CITY OF LOS ANGELES
DEPARTMENT OF PUBLIC WORKS

Private Sewers & Septic Systems

Septic Systems

Septic systems are highly efficient, self-contained, underground wastewater treatment systems that dispose of sewage on-site. Septic systems are used when properties are not connected to municipal sanitary sewers.

To help us serve you better, please complete the accompanying questionnaire.

Questionnaire
If you have a septic system, please fill out the City's Septic System Questionnaire.
For more information regarding the Septic System Questionnaire, please read the Questionnaire Letter.      PICK A FORMAT:  Microsoft Word  |  Adobe Acrobat

Frequently Asked Questions for Septic Systems

To better help you maintain your septic system and prevent needless repairs or replacement, please click on the links below:

• Memo of Understanding — This document describes the City's responsibility in evaluating and reporting the conditions of septic systems in part through the use of the questionnaire throughout the City of Los Angeles and requiring homeowners and others to fix all systems that are in need of repair. 
• City of Los Angeles Guide To Septic Systems
• EPA Guide To Septic Systems
• Information Bulletin from the Department of Building and Safety  — A portion of the City's building code that sets forth criteria for the approval of an onsite wastewater treatment system (septic system).
   Department of Building and Safety website
• Additional Information

Annual Progress and Implementation Reports to Regional Water Quality Control Board (RWQCB):

• 2008 Annual Progress & Implementation Report - 6.6 MB
• 2007 Annual Progress & Implementation Report - 6.5 MB
• 2006 Annual Progress & Implementation Report - 13.9 MB

For further information:

We have established a dedicated email address for your septic systems concerns or questions. Email us at Septic.System@lacity.org or call us at either of the following numbers (323) 342-1561 or (323) 342-6239. Should you prefer to write us you may contact us at:

City of Los Angeles
Department of Public Works
Bureau of Sanitation
Wastewater Engineering Services Division
OWTS Program
2714 Media Center Drive
Los Angeles, CA 90065