About Us

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Union Sanitary District operates a 33 million gallon per day wastewater treatment facility in Union City and provides collection, treatment and disposal services to a total population of over 347,000 in Fremont, Newark and Union City, California. The District maintains over 800 miles of underground pipeline in its service area.

Board of Directors
Regular Board Meetings are held the 2nd and 4th Monday of each month at 7:00 p.m. in the Boardroom at the Union Sanitary District Office located at 5072 Benson Road in Union City, California.
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Doing Business with USD
The Materials Management Team (MMT) serves the needs of internal and external customers in the areas of purchasing, inventory, warehousing, and risk management. We purchase materials and services and manage inventory so that District employees have the necessary products and services to perform their work.
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Careers at USD
Information about careers and current openings at Union Sanitary District.
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Mission, Facts, and History
Information about our mission, facts, and history at Union Sanitary District.
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Awards and Recognition
Information about Awards and Recognition at Union Sanitary District.
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Financial Information
The Finance Department is responsible for financial planning and analysis, internal control and auditing, cash and investments, payroll, accounts payable and receivable.
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Alvarado Treatment Plant
USD maintains dozens of facilities and thousands of pieces of equipment at our 33-acre treatment plant in Union City.
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