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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 1957-07-18 -- -- | -- | Yes | LGB | USGS | 19.1 | 0.00 | 0.50 | Good | Clear | NONE | |
| 9 | 1954-10-12 -- -- | -- | Yes | GDB/GMA | USGS | 286 | -0.10 | 1.30 | Good | NONE | ||
| 8 | 1954-10-11 -- -- | -- | Yes | GDB/GMA | USGS | 393 | -0.03 | 4.00 | Good | NONE | ||
| 7 | 1954-04-25 -- -- | -- | Yes | B | USGS | 98.7 | 0.03 | 0.50 | Good | NONE | ||
| 6 | 1954-03-26 -- -- | -- | Yes | B | USGS | 83.7 | -0.02 | 0.50 | Good | NONE | ||
| 5 | 1952-04-14 -- -- | -- | Yes | W | USGS | 58.6 | -0.02 | 0.60 | Good | NONE | ||
| 4 | 1951-05-11 -- -- | -- | Yes | GJB | USGS | 330 | -0.10 | 1.20 | Good | NONE | ||
| 3 | 1950-06-02 -- -- | -- | Yes | CG | USGS | 154 | -0.03 | 1.20 | Good | NONE | ||
| 2 | 1950-04-26 -- -- | -- | Yes | CG | USGS | 70.9 | -0.05 | 1.20 | Good | NONE | ||
| 1 | 1950-03-13 -- -- | -- | Yes | EAB/CG | USGS | 24.0 | -0.10 | 1.60 | Fair | 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: 2025-12-22 03:37:34 EST
0.52 0.5 vaww01