Places Pennsylvania

PWD water tech at the Philly Home Show, 1960

PWD water tech at the Philly Home Show, 1960 (detail)

Lab tech at Philly Home Show, 1960

Lab tech, water cleaning demo, Philly Home Show, 1960

Nine visiting nurses ready for work, ca. 1909

Nine visiting nurses ready for work, ca. 1909

Spring Garden water testing lab, 1901

Bureau of Water Spring Garden Testing Station, 1901

Photo of a woman looking at a jar of raw, untreated sewage

Jar of raw sewage before treatment, 2000

City officials tour new interceptor sewer, 1953

Photo of Allegheny Avenue Sewer, Pier 126, Delaware River, July 15, 1918

Allegheny Avenue Sewer at Pier 126, 1918

Spring Garden Sewage Experiment Station, used to test water filtration methods

Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911

A list of rules governing the sanitary maintenance of privy vaults in Philadelphia in 1915

Privy Regulations

Two bottles of water from a river, one dark with pollution and one clear after filtration

Water Before and After Roxborough

Two black-and-white photographs of pipeline construction on State Road. Depicted are a group of people, trees, buildings, a fire hydrant and a grid of boards over the pipes.

State Road triple pipeline construction, 1904

Black-and-white photograph showing the completed Upper Roxborough Filter system. Vaulted concrete ceiling with beds of filter sand.

Upper Roxborough Filter Beds Complete, 1903