We provide wastewater collection and treatment services and residential and commercial trash, recycling,
and organics collection services. Our services do not include providing drinking water.
For 24/7 emergency response, please call 510-276-4700.
What can we help you find?
We are committed to providing the highest value in wastewater, solid waste, and recycling services to our customers and protect the San Francisco Bay and our communities.
We are in the midst of a major infrastructure program to replace 40 miles of Oro Loma Sanitary District sewer infrastructure. Please visit the FAQ page to learn more about the pipe replacement program.
News and Information
Join Us for “Trash Talk” Presentations
Learn why we must sort our waste, what goes in the recycling and what goes in the organics, and how to avoid additional charges on your solid waste invoice.
Oro Loma Sanitary District Recognized for Excellence in Government Finance for 28th Consecutive Year
San Lorenzo, CA, November 28, 2023 – Oro Loma has again won the Government Finance Officers Association’s (GFOA) award for excellence in financial reporting. This is the 28th consecutive year
Join Oro Loma and WM on November 11 for Storytime at the San Lorenzo Library
Make a date with the San Lorenzo Libary, Oro Loma, and WM on November 11 from 11 am to 12:30 pm for Recycle Adventures! Storytime. There will be
Oro Loma Efforts to Fight Future Red Tide Featured in The Mercury News
Download News Story PDF Story Courtesy of the Bay Area News Group ENVIRONMENT Fighting future ‘red tides’ in San Francisco Bay Reductions in nutrient pollution are already
Oro Loma Receives Transparency Certificate of Excellence
San Lorenzo, CA, June 20, 2023 — Oro Loma Sanitary District has received the District Transparency Certificate of Excellence by the Special District Leadership Foundation (SDLF) in recognition of
Oro Loma Recognized for Workers’ Compensation and Collection System Excellence
San Lorenzo, CA, February 17, 2023 - Oro Loma Sanitary District has won two awards: The CSRMA 2022 Workers' Compensation Award and the CWEA 2022 Collection System of the