On-site Septic Systems

The On-site Septic Program protects public health and the environment by preventing human exposure to sewage and the contamination of our groundwater by ensuring the proper placement, design, installation, and maintenance of on-site septic systems.

Financial Assistance

Property owners seeking to repair/replace their on-site sewage system or connect to municipal sewer utilities may qualify for financial assistance offered through Craft3, Clark County Community Services's, United States Department of Agriculture, or local public sewer provider. For more information, click here.

Frequently Ask Questions


This list of steps will assist you in meeting the requirements to obtain an on-site sewage system permit.


We will send you a notice about 6 months before your inspection is due to give you time to meet the requirements below.

Conventional Gravity Every 3 years
Pressure Distribution Every 2 years
Advanced On-site sewage systems like Sand Filter, Sand Mound, Sand Lined Trench, Aerobic Treatment Units, etc.

Every year                                            

Food Establishments Every year regardless of type of system

If it's a conventional gravity system, yes! The homeowner must take a course from Public Health and pass the operations & maintenance (O&M) test ($20). The form for reporting inspection results will also be provided at that time.


Check these lists to see who is certified to pump or inspect septic systems in Clark County.


Inspections cost less than pumping, but the price may vary depending on the type of system you have. As private industry is providing this service, we cannot regulate their fees, but encourage you to get more than one quote before selecting an O & M specialist.


“Gray water” means sewage from bathtubs, showers, bathroom sinks, washing machines, dishwashers, and kitchen sinks. It includes sewage from any source in a residence or structure that has not come into contact with toilet wastes.