EPA-Approved Air Quality Regulations for Clark County

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

The following document and tables contain the EPA approved Air Quality Regulations for Clark County in the Nevada State Implementation Plan (SIP). EPA's Pacific Southwest Office maintains these tables and will update them to reflect any changes in the official tables codified in the Code of Federal Regulations. To find the status of SIP submittals, visit SIP Status Reports.

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Compiled Regulations
Tables of Rules and Regulations

Compiled Regulations

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EPA Approved and Compiled Rules and Regulations: Clark County, NV (pdf) (12.15 MB, July 2023)
EPA approved and compiled air quality rules and regulations for the Clark County portion of the Nevada State Implementation Plan (SIP).
City of Henderson Building Code (pdf) (46.69 KB, April 2012)
City Building Codes Impacting Air Quality in Clark County.
City of Las Vegas Building Code (pdf) (109.39 KB, April 2012)
City Building Codes Impacting Air Quality in Clark County.
City of North Las Vegas Building Code (pdf) (88.15 KB, April 2012)
City Building Codes Impacting Air Quality in Clark County.

Tables of Rules and Regulations

EPA-Approved Clark County Regulations

County Citation	Title/Subject	County Effective Date	EPA Approval Date	Additional Explanation
Section 0	Definitions (“Clearing and Grubbing” only)	4/1/2014	79 FR 62351, 10/17/2014	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 0	Definitions	8/3/2021	88 FR 38754, 6/14/2023	Submitted electronically on January 31, 2022, as an attachment to a letter dated January 31, 2022.
Section 1 (“Definitions”): Subsection 1.58	New Source	12/28/1978	46 FR 21758 4/14/1981	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 1 (“Definitions”): Subsection 1.81	Single Source	12/28/1978	46 FR 21758 4/14/1981	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 1 (“Definitions”): Subsection 1.88	Standard Conditions	12/28/1978	46 FR 21758 4/14/1981	Submitted on 9/18/79. See 40 CFR 52/1490(c)(17)(i).
Section 2: Subsections 2.1, 2.2, and 2.3	Air Pollution Control Board	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii)
Section 2	Procedures for Adoption and Revision of Regulations and for Inclusion of those Regulations in the State Implementation Plan	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Section 4	Control Officer	12/17/2019	87 FR 23765 4/21/2022	Submitted: 3/16/2020
Section 5: Subsection 5.1	Interference with Control Officer	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 6: Subsection 6.1	Injunctive Relief	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 8: Subsections 8.1, 8.2	Persons Liable for Penalties - Punishment; Defense	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 12.0	Applicability, General Requirements	2/4/2020	88 FR 38754, 6/14/2023	Submitted electronically on March 16, 2020, as an attachment to a letter dated March 13, 2020.
Section 12.1	Permit Requirements for Minor Sources	1/1/2019	88 FR 38754, 6/14/2023	Submitted electronically on April 12, 2019, as an attachment to a letter dated April 12, 2019.
Section 12.2	Permit Requirements for Major Sources in Attainment Areas (Prevention of Significant Deterioration)	4/1/2014	79 FR 62351, 10/17/2014	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.3	Permit Requirements for Major Sources in Nonattainment Areas	4/1/2014	79 FR 62351, 10/17/2014	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.4	Authority to Construct Application and Permit Requirements For Part 70 Sources	4/1/2014	79 FR 62351, 10/17/2014	Amended by Clark County Board of County Commissioners on March 18, 2014 through Ordinance No. 4189. Submitted by NDEP on 4/1/14.
Section 12.7: Subsection 12.7.5	Emission Reduction Credits	7/1/2010	79 FR 62351, 10/17/2014	The heading for subsection 12.7.5 is “Criteria for Granting ERCs.” Adopted by Clark County Board of County Commissioners on May 18, 2010 through Ordinance No. 3864. Submitted by NDEP on 4/1/14.
Section 12.9.1	Annual Emissions Statement	8/18/2020	87 FR 45657, 7/29/2022	Submitted on October 15, 2020
Section 12.11	General Permits for Minor Stationary Sources	1/1/2019	88 FR 38754, 6/14/2023	Submitted electronically on April 12, 2019, as an attachment to a letter dated April 12, 2019.
Section 18: Subsections 18.1-18.5.2	Registration/Permit Fees	9/3/1981	47 FR 26386 6/18/1982	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 18: Subsections 18.6-18.12	Registration/Permit Fees	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 23: Subsections 23.1-23.5 (excluding subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5)	Continuous Monitoring by Fossil Fuel-Fired Steam Generators	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5, submitted on 7/24/79, were superseded by revised subsections submitted on 11/17/81 and approved at 47 FR 26386 6/18/1982.
Section 23 (Continuous Monitoring by Fossil Fuel-Fired Steam Generators): Subsections 23.2.1-23.3.1.2, 23.3.4-23.3.5)	[related to specifications for continuous monitoring]	9/3/1981	47 FR 26386 6/18/1982	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 25: Subsection 25.2	Upset, Breakdown or Scheduled Maintenance	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsection 25.1, submitted on 7/24/79, was never approved into the SIP; see 40 CFR 52.1483 and 69 FR 54006, at 54017, 54018 (9/7/04).
Section 26	Emission of Visible Air Contaminants	5/5/2016	82 FR 27622 6/16/2017	Submitted on June 29, 2015.
Section 27	Particulate Matter from Process Weight Rate	9/3/1981	47 FR 26386 6/18/1982	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 28: Subsections 28.1 and 28.2	Fuel Burning Equipment	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 31	Reduction of Emission of Sulfur from Primary Non-Ferrous Smelters	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 32: Subsections 32.1, 32.2	Reduction of Animal Matter	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 33	Chlorine in Chemical Processes	01/21/2020	87 FR 30423 5/19/2022	Submitted on 3/16/2020
Section 41	Fugitive Dust	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Section 42: Subsections 42.1, 42.3 and 42.4	Open Burning	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii). Subsection 42.2 deleted without replacement - see 40 CFR 52.1490(c)(16)(viii)(C).
Section 50	Storage of Petroleum Products	12/28/1978	46 FR 21758 4/14/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii).
Section 51	Petroleum Product Loading into Tank Trucks and Trailers	12/28/1978	46 FR 21758 4/14/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii).
Section 52: Subsections 52.1-52.10 (excluding subsections 52.4.2.3 and 52.7.2)	Handling of Gasoline at Service Stations, Airports and Storage Tanks	12/28/1978	46 FR 21758 4/14/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(ii). Subsections 52.4.2.3 and 52.7.2 were superseded by amended provisions submitted on 11/17/81 and approved at 47 FR 26386 6/18/1982.
Section 52 (Handling of Gasoline at Service Stations, Airports and Storage Tanks): Subsections 52.4.2.3 and 52.7.2	[related to vapor recovery and sales information]	9/3/1981	47 FR 26386 6/18/1982	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 53	Oxygenated Gasoline Program	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Ordinance No. 3809	An Ordinance to Suspend the Applicability and Enforceability of All Provisions of Clark County Air Quality Regulation Section 54, the Cleaner Burning Gasoline Wintertime Program; and Provide for Other Matters Properly Relating Thereto	9/29/2009	75 FR 59090 9/27/2010	See 40 CFR 52.1490(c)(74)(i)(A). Section 54 was suspended by the Clark County Board of County Commissioners through adoption of Ordinance No. 3809 on September 15, 2009. Submitted on 3/26/10 for inclusion into Appendix C of the 2008 Las Vegas Valley CO Maintenance Plan.
Section 60 (excluding subsections 60.4.2 and 60.4.3)	Evaporation and Leakage	6/28/1979	46 FR 21758 4/14/1981	Submitted on 9/18/79. See 40 CFR 52.1490(c)(17)(i). Subsections 60.4.2 and 60.4.3 were superseded by approval of amended provisions at 49 FR 10259 (3/20/84) and 47 FR 26386 6/18/1982.
Section 60: Subsection 60.4.2	[General prohibition on use of cutback asphalt]	9/3/1981	49 FR 10259 3/20/1984	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(vi).
Section 60: Subsection 60.4.3	[Exceptions to subsection 60.4.2]	9/3/1981	47 FR 26386 6/18/1982	Submitted on 11/17/81. See 40 CFR 52.1490(c)(24)(iv).
Section 70: subsections 70.1-70.6	Emergency Procedures	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 80	Circumvention	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 81	Provisions of Regulations Severable	12/28/1978	46 FR 43141 8/27/1981	Submitted on 7/24/79. See 40 CFR 52.1490(c)(16)(viii).
Section 90	Fugitive Dust from Open Areas and Vacant Lots	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Section 91	Fugitive Dust from Unpaved Roads, Unpaved Alleys, and Unpaved Easement Roads	4/29/2014	79 FR 60080, 10/6/2014	Adopted by Clark County on April 15, 2014 and submitted by NDEP on May 27, 2014.
Section 92	Fugitive Dust from Unpaved Parking Lots, Material Handling & Storage Yards, & Vehicle & Equipment Storage Yards	4/29/2014	79 FR 60080, 10/6/2014	Adopted by Clark County on April 15, 2014 and submitted by NDEP on May 27, 2014.
Section 93	Fugitive Dust from Paved Roads and Street Sweeping Equipment	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Section 94	Permitting and Dust Control for Construction Activities	01/21/2020	87 FR 30423 5/19/2022	Submitted: 3/16/2020
Section 94 Handbook	Construction Activities Dust Control Handbook	4/1/2003	71 FR 63250 10/30/2006	Originally adopted on 6/22/00, and amended on 3/18/03. Submitted on 3/26/03. See 40 CFR 52.1490(c)(61)(i)(A)(1). Supersedes earlier version of rule approved at 69 FR 32273 (6/9/04).
Clark County Building Code, Section 3708	Residential Wood Combustion Ordinance (Fireplace), No. 1249	12/4/1990	68 FR 52838 9/8/2003	Adopted on 11/20/90, and submitted on 11/19/02. See 40 CFR 52.1490(c)(41)(i)(A)(1).

EPA-Approved City of Las Vegas Regulations

City Citation	Title/Subject	City Effective date	EPA Approval Date	Additional Explanation
City of Las Vegas Building Code, Section 3708	Residential Wood Combustion Ordinance (Fireplace), No. 3538	11/21/1990	68 FR 52838 9/8/2003	Adopted on 11/21/90, and submitted on 11/19/02. See 40 CFR 52.1490(c)(41)(i)(A)(2).

EPA-Approved City of North Las Vegas Regulations

City Citation	Title/Subject	City Effective Date	EPA Approval Date	Additional Explanation
City of North Las Vegas Building Code, Section 13.16.150	Residential Wood Combustion Ordinance (Fireplace), No. 1020	9/18/1991	68 FR 52838 9/8/2003	Adopted on 9/18/91, and submitted on 11/19/02. See 40 CFR 52.1490(c)(41)(i)(A)(3).

EPA-Approved City of Henderson Regulations

City Citation	Title/Subject	City Effective Date	EPA Approval Date	Additional Explanation
City of Henderson Building Code, Section 15.40.010	Residential Wood Combustion Ordinance (Fireplace), No. 1697	10/15/1996	68 FR 52838 9/8/2003	Adopted on 10/15/96, and submitted on 11/19/02. See 40 CFR 52.1490(c)(41)(i)(A)(4).