Bureau of Water Spring Garden Testing Station, 1901 A look at the Philadelphia Water Department's Spring Garden testing lab on December 23, 1901. Water Supply A laboratory in the Philadelphia Water Department’s Spring Garden Testing Station, 1901, where experiments on water filtration were conducted. Date Created December 23, 1901 Item Type ImagePhotograph Publisher Philadelphia Water Department Topic Water Supply Subjects LaboratoryPublic HealthScienceWater SupplyWater Treatment Keyword Spring Garden Pumping Station Temporal Coverage December 23, 1901 (Known) 1900-1910 Neighborhood Spring Garden Place Philadelphia Format (Medium) Negative, Glass-plate File Size532 kbImage Dimensions2560 x 2046 px Identifier1986.002.0381 Collection Philadelphia Water Department Rights Holder Philadelphia Water Department