About Onsite Wastewater Treatment Program

The primary responsibility of Onsite Wastewater Treatment Program is reviewing and approving plans for Onsite Wastewater Treatment Systems within designated cities and unincorporated areas of the County of Los Angeles in an effort to protect groundwater sources. Program personnel also inspect and permit septic tank pumping vehicles, chemical toilet pumping vehicles, and toilet rental agencies. In addition, we are responsible for evaluating subdivision requests and conducting environmental reviews within its scope.

Learn About Our Services

You May Be Interested In...

Contact Us