U.S. Army Corps of
Engineers
Metropolitan Water
Reclamation District of Greater Chicago
| Min (2025) | Most Recent Instantaneous Value Feb 22 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2018) |
|---|---|---|---|---|---|---|
| 1460 | 1740 | 2420 | 3060 | 4570 | 5130 | 20400 |
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [HACH] |
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