We are committed to providing the best wastewater and solid waste (refuse and recycling) services to our community. We do this to protect the public health and environment. We seek to provide the best possible service at the lowest possible cost by optimizing operations and the allocation of resources to produce the highest long-term value for our customers.

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2017 Earth Day Poster Contest winners announced

The 23rd Annual Earth Day Poster Contest was a huge success! The cash winners were celebrated at an awards ceremony on May 24, 2017 at the San Leandro Community Center, where they learned which prize they won.  Please click on the link below for more information, including a downloadable photo of the cash prize winners.  Thank you to all schools and students who participated, and also to the parents and families who supported them. Click here for more information, and the list of winners.
News and Information
Oro Loma Sanitary District and Castro Valley Sanitary District are joint recipients of a 2017 Bay Hero Award. The Bay Hero Award was presented to the sanitary districts’ boards by the San Francisco Bay Institute in recognition of their far-reaching vision and response to sea level rise, as well as their undaunted efforts to innovate toward a sustainable solution. Read News >>
Get a first-hand look at how our water pollution control facility works! To attend the next regularly scheduled Quarterly Public Tour, please fill out our online form >>
Oro Loma is a Special District, one of many Special Districts in California. What makes Special Districts so special?   Click here to find out >>
Meetings and Events


Oro Loma Sanitary District provides wastewater collection and treatment services, and residential and commercial solid waste and recycling services to its customers.