Raw sewage consists of 99.9% clean water and 0.1% solids, as demonstrated by laboratory samples at Stickney.
factualpending
Speaker
Laboratory technicianEvidence Quote
“It's a mixture of 99.9% clean water and then all the solids that are in there.”
Source
How Chicago Cleans 1.4 Billion Gallons Of Wastewater Every Day | Deep Cleaned | Insider— InsiderCreated: 8/10/2026, 10:46:36 PM
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