The Southern Nevada Health District reviews, approves and regulates certain environmental and health aspects of commercial and residential subdivision developments in Clark County. The provisions are detailed in the Nevada Revised Statues (NRS) Chapter 278  and Nevada Administrative Code (NAC) Chapter 278.

The subdivision review and approval process includes a review of tentative maps, final maps, and improvement plans.

Following certification for sewage disposal available capacity and water pollution control permitting by the Nevada Division of Environmental Protection, final maps are approved by the Health District for sewage disposal, water quality, and any water supply facilities predicated upon a public or private water supply and any community or individual system for disposal of sewage.