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Nevada—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
1 Rest of State refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled Water Resources and Inter-basin Flows (September 1971), excluding the designated areas specifically listed in the table.
Nevada—2010 Sulfur Dioxide NAAQS
[Primary]
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 Rest of State refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled “Water Resources and Inter-basin Flows” (September 1971), as revised to include a division of Carson Desert (area 101) into two areas, a smaller area 101 and area 101A, and a division of Boulder Flat (area 61) into an Upper Unit 61 and a Lower Unit 61. See also 67 FR 12474 (March 19, 2002).
Nevada—Carbon Monoxide
1 This date is November 15, 1990, unless otherwise noted.
Nevada—Ozone (1-Hour Standard) 3
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 Nevada except the portion of Clark County designated nonattainment for the 8-hour ozone standard effective September 13, 2004 for which the 1-hour ozone standard is revoked effective September 13, 2005.
Nevada—PM-10
1 Rest of State refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled Water Resources and Inter-basin Flows (September 1971), as revised to include a division of Carson Desert (area 101) into two areas, a smaller area 101 and area 101A, and excluding the designated areas specifically listed in the table.
Nevada—1997 Annual PM2.5 NAAQS
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 Statewide refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled “Water Resources and Inter-basin Flows” (September 1971), as revised to include a division of Carson Desert (area 101) into two areas, a smaller area 101 and area 101A, and a division of Boulder Flat (area 61) into an Upper Unit 61 and a Lower Unit 61. See also 67 FR 12474 (March 19, 2002).
Nevada—2012 Annual PM2.5 NAAQS
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.
3 Statewide refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled “Water Resources and Inter-basin Flows” (September 1971), as revised to include a division of Carson Desert (area 101) into two areas, a smaller area 101 and area 101A, and a division of Boulder Flat (area 61) into an Upper Unit 61 and a Lower Unit 61. See also 67 FR 12474 (March 19, 2002).
Nevada—1997 24-Hour PM2.5 NAAQS
Nevada—2006 24-Hour PM2.5 NAAQS
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Nevada—NO2 (1971 Annual Standard)
Nevada—NO2 (2010 1-Hour Standard)
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Nevada—1997 8-Hour Ozone NAAQS
b The use of reservation boundaries for this designation is for purposes of CAA planning only and is not intended to be a federal determination of the exact boundaries of the reservations. Nor does the specific listing of the Tribes in this table confer, deny or withdraw Federal recognition of any of the Tribes listed or not listed.
1 This date is June 15, 2004, unless otherwise noted.
2 The effective date is September 13, 2004.
Nevada—2008 8-Hour Ozone NAAQS
1 This date is July 20, 2012, unless otherwise noted.
Nevada—2015 8-Hour Ozone NAAQS
2 This date is August 3, 2018, unless otherwise noted.
3 Hydrographic areas are shown on the State of Nevada Division of Water Resources' map titled Water Resources and Inter-basin Flows (September 1971).
Nevada—2008 Lead NAAQS
1 December 31, 2011 unless otherwise noted.