40 CFR 81.338: Oregon.

Oregon—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

Central Oregon Intrastate AQCR 190 X

Eastern Oregon Intrastate AQCR 191 X

Northwest Oregon Intrastate AQCR 192 X

Portland Interstate AQCR 193 (Oregon Portion) X

Southwest Oregon Intrastate AQCR 194 X

Oregon—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation

Date 2 Type

Entire State 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.

Oregon—Carbon Monoxide

Designated Area Designation Classification

Date 1 Type Date 1 Type

Eugene-Springfield Area

Lane County (part) 1/5/1994 Attainment 1/5/1994

The Eugene-Springfield Area is described as: The area within the bounds beginning at the Northwest corner of T17S, R4W; extending South to the Southwest corner of Section 6, T17S, R4W; thence East to the Northwest corner of Section 8, T17S, R4W; thence South to the Southwest corner of Section 32, T17S, R4W; thence East to the Northeast corner of Section 4, T18S, R4W; thence South to the Southwest corner of Section 3, T18S, R4W; thence East to the Northwest corner Section 12, T18S, R4W; thence South to the Southwest corner of Section 13, T18S, R4W; thence East to the Northeast corner of Section 24, T18S, R4W; thence South to the Southeast corner of Section 24, T18S, R4W; thence East to the Northeast corner of Section 21, T18S, R3W; thence North to the Northeast corner of Section 21, T18S, R3W; thence East to the Northeast corner of Section 22, T18S, R3W; thence South to the Southwest corner of Section 23, T18S, R3W; thence East to the Southeast corner of Section 24, T18S, R3W; thence North to the Southeast corner of Section 1, T18S, R3W; thence East to the Southeast corner of Section 2, T18S, R2W; thence North to the Northeast corner of Section 26, T17S, R2W; thence West to the Southwest corner of Section 20, T17S, R2W; thence North to the Northwest corner of Section 20, T17S, R2W; thence West to the Southwest corner of Section 13, T17S, R3W; thence North to the Northwest corner of Section 13, T17S, R3W; thence West to the Southwest corner of Section 11, T17S, R3W; thence North to the Northwest corner of Section 11, T17S, R3W; thence West to the Southwest corner of Section 6, T17S, R3W; thence North to the Northwest corner of Section 31, T16S, R3W; thence West to the Northwest corner of Section 34, T16S, R4W; thence South to the Southwest corner of Section 34, T16S, R4W; thence West to the point of beginning

Grants Pass Area:

Josephine County (part) Central Business District 10/30/2000 Attainment

Klamath Falls Area

Klamath County (part) 11/9/2001 Attainment

Urban Growth Boundary

Medford Area

Jackson County (part) 9/23/2002 Attainment

Medford Urban Growth Boundary

Portland Area

Portland Metro Service District Boundary

Clackamas County (part) Attainment

Multnomah County (part) Attainment

Washington County (part) Attainment

Salem Area:

Salem Area Transportation Study

Marion County (part) 3/2/2009

Polk County (part) 3/2/2009

AQCR 190 Remainder of Central Oregon Intrastate Unclassifiable/Attainment

Crook County

Deschutes County

Hood River County

Jefferson County

Klamath County (part)

area outside Urban Growth Boundary

Lake County

Sherman County

Wasco County

AQCR 191 Eastern Oregon Intrastate Unclassifiable/Attainment

Baker County

Gilliam County

Grant County

Harney County

Malheur County

Morrow County

Umatilla County

Union County

Wallowa County

Wheeler County

AQCR 192 Northwest Oregon Intrastate Unclassifiable/Attainment

Clatsop County

Lincoln County

Tillamook County

AQCR 193 Remainder of Portland Interstate Unclassifiable/Attainment

Benton County

Clackamas County (part)

area outside Portland Metro Service District Boundary

Columbia County

Lane County (part)

area outside of Air Quality Maintenance area

Linn County

Marion County (part)

area outside the city of Salem

Multnomah County (part)

area outside Portand Metro Service District Boundary

Polk County (part)

area outside of Salem

Washington County (part)

area outside Portland Metro Service District Boundary

Yamhill County

AQCR 194 Remainder of Southwest Oregon Unclassifiable/Attainment

Coos County

Curry County

Douglas County

Jackson County (part)

area outside Medford Urban growth boundary

Josephine County (part)

area outside of Central Business District

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

Oregon—Ozone (1-Hour Standard)3

Designated area Designation Classification

Date 1 Type Date 1 Type

Portland-Vancouver AQMA Area: Attainment

Air Quality Maintenance Area

Clackamas County (part)

Multnomah County (part)

Washington County (part)

Salem Area:

Salem Area Transportation Study

Marion County (part) (2) Nonattainment (2) Incomplete Data.

Polk County (2) Nonattainment (2) Incomplete Data.

AQCR 190 Central Oregon Intrastate (Remainder of) Unclassifiable/Attainment

Crook County

Deschutes County

Hood River County

Jefferson County

Klamath County

Lake County

Sherman County

Wasco County

AQCR 191 Eastern Oregon Intrastate Unclassifiable/Attainment

Baker County

Gilliam County

Grant County

Harney County

Malheur County

Morrow County

Umatilla County

Union County

Wallowa County

Wheeler County

AQCR 192 Northwest Oregon Intrastate Unclassifiable/Attainment

Clatsop County

Lincoln County

Tillamook County

AQCR 193 Portland Interstate (part) Unclassifiable/Attainment

Lane County (part) Eugene Springfield Air Quality Maintenance Area

AQCR 193 Portland Interstate (Remainder of) Unclassifiable/Attainment

Benton County

Clackamas County (part) Remainder of county

Columbia County

Lane County (part) Remainder of county

Linn County

Marion County (part) area outside the Salem Area Transportation Study

Multnomah County (part) Remainder of county

Polk County (part) area outside the Salem Area Transportation Study

Washington County (part) Remainder of county

Yamhill County

AQCR 194 Southwest Oregon Intrastate (part)

Jackson County (part)

Medford-Ashland Air Quality Maintenance Area Unclassifiable/Attainment

AQCR 194 Southwest Oregon Intrastate (Remainder of) Unclassifiable/Attainment

Coos County

Curry County

Douglas County

Jackson County (part) Remainder of county

Josephine County

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

2 This date is January 16, 2001.

3 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Oregon. Portland-Vancouver AQMA is a maintenance area for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Oregon—PM-10

Designated Area Designation Classification

Date Type Date Type

Central Oregon Intrastate AQCR 190:

Lakeview (the Urban Growth Boundary area) 7/19/2006 Attainment

Klamath Falls (the Urban Growth Boundary area) 12/22/2003 Attainment

Remainder of AQCR 190 11/15/1990 Unclassifiable

Eastern Oregon Intrastate AQCR 191:

La Grande (the Urban Growth Boundary area) 7/19/2006 Attainment

Remainder of AQCR 191 11/15/1990 Unclassifiable

Northwest Oregon Intrastate AQCR 192 11/15/1990 Unclassifiable

Portland Interstate AQCR 193 (Oregon Portion):

Portland-Vancouver (portion of the Air Quality Maintenance Area) 11/15/1990 Unclassifiable

Eugene/Springfield (the Urban Growth Boundary area) 6/10/2013 Attainment

Oakridge (the Urban Growth Boundary area) 8/22/2022 Attainment

Remainder of AQCR 193 (Oregon Portion) 11/15/1990 Unclassifiable

Southwest Oregon Intrastate AQCR 194:

Medford Air Quality Maintenance Area (including White City) 8/18/2006 Attainment

Grants Pass (the Urban Growth Boundary area) 12/26/2003 Attainment

Remainder of AQCR 194 11/15/1990 Unclassifiable

Oregon—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Portland-Vancouver AQMA: (Air Quality Maintenance Area):

Clackamas County (part) Unclassifiable/Attainment.

Multnomah County (part) Unclassifiable/Attainment.

Washington County (part) Unclassifiable/Attainment.

Salem Area: (Salem Area Transportation Study):

Marion County (part) Unclassifiable/Attainment.

Polk County Unclassifiable/Attainment.

AQCR 190 Central Oregon Intrastate (remainder of):

Crook County Unclassifiable/Attainment.

Deschutes County Unclassifiable/Attainment.

Hood River County Unclassifiable/Attainment.

Jefferson County Unclassifiable/Attainment.

Klamath County Unclassifiable/Attainment.

Lake County Unclassifiable/Attainment.

Sherman County Unclassifiable/Attainment.

Wasco County Unclassifiable/Attainment.

AQCR 191 Eastern Oregon Intrastate:

Baker County Unclassifiable/Attainment.

Gilliam County Unclassifiable/Attainment.

Grant County Unclassifiable/Attainment.

Harney County Unclassifiable/Attainment.

Malheur County Unclassifiable/Attainment.

Morrow County Unclassifiable/Attainment.

Umatilla County Unclassifiable/Attainment.

Union County Unclassifiable/Attainment.

Wallowa County Unclassifiable/Attainment.

Wheeler County Unclassifiable/Attainment.

AQCR 192 Northwest Oregon Intrastate:

Clatsop County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Tillamook County Unclassifiable/Attainment.

AQCR 193 Portland Interstate (part):

Lane County (part) Unclassifiable/Attainment.

Eugene Springfield Air Quality Maintenance Area

AQCR 193 Portland Interstate (remainder of):

Benton County Unclassifiable/Attainment.

Clackamas County (remainder) Unclassifiable/Attainment.

Columbia County Unclassifiable/Attainment.

Lane County (remainder) Unclassifiable/Attainment.

Linn County Unclassifiable/Attainment.

Marion County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study

Multnomah County (remainder) Unclassifiable/Attainment.

Polk County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study

Washington County (remainder) Unclassifiable/Attainment.

Yamhill County Unclassifiable/Attainment.

AQCR 194 Southwest Oregon Intrastate (part):

Jackson County (part) Unclassifiable/Attainment.

Medford-Ashland Air Quality Maintenance Area

AQCR 194 Southwest Oregon Intrastate (remainder of):

Coos County Unclassifiable/Attainment.

Curry County Unclassifiable/Attainment.

Douglas County Unclassifiable/Attainment.

Jackson County (remainder) Unclassifiable/Attainment.

Josephine 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.

Oregon—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

AQCR 190 Central Oregon Intrastate

Crook County Unclassifiable/Attainment

Deschutes County Unclassifiable/Attainment

Hood River County Unclassifiable/Attainment

Jefferson County Unclassifiable/Attainment

Klamath County Unclassifiable/Attainment

Lake County Unclassifiable/Attainment

Sherman County Unclassifiable/Attainment

Wasco County Unclassifiable/Attainment

AQCR 191 Eastern Oregon Intrastate

Baker County Unclassifiable/Attainment

Gilliam County Unclassifiable/Attainment

Grant County Unclassifiable/Attainment

Harney County Unclassifiable/Attainment

Malheur County Unclassifiable/Attainment

Morrow County Unclassifiable/Attainment

Umatilla County Unclassifiable/Attainment

Union County Unclassifiable/Attainment

Wallowa County Unclassifiable/Attainment

Wheeler County Unclassifiable/Attainment

AQCR 192 Northwest Oregon Intrastate

Clatsop County Unclassifiable/Attainment

Lincoln County Unclassifiable/Attainment

Tillamook County Unclassifiable/Attainment

AQCR 193 Portland Interstate (Oregon Portion)

Benton County Unclassifiable/Attainment

Clackamas County Unclassifiable/Attainment

Columbia County Unclassifiable/Attainment

Lane County Unclassifiable/Attainment

Linn County Unclassifiable/Attainment

Marion County Unclassifiable/Attainment

Multnomah County Unclassifiable/Attainment

Polk County Unclassifiable/Attainment

Washington County Unclassifiable/Attainment

Yamhill County Unclassifiable/Attainment

AQCR 194 Southwest Oregon Intrastate

Coos County Unclassifiable/Attainment

Curry County Unclassifiable/Attainment

Douglas County Unclassifiable/Attainment

Jackson County Unclassifiable/Attainment

Josephine 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.

Oregon—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Klamath Falls, OR:

Klamath County (part) Unclassifiable/Attainment.

Townships and ranges defined by T37S R9E Sections 31-32. T38S R8E Sections 1-5, 8-16, 22-26, 35-36. T38S R9E Sections 5-8, 14-15, 17-36. T39S R8E Sections 1-2, 11-13, 24. T39S R9E Sections 1-27. T39S R10E Sections 3-10, 15-20, 29-30.

Oakridge, OR:

Lane County (part) Unclassifiable/Attainment.

Boundary is defined as a line from Township 21 South, Range 2 East, Section 11 (northwest corner) east to Township 21 South, Range 3 East, Section 11 (northeast corner), south to Township 21 South, Range 3 East, Section 23 (southeast corner), west to Township 21 South, Range 2 East, Section 23 (southwest corner) connecting back to Township 21 South, Range 2 East, Section 11 (northwest corner).

Rest of State:

Portland-Vancouver AQMA: (Air Quality Maintenance Area)

Clackamas County (part) Unclassifiable/Attainment.

Multnomah County (part) Unclassifiable/Attainment.

Washington County (part) Unclassifiable/Attainment.

Salem Area: (Salem Area Transportation Study):

Marion County (part) Unclassifiable/Attainment.

Polk County Unclassifiable/Attainment.

AQCR 190 Central Oregon Intrastate:

Crook County Unclassifiable/Attainment.

Deschutes County Unclassifiable/Attainment.

Hood River County Unclassifiable/Attainment.

Jefferson County Unclassifiable/Attainment.

Klamath County (remainder) Unclassifiable/Attainment.

Lake County Unclassifiable/Attainment.

Sherman County Unclassifiable/Attainment.

Wasco County Unclassifiable/Attainment.

AQCR 191 Eastern Oregon Intrastate:

Baker County Unclassifiable/Attainment.

Gilliam County Unclassifiable/Attainment.

Grant County Unclassifiable/Attainment.

Harney County Unclassifiable/Attainment.

Malheur County Unclassifiable/Attainment.

Morrow County Unclassifiable/Attainment.

Umatilla County Unclassifiable/Attainment.

Union County Unclassifiable/Attainment.

Wallowa County Unclassifiable/Attainment.

Wheeler County Unclassifiable/Attainment.

AQCR 192 Northwest Oregon Intrastate:

Clatsop County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Tillamook County Unclassifiable/Attainment.

AQCR 193 Portland Interstate (part):

Lane County (part) Unclassifiable/Attainment.

Eugene Springfield Air Quality Maintenance AQCR 193 Portland Interstate:

Benton County Unclassifiable/Attainment.

Clackamas County (remainder) Unclassifiable/Attainment.

Columbia County Unclassifiable/Attainment.

Lane County (remainder) Unclassifiable/Attainment.

Linn County Unclassifiable/Attainment.

Marion County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study:

Multnomah County (remainder) Unclassifiable/Attainment.

Polk County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study:

Washington County (remainder) Unclassifiable/Attainment.

Yamhill County Unclassifiable/Attainment.

AQCR 194 Southwest Oregon Intrastate (part):

Jackson County (part) Unclassifiable/Attainment.

Medford-Ashland Air Quality Maintenance Area AQCR 194 Southwest Oregon Intrastate: (remainder of):

Coos County Unclassifiable/Attainment.

Curry County Unclassifiable/Attainment.

Douglas County Unclassifiable/Attainment.

Jackson County (remainder) Unclassifiable/Attainment.

Josephine 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.

Oregon—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date 2 Type

Klamath Falls, OR:

Klamath County (part) Nonattainment Moderate.

Townships and ranges defined by T37S R9E Sections 31-32. T38S R8E Sections 1-5, 8-16, 22-26, 35-36. T38S R9E Sections 5-8, 14-15, 17-36. T39S R8E Sections 1-2, 11-13, 24. T39S R9E Sections 1-27. T39S R10E Sections 3-10, 15-20, 29-30.

Oakridge, OR:

Lane County (part) 8/22/2022 Attainment

Boundary is defined as a line from Township 21 South, Range 2 East, Section 11 (northwest corner) east to Township 21 South, Range 3 East, Section 11 (northeast corner), south to Township 21 South, Range 3 East, Section 23 (southeast corner), west to Township 21 South, Range 2 East, Section 23 (southwest corner) connecting back to Township 21 South, Range 2 East, Section 11 (northwest corner).

Rest of State:

Portland-Vancouver AQMA: (Air Quality Maintenance Area)

Clackamas County (part) Unclassifiable/Attainment.

Multnomah County (part) Unclassifiable/Attainment.

Washington County (part) Unclassifiable/Attainment.

Salem Area: (Salem Area Transportation Study):

Marion County (part) Unclassifiable/Attainment.

Polk County Unclassifiable/Attainment.

AQCR 190 Central Oregon Intrastate:

Crook County Unclassifiable/Attainment.

Deschutes County Unclassifiable/Attainment.

Hood River County Unclassifiable/Attainment.

Jefferson County Unclassifiable/Attainment.

Klamath County (remainder) Unclassifiable/Attainment.

Lake County Unclassifiable/Attainment.

Sherman County Unclassifiable/Attainment.

Wasco County Unclassifiable/Attainment.

AQCR 191 Eastern Oregon Intrastate:

Baker County Unclassifiable/Attainment.

Gilliam County Unclassifiable/Attainment.

Grant County Unclassifiable/Attainment.

Harney County Unclassifiable/Attainment.

Malheur County Unclassifiable/Attainment.

Morrow County Unclassifiable/Attainment.

Umatilla County Unclassifiable/Attainment.

Union County Unclassifiable/Attainment.

Wallowa County Unclassifiable/Attainment.

Wheeler County Unclassifiable/Attainment.

AQCR 192 Northwest Oregon Intrastate:

Clatsop County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Tillamook County Unclassifiable/Attainment.

AQCR 193 Portland Interstate (part):

Lane County (part) Unclassifiable/Attainment.

Eugene Springfield Air Quality Maintenance AQCR 193 Portland Interstate:

Benton County Unclassifiable/Attainment.

Clackamas County (remainder) Unclassifiable/Attainment.

Columbia County Unclassifiable/Attainment.

Lane County (remainder) Unclassifiable/Attainment.

Linn County Unclassifiable/Attainment.

Marion County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study:

Multnomah County (remainder) Unclassifiable/Attainment.

Polk County (part) Unclassifiable/Attainment.

The area outside the Salem Area Transportation Study:

Washington County (remainder) Unclassifiable/Attainment.

Yamhill County Unclassifiable/Attainment.

AQCR 194 Southwest Oregon Intrastate (part):

Jackson County (part) Unclassifiable/Attainment.

Medford-Ashland Air Quality Maintenance Area AQCR 194 Southwest Oregon Intrastate: (remainder of):

Coos County Unclassifiable/Attainment.

Curry County Unclassifiable/Attainment.

Douglas County Unclassifiable/Attainment.

Jackson County (remainder) Unclassifiable/Attainment.

Josephine County Unclassifiable/Attainment.

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

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

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

Oregon—NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards

Central Oregon Intrastate AQCR 190 X

Eastern Oregon Intrastate AQCR 191 X

Northwest Oregon Intrastate AQCR 192 X

Portland Interstate AQCR 193 (Oregon Portion) X

Southwest Oregon Intrastate AQCR 194 X

Oregon—NO2

[2010 1-Hour standard]

Designated area Designation a

Date 1 Type

Statewide 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.

Oregon—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation area a Category/classification

Date 1 Type Date 1 Type

Portland-Vancouver AQMA: (Air Quality Maintenance Area) Unclassifiable/Attainment

Clackamas County (part)

Multnomah County (part)

Washington County (part)

Salem Area: (Salem Area Transportation Study)

Marion County (part) Unclassifiable/Attainment

Polk County Unclassifiable/Attainment

AQCR 190 Central Oregon Intrastate (remainder of) Unclassifiable/Attainment

Crook County

Deschutes County

Hood River County

Jefferson County

Klamath County

Lake County

Sherman County

Wasco County

AQCR 191 Eastern Oregon Intrastate Unclassifiable/Attainment

Baker County

Gilliam County

Grant County

Harney County

Malheur County

Morrow County

Umatilla County

Union County

Wallowa County

Wheeler County

AQCR 192 Northwest Oregon Intrastate Unclassifiable/Attainment

Clatsop County

Lincoln County

Tillamook County

AQCR 193 Portland Interstate (part) Unclassifiable/Attainment

Lane County (part) Eugene Springfield Air Quality Maintenance Area

AQCR 193 Portland Interstate (remainder of) Unclassifiable/Attainment

Benton County

Clackamas County (part) remainder

Columbia County

Lane County (part) remainder

Linn County

Marion County (part) The area outside the Salem Area Transportation Study

Multnomah County (part) remainder

Polk County (part) The area outside the Salem Area Transportation Study

Washington County (part) remainder

Yamhill County

AQCR 194 Southwest Oregon Intrastate (part)

Jackson County (part) Medford-Ashland Air Quality Maintenance Area Unclassifiable/Attainment

AQCR 194 Southwest Oregon Intrastate (remainder of) Unclassifiable/Attainment

Coos County

Curry County

Douglas County

Jackson County (part) remainder

Josephine 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.

Oregon—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification

Date 1 Type Date 1 Type

Statewide and Any Areas of Indian Country Unclassifiable/Attainment

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

Oregon—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

Baker County 1/16/2018 Attainment/Unclassifiable

Benton County Attainment/Unclassifiable

Clackamas County Attainment/Unclassifiable

Clatsop County 1/16/2018 Attainment/Unclassifiable

Columbia County Attainment/Unclassifiable

Coos County 1/16/2018 Attainment/Unclassifiable

Crook County 1/16/2018 Attainment/Unclassifiable

Curry County 1/16/2018 Attainment/Unclassifiable

Deschutes County 1/16/2018 Attainment/Unclassifiable

Douglas County 1/16/2018 Attainment/Unclassifiable

Gilliam County 1/16/2018 Attainment/Unclassifiable

Grant County 1/16/2018 Attainment/Unclassifiable

Harney County 1/16/2018 Attainment/Unclassifiable

Hood River County 1/16/2018 Attainment/Unclassifiable

Jackson County 1/16/2018 Attainment/Unclassifiable

Jefferson County 1/16/2018 Attainment/Unclassifiable

Josephine County 1/16/2018 Attainment/Unclassifiable

Klamath County 1/16/2018 Attainment/Unclassifiable

Lake County 1/16/2018 Attainment/Unclassifiable

Lane County 1/16/2018 Attainment/Unclassifiable

Lincoln County 1/16/2018 Attainment/Unclassifiable

Linn County Attainment/Unclassifiable

Malheur County 1/16/2018 Attainment/Unclassifiable

Marion County Attainment/Unclassifiable

Morrow County 1/16/2018 Attainment/Unclassifiable

Multnomah County Attainment/Unclassifiable

Polk County Attainment/Unclassifiable

Sherman County 1/16/2018 Attainment/Unclassifiable

Tillamook County 1/16/2018 Attainment/Unclassifiable

Umatilla County 1/16/2018 Attainment/Unclassifiable

Union County 1/16/2018 Attainment/Unclassifiable

Wallowa County 1/16/2018 Attainment/Unclassifiable

Wasco County 1/16/2018 Attainment/Unclassifiable

Washington County Attainment/Unclassifiable

Wheeler County 1/16/2018 Attainment/Unclassifiable

Yamhill 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 August 3, 2018, unless otherwise noted.

Oregon—2008 Lead NAAQS

Designated area Designation for the 2008 NAAQSa

Date 1 Type

Whole State Unclassifiable/Attainment.

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

1 December 31, 2011 unless otherwise noted.