Orange County Sanitation District
Biosolids Program

        February 2012
BREAKING NEWS: Biosolids Management Request for Proposal Issued

OCSD is seeking services to manage biosolids via land application and landfill. This contract will replace our current land application contract expiring 12/31/12.



OCSD Sells Kings County Property

OCSD recently closed escrow on our Kings County property where Tule Ranch had managed OCSD's biosolids in the early 2000's. The local biosolids restrictions prevented this property from being utilized for biosolds land application. 
Biosolids Contractor Requirements
Why did OCSD's independent external auditor tout OCSD's contractor oversight program as one of the best in the nation?
How do we ensure our high standards are met with more than 200 loads per week of biosolids leaving our plants to be beneficially reused?


outlining our requirements for current and future biosolids management contractors.


Thank you for your interest in Orange County Sanitation District's Biosolids Program. Please contact me if you have questions or suggestions on any aspect of our biosolids program, including what you would like to see in these periodic updates.
Thank you,
Deirdre Bingman
Orange County Sanitation District
(714) 593-7459 or
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OCSD Biosolids Website


OCSD's Biosolids Policy 
OCSD strives to recycle its biosolids using sustainable options while protecting public health and the environment.
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The Orange County Sanitation District is a public agency responsible for safely collecting and treating wastewater (sewage) for 2.5 million people. OCSD beneficially reuses and recycles the treated wastewater and other resources resulting from the treatment process. It is a special district established by the California State legislature and governed by a 25-member board of directors. The directors are comprised of elected representatives for each of the sewer agencies or cities within OCSD's 471 square mile service area. For more information, visit our Web site at