Sawyer Water Purification Plant

The Sawyer Water Purification Plant,[1] formerly the South Water Purification Plant, is the first water filtration plant built in the City of Chicago. When completed in 1947, it was the largest such plant in the world.[2]

  1. ^ "Chicago Water Department". City of Chicago. 2019. Retrieved February 6, 2019.
  2. ^ Cite error: The named reference Encyclopedia2004 was invoked but never defined (see the help page).