EPA-Approved Air District Regulations in the Nevada SIP: Washoe 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 Washoe 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.

On this page:

Compiled Regulations
General Definitions
General Provisions
Source Registration and Operation
Prohibited Emissions
Emergency Episode Plan

Compiled Regulations

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EPA Approved and Compiled Rules and Regulations: Washoe County, Nevada (pdf) (7.29 MB, October 2024)
EPA approved and compiled rules and regulations of the Washoe County portion of the Nevada State Implementation Plan (SIP).

EPA-Approved Washoe County Regulations

General Definitions

District Citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
010.000	Definitions	5/26/2016	82 FR 27622 6/16/2017	Submitted on August 15, 2016.
010.005	Air Contaminant	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.010	Air Pollution	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.011	Allowable emissions	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.014	Asphalt	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.015	Atmosphere	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.020	Board of Health	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.025	BTU-British Thermal Unit	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.028	Cold Cleaner	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.030	Combustion Contaminants	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.035	Combustible Refuse	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.040	Commercial Fuel Oil	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.045	Condensed Fumes	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.050	Control Equipment	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.055	Control Officer	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.057	Conveyorized Degreaser	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.059	Cut-back Asphalt	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.060	District Health Officer	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.065	Dusts	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.070	Emission	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.071	Freeboard height	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.072	Freeboard ratio	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.075	Fuel	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.080	Fuel Burning Equipment	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.085	Garbage	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.090	Gas	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.091	Gasoline	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.095	Health District	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.100	Hearing Board	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.105	Incinerator	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.106	Lowest Achievable Emission Rate	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.107B	Major Emitting Facility Or Major Stationary Source (Nonattainment Areas)	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.108	Major Modification	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.110	Mist	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.116	Non Attainment Area	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.117	Non Attainment Pollutant	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.120	Nuisance	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.125	Odor	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.130	Opacity	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.135	Open Fire	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.136	Open Top Vapor Degreaser	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.140	Particulate Matter	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.145	Pathological Waste	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.117	Pellet Stove	2/23/2006	72 FR 33397 6/18/2007	Submitted on May 5, 2006. See 40 CFR 52.1490(c)(63)(i)(A)(1).
010.148	Penetrating Prime Coat	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.149	Penetrating Seal Coat	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.150	Person	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.151	Potential to Emit	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.155	Process Weight	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.160	Process Weight Rate	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.165	Ringelmann Chart	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.166	Significant Ambient Impact	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.170	Smoke	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.175	Source	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.1751	Source Registration	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
010.180	Stack or Chimney	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.185	Standard Conditions	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
010.197	Volatile Organic Compound	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on April 24, 1979. See 40 CFR 52.1490(c)(16)(iii).

General Provisions

District Citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
020.005	Board of Health-Powers and Duties	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.010	Injunctive Relief	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.015	Judicial Relief	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.025	Control Officer-Powers and Duties	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.035	Violations of Regulations	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.040	Notice of Violation	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.045	Citation	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.050	Administrative Fines	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.055	Injunctive Relief	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.055	Confidential information	1/24/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
020.060	Interference with Performance of Duty	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.070	Sampling and Testing	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.080	Circumvention	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.085	Upset, Breakdown or Scheduled Maintenance	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.090	Registration of Sources	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
020.095	Severability	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).

Source Registration and Operation

District Citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
030.000	Sources - General	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.005	[Authority to Construct must be issued before any building permit]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.010	[Limits on Issuance of Authorities to Construct]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.015	[Public notice requirement for major sources]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.025	Registration Application	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.030	[Limits on effect of acceptance of permit application or issuance of Authority to Construct]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.110	[modifications]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.115(1), (5), and subsection (B)	[Additional requirements for major sources in general and specific additional requirements for major sources of nonattainment pollutants]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.120	[Violations and Stop Work Orders]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.1201	[Person served with Stop Work Order]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.205	[Registration Requirement]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.210	[Issuance of Permits to Operate]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.215	[Limits on Meaning of Issuance of Permit to Operate]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.218	Demonstration of Compliance	6/28/2012	77 FR 60915 10/5/2012	Submitted on August 30, 2012.
030.230	Record Keeping	6/28/2012	77 FR 60915 10/5/2012	Submitted on August 30, 2012.
030.235	Requirements for Source Sampling and Testing	6/28/2012	77 FR 60915 10/5/2012	Submitted on August 30, 2012.
030.245	[Permit to Operate is not transferable]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.250	[Permit to Operate is subject to suspension or revocation for violation]	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
030.300	Fee and Fee Schedule	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.305	Plan Review Fees	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.310	[Permit to Operate - Schedule of Fees]	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.970 (subsection A only)	Part 70 Permit Monitoring and Compliance	6/28/2012	77 FR 60915 10/5/2012	Submitted on August 30, 2012.
030.3101	Fuel burning equipment	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.3102	Incinerators	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.3103	Storage tanks	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).
030.3104	Processes	5/23/1979 (adopted)	46 FR 43141 8/27/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(ix).

Prohibited Emissions

District Citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
040.005	Visible Air Contaminants	2/23/2006	72 FR 33397 6/18/2007	Submitted on May 5, 2006. See 40 CFR 52.1490(c)(63)(i)(A)(1).
040.010	Particulate Matter	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.015	Specific Contaminants	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.020	Dust and Fumes	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.025	Exceptions	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.030	Dust Control	11/1/2002	72 FR 25969 (5/8/07)	Adopted on 7/26/02. Submitted on August 4, 2002. See 40 CFR 52.1490(c)(55)(i)(A)(2).
040.031	Street Sanding Operations	2/27/2002	71 FR 14386 3/22/2006	Adopted on 2/27/02. Submitted on August 4, 2002. See 40 CFR 52.1490(c)(55)(i)(A)(1).
040.032	Street Sweeping Operations	2/27/2002	71 FR 14386 3/22/2006	Adopted on 2/27/02. Submitted on August 4, 2002. See 40 CFR 52.1490(c)(55)(i)(A)(1).
040.035	Open Fires	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.040	Burning Permit Conditions	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.045	Refuse Disposal	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.050	Incinerator Emissions	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.051	Wood-Burning Devices	7/1/2022	89 FR 76735 9/19/2024	Submitted on October 4, 2022.
040.060	Sulfur Content of Fuel	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.065	Reduction of Animal Matter	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
040.070	Storage of Petroleum Products	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
040.075	Gasoline Loading into Tank Trucks and Trailers	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
040.080	Gasoline Unloading from Tank Trucks and Trailers into Storage Tanks	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
040.085	Organic Solvents	1/24/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
040.090	Cut-Back Asphalts	5/23/1979 (adopted)	46 FR 21758 4/14/1981	Submitted on July 24, 1979. See 40 CFR 52.1490(c)(16)(iii).
040.095	Oxygen Content of Motor Fuel	10/24/2013 (amended)	83 FR 983 1/9/2018	Previously approved at 73 FR 38124 on 7/3/2008. Submitted on March 28, 2014. Suspends local motor fuel oxygenate requirement.
[Related to 040.095]	Washoe County District Board of Health Meeting, September 22, 2005, Public Hearing-Amendments - Washoe County District Board of Health Regulations Governing Air Quality Management; to Wit: Rule 040.095 (Oxygen Content of Motor Vehicle Fuel)	9/22/2005	73 FR 38124 7/3/2008	See 52.1490(c)(69)(i)(A)(1)(i).

Emergency Episode Plan

District Citation	Title/Subject	District effective date	EPA Approval date	Additional explanation
050.001	Emergency Episode Plan	3/23/2006	72 FR 33397 6/18/2007	Submitted on May 5, 2006. See 40 CFR 52.1490(c)(63)(i)(A)(1).
060.010	Emergency Authority to Act	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.015	Sampling Stations and Air Sampling	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.020	Reports	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).
060.025	Continuing Program of Voluntary Cooperation	2/1/1972	37 FR 15080 7/27/1972	Submitted on June 12, 1972. See 40 CFR 52.1490(c)(2).