Contact EPA Pacific Southwest Air Program
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, 147 Tribes
Air Actions, Nevada
Adequacy Review of SIP Submissions for Conformity
In EPA's adequacy review, the Agency determines whether the motor vehicle emissions budgets in the State Implementation Plan (SIP) are adequate for conformity purposes.
For more information on SIP submissions currently under EPA adequacy review and SIP submissions EPA has already found adequate, see the EPA's Office of Transportation and Air Quality Transportation Conformity Web Site.
On This Page:
Clark County
On March 29, 2011, the U.S. Environmental Protection Agency published a direct final rule in the Federal Register determining that the Clark County, Nevada nonattainment area has attained the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS). This direct final action is effective May 31, 2011. On the day of publication, we also published a proposed action, which provides for a 30-day public comment period. We did not receive any public comment.
- Transportation Conformity in Las Vegas (Clark County), Nevada (November 2008)
- Carbon Monoxide Pollution in Las Vegas (Clark County)
Nevada: with EPA's final attainment determination (May 2005) - Particulate Matter Pollution in Las Vegas (Clark County), Nevada: with EPA's final approval of the PM-10 plan (March 2004)
Nevada Regional Haze State Implementation Plan - Final Rule
EPA is taking final action, approving Nevada’s plan to reduce visibility impairment at national parks and wilderness areas inside Nevada and in nearby states. However, EPA is taking no action on the Best Available Retrofit Technology (BART) determination for nitrogen oxide (NOx) at the Reid-Gardner Generating Station. EPA intends to propose action on the NOx BART determination in the future.
- Final Rulemaking Notice (PDF) 12/13/11 (36 pp, 300K)
- Fact Sheet (PDF) 12/13/11 (1 pg, 100K)
On June 9, 2011, EPA proposed to approve Nevada's Regional Haze Plan as meeting the requirements of the Clean Air Act Section 169A and Regional Haze Rule at 40 CFR 51.308. There will be a 30-day comment period from the date of publication in the Federal Register.
- Proposed Rule (PDF) 6/9/11 (83pp, 143K)
Washoe County
- Final approval of the Redesignation for Washoe County to Attainment for the Carbon Monoxide National Ambient Air Qiuality Standard and approval of a maintenance plan (July 2008)
- Proposal to approve the Redesignation for Washoe County to Attainment for the Carbon Monoxide National Ambient Air Qiuality Standard and approval of a maintenance plan (Jan 2007)
- Wintertime Oxygenated Gasoline Rule; Vehicle Inspection and Maintenance Program; Redesignation of Truckee Meadows to Attainment for the Carbon Monoxide Standard (Jan 2008)
- Particulate Matter Pollution in Reno, Nevada: with EPA's fact sheet of the final rulemaking of the PM-10 reclassification (November 2000)
Mohave Generating Station
- The Mohave Generating Station and Grand Canyon Visibility
Includes final rule on revised plan (February 2002)
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