Plumbing in Bethlehem, PA — What You Should Know
Bethlehem's steel-mill heritage left industrial-era housing in South Side and West Side, where 1890s–1930s row homes and twins still run galvanized supply and cast-iron drain stacks. Lehigh River valley water treated by the city runs moderately hard, and Pennsylvania freeze-thaw cycles crack outdoor plumbing while aging interior pipes corrode from decades of use.
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