Canal Boat Passing Through Locks at Schuylkill Water Works, Pennsylvania, circa 1845

The Schuylkill Water Works, also known as the Fairmount Water Works, were built in Philadelphia from 1812-1817. The second and more successful attempt at a municipal waterworks for the growing city of Philadelphia, they provided much-needed clean water after an outbreak of yellow fever in the late 18th century. These waterworks were in service for years, eventually closing in 1909.