Program Updates

The City of Los Angeles is continuously investigating, developing, and implementing changes to our biosolids management program. We are implementing changes in order to maintain a program that is environmentally sound, protective of public health and the environment, and cost-effective. We are committed to keep you informed and involved in our program. Listed below are program updates and changes. Contact us for more information about these items.

• 2011 Interim Audit – The City of Los Angeles completed an audit from April to June 2011 of its Biosolids Management Program. The City as part of the National Biosolids Partnership (NBP) was approved to substitute an internal audit for a third party audit. The City’s program has maintained the highest achievement for biosolids management at the Platinum Level. To view the findings from the audit click here.
• 2010 Biosolids EMS Performance Report - To highlight some of the accomplishments and improvements of the City’s biosolids management program we have completed our annual 2010 Biosolids Environmental Management System Performance Report. We value your input and would love to hear from you regarding the report contents. Click here to view the report. If you have any questions or comments please contact us at the information listed on the report or the bottom of this page.
• 2010 Third Party Interim Audit – The City completed its EMS interim audit from August 9-12, 2010. The City requested through the NBP to hire an external third party audit company, KEMA, to conduct its audit. The results included continued certification under NBP National Biosolids EMS program through September 2011. Five (5) minor non-conformances require corrective action and the City of Los Angeles will consider the twelve suggested opportunities for improvement. The audit results were reported to the Bureau of Sanitation management, the NBP, and interested parties.
• TIRE Update – The City has successfully injected over 120 million gallons of digested sludge and biosolids slurry into deep geological subsurface. The project has been in operation for over three years. Based on monitoring data and results the formations are responding well and accepting the material.The project is in compliance with regulatory requirements.  For more information click here.
• Goals and Objectives – The City has set new goals and objectives for the biosolids program for fiscal year 2009-2010. Current objectives are on or ahead of completion schedule. Click here to find out more about the program goals and objectives. Also if you have any goal or objective in mind that you would like the City to consider please contact us at the information below.
• Management Options – In 2010, the City produced approximately 230,000 tons of biosolids. The biosolids produced were managed through land application, composting and deep well injection. For more detailed information on the management options click here.
• Regulatory Compliance – To ensure that the biosolids we produce are safe and managed in an environmentally sound manner we monitor and measure several parameters. Annual reports are prepared that provides the results of the parameters we monitor and measure. To view latest regulatory reports here.
• Outreach Update – The City provided tours to over 3200 guests in 2010. The tours were conducted of the HTP, TIWRP, Griffith Park Compost Facility, and the TIRE facility. Also several videos were provided to interested parties. Learn more about wastewater treatment and biosolids management: take a tour, view a video or participate in an audit. View our Learn more page for more information.

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