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Streamflow Measurements for the Nation
Streamflow measurement pages will be decommissioned in early 2026.
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| HTML table with channel data |
| HTML table without channel data |
| Tab-separated data with channel data |
| Tab-separated data without channel data |
| Graph of data |
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| Meas. Number |
Date Time | Time Datum |
Measurement Used? |
Who | Measuring Agency |
Stream flow (ft3/s) |
Gage Height (ft) |
GH Change (ft) |
Meas. Duration (hr) |
Meas. Rated |
Control | Flow Adjust. Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 1977-08-25 10:40 | CST | Yes | Pil/Che | USGS | 41.1 | 6.39 | 0.00 | 0.80 | Fair | NONE | |
| 5 | 1977-07-05 13:00 | CST | Yes | Che/Mau | USGS | 24.1 | 5.94 | 0.00 | 0.80 | Poor | NONE | |
| 4 | 1977-04-07 14:00 | CST | Yes | Nyb/Pil | USGS | 403 | 16.62 | 0.00 | 0.80 | Poor | Clear | NONE |
| 3 | 1976-03-31 10:40 | CST | Yes | Pil/Nyb | USGS | 1230 | 15.25 | -0.02 | 1.20 | Good | Clear | NONE |
| 2 | 1976-02-27 12:15 | CST | Yes | Pil/Mau | USGS | 172 | 8.41 | -0.02 | 1.30 | Good | Clear | NONE |
| 1 | 1975-12-22 14:30 | CST | Yes | Mau/Pil | USGS | 90.9 | 7.47 | 0.03 | 1.00 | Unspecified | Clear | NONE |
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL:
Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2025-12-10 09:00:03 EST
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