U.S. Pipe Union City Foundry

Large load · 1295 WHIPPLE ROAD, Union City, CA

United States Pipe and Foundry Company, LLC owns and operates an iron foundry at 1295 Whipple Road in Union City, Alameda County, California. The foundry produces ductile iron pipe from iron scrap melted in a cupola. The company identifies itself as a QUIKRETE company.

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Overview

Iron scrap is melted in a cupola furnace and the molten metal is cast into pipe using reusable molds. A Bay Area Air Quality Management District permit lists a coke cupola at 600 ton/day and a ductile treating unit at 600 ton/day.

Profile

Ownership: The company's emissions minimization plan states that United States Pipe and Foundry Company, LLC owns and operates the foundry, and U.S. Pipe describes itself as a QUIKRETE Company.

Permits: The BAAQMD Major Facility Review permit was issued on December 21, 2012 and expired on December 20, 2017 under its original term. EPA's registry links the site to industrial stormwater NPDES identifier CAZ180660.

Recent activity: U.S. Pipe recently hosted the California Metals Coalition Quarterly Roundtable at its Union City facility, scheduled for March 27, 2026 with a plant tour.