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8-Hour Ozone (1997) Nonattainment Areas

As of December 05, 2013
Detailed Description of Certain Area Boundaries for Partial Counties

ARIZONA


Phoenix-Mesa, AZ
Maricopa Co

T1N, R1E (except that portion in Indian Country);T1N, R2E;T1N, R3E;T1N, R4E;T1N, R5E;T1N, R6E ;T1N, R7E ;T1N, R1W ;T1N, R2W ;T1N, R3W ;T1N, R4W ;T1N, R5W ;T1N, R6W ;T2N, R1E ;T2N, R2E ;T2N, R3E ;T2N, R4E ;T2N, R5E,T2N, R6E;T2N, R7E;T2N, R8E ;T2N, R9E ;T2N, R10E ;T2N, R11E;T2N, R12E (except that portion in Gila County) ;T2N, R13E (except that portion in Gila County) ;T2N, R1W ;T2N, R2W ;T2N, R3W;T2N, R4W ;T2N, R5W ;T2N, R6W ;T2N, R7W ;T3N, R1E ;T3N, R2E ;T3N, R3E ;T3N, R4E ;T3N, R5E;T3N, R6E;T3N, R7E;T3N, R8E T3N, R9E ;T3N, R10E (except that portion in Gila County) ;T3N, R11E (except that portion in Gila County) ;T3N, R12E (except that portion in Gila County) ;T3N, R1W ;T3N, R2W T3N, R3W T3N, R4W ;T3N, R5W ;T3N, R6W ;T4N, R1E ;T4N, R2E ;T4N, R3E;T4N, R4E;T4N, R5E;T4N, R6E; T4N, R7E; T4N, R8E; T4N, R9E; T4N, R10E (except that portion in Gila County);T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County);T6N, R2W; T6N, R3W; T6N, R4W T6N, R5W T7N, R1E (except that portion in Yavapai County); T7N, R2E; (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E;T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W

Pinal Co

Apache Junction: T1N, R8E T1S, R8E (Sections 1 through 12)


CALIFORNIA


Kern Co (Eastern Kern), CA
Kern Co

That portion of Kern County (with the exception of that portion in Hydrologic Unit Number 18090205 the Indian Wells Valley) east and south of a line described as follows:

Beginning at the Kern Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Liebre Land Grant to the point of intersection with the range line common to Range 16 West and Range 17 West, San Bernardino Base and Meridian;

north along the range line to the point of intersection with the Rancho El Tejon Land Grant boundary;

then southeast, northeast, and northwest along the boundary of the Rancho El Tejon Grant to the northwest corner of Section 3, Township 11 North, Range 17 West;

then west 1.2 miles;

then north to the Rancho El Tejon Land Grant boundary;

then northwest along the Rancho El Tejon line to the southeast corner of Section 34, Township 32 South, Range 30 East, Mount Diablo Base and Meridian;

then north to the northwest corner of Section 35, Township 31 South, Range 30 East;

then northeast along the boundary of the Rancho El Tejon Land Grant to the southwest corner of Section 18, Township 31 South, Range 31 East;

then east to the southeast corner of Section 13, Township 31 South, Range 31 East;

then north along the range line common to Range 31 East and Range 32 East, Mount Diablo Base and Meridian, to the northwest corner of Section 6, Township 29 South, Range 32 East;

then east to the southwest corner of Section 31, Township 28 South, Range 32 East;

then north along the range line common to Range 31 East and Range 32 East to the northwest corner of Section 6, Township 28 South, Range 32 East,

then west to the southeast corner of Section 36, Township 27 South, Range 31 East,

then north along the range line common to Range 31 East and Range 32 East to the Kern Tulare County boundary.


Los Angeles-San Bernardino Cos. (W Mojave Desert), CA
Los Angeles Co

That portion of Los Angeles County which lies north and east of a line described as follows:

Beginning at the Los Angeles San Bernardino County boundary and running west along the Township line common to Township 3 North and Township 2 North, San Bernardino Base and Meridian;

then north along the range line common to Range 8 West and Range 9 West;

then west along the Township line common to Township 4 North and Township 3 North;

then north along the range line common to Range 12 West and Range 13 West to the southeast corner of Section 12, Township 5 North and Range 13 West;

then west along the south boundaries of Sections 12, 11, 10, 9, 8, and 7, Township 5 North and Range 13 West to the boundary of the Angeles National Forest which is collinear with the range line common to Range 13 West and Range 14 West;

then north and west along the Angeles National Forest boundary to the point of intersection with the Township line common to Township 7 North and Township 6 North (point is at the northwest corner of Section 4 in Township 6 North and Range 14 West);

then west along the Township line common to Township 7 North and Township 6 North;

then north along the range line common to Range 15 West and Range 16 West to the southeast corner of Section 13, Township 7 North and Range 16 West;

then along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 7 North and Range 16 West;

then north along the range line common to Range 16 West and Range 17 West to the north boundary of the Angeles National Forest (collinear with the Township line common to Township 8 North and Township 7 North);

then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant;

then west and north along this land grant boundary to the Los Angeles Kern County boundary.

San Bernardino Co

That portion of San Bernardino County which lies north and east of a line described as follows:

Beginning at the San Bernardino Riverside County boundary and running north along the range line common to Range 3 East and Range 2 East, San Bernardino Base and Meridian;

then west along the Township line common to Township 3 North and Township 2 North to the San Bernardino Los Angeles County boundary; And that portion of San Bernardino County which lies south and west of a line described as follows: latitude 35 degrees, 10 minutes north and longitude 115 degrees, 45 minutes west.


Los Angeles-South Coast Air Basin, CA
Los Angeles Co

That portion of Los Angeles County which lies south and west of a line described as follows:

Beginning at the Los Angeles San Bernardino County boundary and running west along the Township line common to Township 3 North and Township 2 North, San Bernardino Base and Meridian;

then north along the range line common to Range 8 West and Range 9 West;

then west along the Township line common to Township 4 North and Township 3 North;

then north along the range line common to Range 12 West and Range 13 West to the southeast corner of Section 12, Township 5 North and Range 13 West;

then west along the south boundaries of Sections 12, 11, 10, 9, 8, and 7, Township 5 North and Range 13 West to the boundary of the Angeles National Forest which is collinear with the range line common to Range 13 West and Range 14 West;

then north and west along the Angeles National Forest boundary to the point of intersection with the Township line common to Township 7 North and Township 6 North (point is at the northwest corner of Section 4 in Township 6 North and Range 14 West);

then west along the Township line common to Township 7 North and Township 6 North;

then north along the range line common to Range 15 West and Range 16 West to the southeast corner of Section 13, Township 7 North and Range 16 West;

then along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 7 North and Range 16 West;

then north along the range line common to Range 16 West and Range 17 West to the north boundary of the Angeles National Forest (collinear with the Township line common to Township 8 North and Township 7 North);

then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant;

then west and north along this land grant boundary to the Los Angeles Kern County boundary.

Riverside Co

That portion of Riverside County which lies to the west of a line described as follows: Beginning at the Riverside San Diego County boundary and running north along the range line common to Range 4 East and Range 3 East, San Bernardino Base and Meridian;

then east along the Township line common to Township 8 South and Township 7 South;

then north along the range line common to Range 5 East and Range 4 East;

then west along the Township line common to Township 6 South and Township 7 South to the southwest corner of Section 34, Township 6 South, Range 4 East;

then north along the west boundaries of Sections 34, 27, 22, 15, 10, and 3, Township 6 South, Range 4 East;

then west along the Township line common to Township 5 South and Township 6 South;

then north along the range line common to Range 4 East and Range 3 East;

then west along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 5 South, Range 3 East;

then north along the range line common to Range 2 East and Range 3 East;

to the Riverside San Bernardino County line.

Excludes Morongo Band of Mission Indians’ Indian country in Riverside County. .

San Bernardino Co

That portion of San Bernardino County which lies south and west of a line described as follows: Beginning at the San Bernardino Riverside County boundary and running north along the range line common to Range 3 East and Range 2 East, San Bernardino Base and Meridian;

then west along the Township line common to Township 3 North and Township 2 North to the San Bernardino Los Angeles County boundary.


Nevada Co. (Western part), CA
Nevada Co

That portion of Nevada County, which lies west of a line, described as follows: beginning at the Nevada Placer County boundary and running north along the western boundaries of Sections 24, 13, 12, 1, Township 17 North, Range 14 East, Mount Diablo Base and Meridian, and Sections 36, 25, 24, 13, 12, Township 18 North, Range 14 East to the Nevada Sierra County boundary.


Riverside Co. (Coachella Valley), CA
Riverside Co

That portion of Riverside County which lies to the east of a line described as follows:

Beginning at the Riverside San Diego County boundary and running north along the range line common to Range 4 East and Range 3 East, San Bernardino Base and Meridian;

then east along the Township line common to Township 8 South and Township 7 South;

then north along the range line common to Range 5 East and Range 4 East;

then west along the Township line common to Township 6 South and Township 7 South to the southwest corner of Section 34, Township 6 South, Range 4 East;

then north along the west boundaries of Sections 34, 27, 22, 15, 10, and 3, Township 6 South, Range 4 East;

then west along the Township line common to Township 5 South and Township 6 South;

then north along the range line common to Range 4 East and Range 3 East;

then west along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 5 South, Range 3 East;

then north along the range line common to Range 2 East and Range 3 East;

to the Riverside San Bernardino County line. And that portion of Riverside County which lies to the west of a line described as follows:

That segment of the southwestern boundary line of Hydrologic Unit Number 18100100 within Riverside County, further described as follows:

Beginning at the Riverside Imperial County boundary and running north along the range line common to Range 17 East and Range 16 East, San Bernardino Base and Meridian;

then northwest along the ridge line of the Chuckwalla Mountains, through Township 8 South, Range 16 East and Township 7 South, Range 16 East, until the Black Butte Mountain, elevation 4504';

then west and northwest along the ridge line to the southwest corner of Township 5 South, Range 14 East;

then north along the range line common to Range 14 East and Range 13 East;

then west and northwest along the ridge line to Monument Mountain, elevation 4834';

then southwest and then northwest along the ridge line of the Little San Bernardino Mountains to Quail Mountain, elev. 5814';

then northwest along the ridge line to the Riverside San Bernardino County line.


Sacramento Metro, CA
El Dorado Co

All portions of the county except that portion of El Dorado County within the drainage area naturally tributary to Lake Tahoe including said Lake.

Placer Co

All portions of the county except that portion of Placer County within the drainage area naturally tributary to Lake Tahoe including said Lake, plus that area in the vicinity of the head of the Truckee River described as follows: commencing at the point common to the aforementioned drainage area crestline and the line common to Townships 15 North and 16 North, Mount Diablo Base and Meridian, and following that line in a westerly direction to the northwest corner of Section 3, Township 15 North, Range 16 East, Mount Diablo Base and Meridian, thence south along the west line of Sections 3 and 10, Township 15 North, Range 16 East, Mount Diablo Base and Meridian, to the intersection with the said drainage area crestline, thence following the said drainage area boundary in a southeasterly, then northeasterly direction to and along the Lake Tahoe Dam, thence following the said drainage area crestline in a northeasterly, then northwesterly direction to the point of beginning.

Solano Co

That portion of Solano County which lies north and east of a line described as follows:

beginning at the intersection of the westerly boundary of Solano County and the 1/4 section line running east and west through the center of Section 34;

Township 6 North, Range 2 West, Mount Diablo Base and Meridian,

thence east along said 1/4 section line to the east boundary of Section 36, Township 6 North, Range 2 West,

thence south 1/2 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of Section 4, Township 5 North, Range 1 West,

thence east along a line common to Township 5 North and Township 6 North to the northeast corner of Section 3, Township 5 North, Range 1 East,

thence south along section lines to the southeast corner of Section 10, Township 3 North, Range 1 East,

thence east along section lines to the south 1/4 corner of Section 8, Township 3 North, Range 2 East, thence east to the boundary between Solano and Sacramento Counties.

Sutter Co

South of a line connecting the northern border of Yolo Co. to the SW tip of Yuba Co. and continuing along the southern Yuba Co. border to Placer Co.


San Francisco Bay Area, CA
Solano Co

Portion of Solano County which lies south and west of a line described as follows: Beginning at the intersection of the westerly boundary of Solano County and the 1/4 section line running east and west through the center of Section 34, T6N, R2W, M.D.B. & M., thence east along said 1/4 section line to the east boundary of Section 36, T6N, R2W, thence south 1/2 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of Section 4, T5N, R1W, thence east along a line common to T5N and T6N to the northeast corner of Section 3, T5N, R1E, thence south along section lines to the southeast corner of Section 10, T3N, R1E, thence east along section lines to the south 1/4 corner of Section 8, T3N, R2E, thence east to the boundary between Solano and Sacramento Counties.

Sonoma Co

That portion of Sonoma County which lies south and east of a line described as follows:

Beginning at the southeasterly corner of the Rancho Estero Americano, being on the boundary line between Marin and Sonoma Counties, California;

thence running northerly along the easterly boundary line of said Rancho Estero Americano to the northeasterly corner thereof, being an angle corner in the westerly boundary line of Rancho Canada de Jonive;

thence running along said boundary of Rancho Canada de Jonive westerly, northerly and easterly to its intersection with the easterly line of Graton Road;

thence running along the easterly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road;

thence running northerly along said easterly line of Sullivan Road to the southerly line of Green Valley Road;

thence running easterly along the said southerly line of Green Valley Road and easterly along the southerly line of State Highway 116, to the westerly line of Vine Hill Road;

thence running along the westerly and northerly line of Vine Hill Road, northerly and easterly to its intersection with the westerly line of Laguna Road;

thence running northerly along the westerly line of Laguna Road and the northerly projection thereof to the northerly line of Trenton Road;

thence running westerly along the northerly line of said Trenton Road to the easterly line of Trenton Healdsburg Road;

thence running northerly along said easterly line of Trenton Healdsburg Road to the easterly line of Eastside Road;

thence running northerly along said easterly line of Eastside Road to its intersection with the southerly line of Rancho Sotoyome;

thence running easterly along said southerly line of Rancho Sotoyome to its intersection with the Township line common to Townships 8 and 9 North, M.D.M.;

thence running easterly along said township line to its intersection with the boundary line between Sonoma and Napa Counties.


San Joaquin Valley, CA
Kern Co

That portion of Kern County which lies west and north of a line described as follows:

Beginning at the Kern Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Libre Land Grant to the point of intersection with the range line common to R. 16 W. and R. 17 W., San Bernardino Base and Meridian;

north along the range line to the point of intersection with the Rancho El Tejon Land Grant boundary;

then southeast, northeast, and northwest along the boundary of the Rancho El Tejon Land Grant to the northwest corner of S. 3, T. 11 N., R. 17 W.; then west 1.2 miles;

then north to the Rancho El Tejon Land Grant boundary;

then northwest along the Rancho El Tejon line to the southeast corner of S. 34, T. 32 S., R. 30 E., Mount Diablo Base and Meridian;

then north to the northwest corner of S. 35, T. 31 S., R. 30 E.;

then northeast along the boundary of the Rancho El Tejon Land Grant to the southwest corner of S. 18, T. 31 S., R. 31 E.;

then east to the southeast corner of S. 13, T. 31 S., R. 31 E.;

then north along the range line common to R. 31 E. and R. 32 E., Mount Diablo Base and Meridian, to the northwest corner of S. 6, T. 29 S., R. 32 E.;

then east to the southwest corner of S. 31, T. 28 S., R. 32 E.;

then north along the range line common to R. 31 E. and R. 32 E. to the northwest corner of S. 6, T. 28 S., R. 32 E.,

then west to the southeast corner of S. 36, T. 27 S., R. 31 E.,

then north along the range line common to R. 31 E. and R. 32 E. to the Kern Tulare County boundary.


Sutter Co (Sutter Buttes), CA
Sutter Co

That portion of the Sutter Buttes mountain range at or above 2,000 feet in elevation.


Ventura Co, CA
Ventura Co

That part of Ventura County excluding the Channel Islands of Anacapa and San Nicolas Islands.


COLORADO


Denver-Boulder-Greeley-Ft. Collins-Loveland, CO
Larimer Co

(Includes part of Rocky Mtn National Park) That portion of the county that lies south of a line described as follows: Beginning at a point on Larimer County's eastern boundary and Weld County's western boundary intersected by 40 degrees, 42 minutes, and 47.1 seconds north latitude, proceed west to a point defined by the intersection of 40 degrees, 42 minutes, 47.1 seconds north latitude and 105 degrees, 29 minutes, and 40.0 seconds west longitude, thence proceed south on 105 degrees, 29 minutes, 40.0 seconds west longitude to the intersection with 40 degrees, 33 minutes and 17.4 seconds north latitude, thence proceed west on 40 degrees, 33 minutes, 17.4 seconds north latitude until this line intersects Larimer County's western boundary and Grand County's eastern boundary.

Weld Co

That portion of the county that lies south of a line described as follows: Beginning at a point on Weld County's eastern boundary and Logan County's western boundary intersected by 40 degrees, 42 minutes, 47.1 seconds north latitude, proceed west on 40 degrees, 42 minutes, 47.1 seconds north latitude until this line intersects Weld County's western boundary and Larimer County's eastern boundary.


NEW YORK


Essex Co (Whiteface Mtn), NY
Essex Co

Whiteface Mountain in Essex County above 1,900 foot elevation



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