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
- Review and approve plans for construction, renovation, expansion or repair of Onsite Wastewater Treatment Systems by conducting field inspections and reviewing soil evaluations, percolation test data, as well as historical records
- Perform field inspections to assess parcel and tract maps, the feasibility of new land use proposals, conditional use permits, zone changes, etc., for the Department of Regional Planning
- Conduct field inspections and record searches to prove assessments of existing Onsite Wastewater Treatment Systems
- Inspect sewage cleaning vehicles, chemical toilet pumping vehicles and toilet rental agencies
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Contact Us
Tel: (626) 430-5380
Fax: (626) 813-3016
County of Los Angeles Public Health
Environmental Health
Onsite Wastewater Treatment Program
5050 Commerce Drive
Baldwin Park, CA 91706