The men and women of the Public Utilities Department Wastewater Branch safely collect, treat and dispose of nearly 180 million gallons of sewage every day.
Get an inside look at the Wastewater Branch now.
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Our Mission is to provide the public with a safe and efficient regional sewer system that protects our ocean water quality, supplements our limited water supply, and meets federal standards, at the lowest possible cost.
We at the City of San Diego Public Utilities Department Wastewater Branch are committed to providing our community with a safe, efficient, regional sewer system. At the same time, we protect our ocean water quality, supplement our limited water supply and meet federal standards at the lowest possible cost. Through state-of-the-art facilities, water reclamation, biosolids production and cogeneration, the City is a leader in maximizing the conservation of water and energy as part of the wastewater treatment process.
Important Phone Numbers/Contact Information

City of San Diego Public Utilities Department Wastewater Branch
9192 Topaz Way
San Diego, CA 92123-1119
(858) 292-6300
Email: mwwd@sandiego.gov
To report a sewer spill or bad sewer odor, immediately call (619) 515-3525
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