NRS 268.410: Regulation and control of smoke and pollution of air.

1. Except as otherwise provided in subsection 3, and in addition to any authority provided by the charter of any incorporated city in this State, whether incorporated by general or special act, or otherwise, there is granted to the governing body of each of the cities incorporated under any law of this State the authority, by ordinance regularly enacted, to regulate, control and prohibit, as a public nuisance, the excessive emission of dense smoke and air pollution caused by excessive soot, cinders, fly ash, dust, noxious acids, fumes and gases within the corporate limits of the city.

2. If an ordinance adopted pursuant to subsection 1 involves or affects agricultural operations, any plan or program to carry out that ordinance must allow for customarily accepted agricultural practices to occur on agricultural land. A governmental entity which is considering the adoption of such a plan or program shall consult with the State Department of Agriculture or local conservation districts to determine the customarily accepted agricultural practices that may be affected by the proposed plan or program.

3. An existing compliance schedule, variance order or other enforcement action relating to air pollution by fossil fuel-fired steam generating facilities, with a capacity greater than 1,000 megawatts, may not be enforced until July 1, 1977.