The original water pumping station drew from the Spokane river near downtown, on what was called "the little island" at the time.
This file appears in: James Liston: The man who made the city water flow

Detail from page 2 of the Sanborn Fire Insurance Map from Spokane, Spokane County, Washington. Sanborn Map Company, 1891. Map. https://www.loc.gov/item/sanborn09331_005/.
This file appears in: James Liston: The man who made the city water flow
James Liston: The man who made the city water flow
"When the Well’s dry, we know the Worth of Water." - Benjamin Franklin (Poor Richard's Almanac, 1746)