In 2017, Philadelphia crews digging up Spruce Street hit water mains made of bored logs, laid around 1811; the city's last wooden pipe left service in 1858

While digging on Spruce Street in Philadelphia, city workers unearthed wooden water mains dating back 200 years. Installed around 1811, these pipes were integral to the city’s early water supply system. Recognized by an arborist, who alerted officials, historical records confirmed their significance. The Philadelphia Water Department ensured these artifacts were preserved for education, shedding light on the city’s rich water history.