monroe County
Montgomery County
Morgan County
New Madrid County
Newton County
Nodaway County
Oregon County
Osage County
Ozark County
Pemiscot County
Perry County
Pettis County
Phelps County
Pike County
Platte County
Polk County
Pulaski County
Putnam County
Ralls County
Randolph County
Ray County
Reynolds County
Ripley County
St. Clair County
St. Genevieve County
St. Francois County
Saline County
Schuyler County
Scotland County
Scott County
Shannon County
Shelby County
Stoddard County
Stone County
Sullivan County
Taney County
Texas County
Vernon County
Warren County
Washington County
Wayne County
Webster County
Worth County
Wright County

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

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

3 Includes any Indian country in each county or area, unless otherwise specified.

4 Attainment date is extended to July 20, 2016.

Missouri - 2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification
Date 2 Type Date 2 Type
St. Louis, MO-IL Nonattainment Marginal.
Franklin County (part):
Boles Township.
St. Charles County.
St. Louis County.
City of St. Louis.
Adair County 1/16/18 Attainment/Unclassifiable
Andrew County 1/16/18 Attainment/Unclassifiable
Atchison County 1/16/18 Attainment/Unclassifiable
Audrain County 1/16/18 Attainment/Unclassifiable
Barry County 1/16/18 Attainment/Unclassifiable
Barton County 1/16/18 Attainment/Unclassifiable
Bates County 1/16/18 Attainment/Unclassifiable
Benton County 1/16/18 Attainment/Unclassifiable
Bollinger County 1/16/18 Attainment/Unclassifiable
Boone County 1/16/18 Attainment/Unclassifiable
Buchanan County 1/16/18 Attainment/Unclassifiable
Butler County 1/16/18 Attainment/Unclassifiable
Caldwell County 1/16/18 Attainment/Unclassifiable
Callaway County 1/16/18 Attainment/Unclassifiable
Camden County 1/16/18 Attainment/Unclassifiable
Cape Girardeau County 1/16/18 Attainment/Unclassifiable
Carroll County 1/16/18 Attainment/Unclassifiable
Carter County 1/16/18 Attainment/Unclassifiable
Cass County 1/16/18 Attainment/Unclassifiable
Cedar County 1/16/18 Attainment/Unclassifiable
Chariton County 1/16/18 Attainment/Unclassifiable
Christian County 1/16/18 Attainment/Unclassifiable
Clark County 1/16/18 Attainment/Unclassifiable
Clay County 1/16/18 Attainment/Unclassifiable
Clinton County 1/16/18 Attainment/Unclassifiable
Cole County 1/16/18 Attainment/Unclassifiable
Cooper County 1/16/18 Attainment/Unclassifiable
Crawford County 1/16/18 Attainment/Unclassifiable
Dade County 1/16/18 Attainment/Unclassifiable
Dallas County 1/16/18 Attainment/Unclassifiable
Daviess County 1/16/18 Attainment/Unclassifiable
DeKalb County 1/16/18 Attainment/Unclassifiable
Dent County 1/16/18 Attainment/Unclassifiable
Douglas County 1/16/18 Attainment/Unclassifiable
Dunklin County 1/16/18 Attainment/Unclassifiable
Franklin County (part) remainder Attainment/Unclassifiable
Gasconade County 1/16/18 Attainment/Unclassifiable
Gentry County 1/16/18 Attainment/Unclassifiable
Greene County 1/16/18 Attainment/Unclassifiable
Grundy County 1/16/18 Attainment/Unclassifiable
Harrison County 1/16/18 Attainment/Unclassifiable
Henry County 1/16/18 Attainment/Unclassifiable
Hickory County 1/16/18 Attainment/Unclassifiable
Holt County 1/16/18 Attainment/Unclassifiable
Howard County 1/16/18 Attainment/Unclassifiable
Howell County 1/16/18 Attainment/Unclassifiable
Iron County 1/16/18 Attainment/Unclassifiable
Jackson County 1/16/18 Attainment/Unclassifiable
Jasper County 1/16/18 Attainment/Unclassifiable
Jefferson County Attainment/Unclassifiable
Johnson County 1/16/18 Attainment/Unclassifiable
Knox County 1/16/18 Attainment/Unclassifiable
Laclede County 1/16/18 Attainment/Unclassifiable
Lafayette County 1/16/18 Attainment/Unclassifiable
Lawrence County 1/16/18 Attainment/Unclassifiable
Lewis County 1/16/18 Attainment/Unclassifiable
Lincoln County Attainment/Unclassifiable
Linn County 1/16/18 Attainment/Unclassifiable
Livingston County 1/16/18 Attainment/Unclassifiable
McDonald County 1/16/18 Attainment/Unclassifiable
Macon County 1/16/18 Attainment/Unclassifiable
Madison County 1/16/18 Attainment/Unclassifiable
Maries County 1/16/18 Attainment/Unclassifiable
Marion County 1/16/18 Attainment/Unclassifiable
Mercer County 1/16/18 Attainment/Unclassifiable
Miller County 1/16/18 Attainment/Unclassifiable
Mississippi County 1/16/18 Attainment/Unclassifiable
Moniteau County 1/16/18 Attainment/Unclassifiable
Monroe County 1/16/18 Attainment/Unclassifiable
Montgomery County 1/16/18 Attainment/Unclassifiable
Morgan County 1/16/18 Attainment/Unclassifiable
New Madrid County 1/16/18 Attainment/Unclassifiable
Newton County 1/16/18 Attainment/Unclassifiable
Nodaway County 1/16/18 Attainment/Unclassifiable
Oregon County 1/16/18 Attainment/Unclassifiable
Osage County 1/16/18 Attainment/Unclassifiable
Ozark County 1/16/18 Attainment/Unclassifiable
Pemiscot County 1/16/18 Attainment/Unclassifiable
Perry County 1/16/18 Attainment/Unclassifiable
Pettis County 1/16/18 Attainment/Unclassifiable
Phelps County 1/16/18 Attainment/Unclassifiable
Pike County 1/16/18 Attainment/Unclassifiable
Platte County 1/16/18 Attainment/Unclassifiable
Polk County 1/16/18 Attainment/Unclassifiable
Pulaski County 1/16/18 Attainment/Unclassifiable
Putnam County 1/16/18 Attainment/Unclassifiable
Ralls County 1/16/18 Attainment/Unclassifiable
Randolph County 1/16/18 Attainment/Unclassifiable
Ray County 1/16/18 Attainment/Unclassifiable
Reynolds County 1/16/18 Attainment/Unclassifiable
Ripley County 1/16/18 Attainment/Unclassifiable
St. Clair County 1/16/18 Attainment/Unclassifiable
St. Francois County Attainment/Unclassifiable
Ste. Genevieve County 1/16/18 Attainment/Unclassifiable
Saline County 1/16/18 Attainment/Unclassifiable
Schuyler County 1/16/18 Attainment/Unclassifiable
Scotland County 1/16/18 Attainment/Unclassifiable
Scott County 1/16/18 Attainment/Unclassifiable
Shannon County 1/16/18 Attainment/Unclassifiable
Shelby County 1/16/18 Attainment/Unclassifiable
Stoddard County 1/16/18 Attainment/Unclassifiable
Stone County 1/16/18 Attainment/Unclassifiable
Sullivan County 1/16/18 Attainment/Unclassifiable
Taney County 1/16/18 Attainment/Unclassifiable
Texas County 1/16/18 Attainment/Unclassifiable
Vernon County 1/16/18 Attainment/Unclassifiable
Warren County Attainment/Unclassifiable
Washington County 1/16/18 Attainment/Unclassifiable
Wayne County 1/16/18 Attainment/Unclassifiable
Webster County 1/16/18 Attainment/Unclassifiable
Worth County 1/16/18 Attainment/Unclassifiable
Wright County 1/16/18 Attainment/Unclassifiable

1 Includes 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.

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

Missouri - 1978 Lead NAAQS

Designated area Designation Classification
Date Type Date Type
Iron County (part)
Within boundaries of Dent Township 10/18/00 Attainment
Iron County (part)
Within boundaries of Liberty and Arcadia Townships 10/29/04 Attainment
Jefferson County (part)
Within city limits of Herculaneum 1/6/92 Nonattainment
Dent County 1/6/92 Unclassifiable
Holt County 1/6/92 Unclassifiable
Rest of State Not Designated.

Missouri - 2008 Lead NAAQS

Designated area Designation for the 2008 NAAQS a
Date 1 Type
Iron, Dent, and Reynolds Counties, MO:
Dent County (part) 12/31/10 Nonattainment.
Sections 4, 9, 16, 21, 28, 33 of T34N, R2W
Iron County (part) 12/31/10 Nonattainment.
Sections 6-7, 18-19, 30-32 of T34N, R1W and Sections 1-3, 10-15, 22-27, 34-36 of T34N, R2W.
Reynolds County (part) 12/31/10 Nonattainment.
Sections 5-7 of T33N, R1W and Sections 1-3, 10-12 of T33N, R2W.
Jefferson County, MO:
Jefferson County (part) 12/31/10 Nonattainment.
Within city limits of Herculaneum.
Rest of State Unclassifiable/Attainment.

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

1 December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978] Editorial Note:For Federal Register citations affecting § 81.326, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.