Hydrohistorian
Cincinnati water works, filtration plant
Library of Congress · 1900-1910 · Detroit Publishing Co.
Library of Congress, Prints & Photographs Division, Detroit Publishing Company Collection, LC-DIG-det-4a23300 No known restrictions on publication. Archive record ↗ · Rights
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A filtration plant when filtration was new. American cities built these in a rush after the bacteriological case for them was settled, and typhoid death rates fell behind them.
Shows: The works that stand between a river and a tap, at the moment they became standard.
What this does not let you conclude: Anything about the water quality reported beside it. The sampling and the standards on these pages are modern; this is the infrastructure those standards were later written for. The Library dates the negative '[between 1900 and 1910]' -- a range, not a year.
Placed on
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The archive’s record page
The archive’s record did not answer our check on 2026-10-12 (refused automated check, HTTP 403). Our copy above is unaffected; the credit stands. A person will look.