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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 34 | 1955-12-06 -- -- | -- | Yes | BEN/PIL | USGS | 0.01 | Unspecified | IceCover | NONE | |||
| 33 | 1955-02-14 -- -- | -- | Yes | CHB | USGS | 0.01 | Unspecified | NONE | ||||
| 32 | 1955-02-07 -- -- | -- | Yes | CHB | USGS | 0.02 | Unspecified | NONE | ||||
| 31 | 1955-01-24 -- -- | -- | No | |||||||||
| 30 | 1954-12-27 -- -- | -- | No | |||||||||
| 29 | 1954-11-29 -- -- | -- | No | |||||||||
| 28 | 1954-10-19 -- -- | -- | No | |||||||||
| 27 | 1954-08-18 -- -- | -- | No | |||||||||
| 26 | 1954-07-20 -- -- | -- | No | |||||||||
| 25 | 1954-06-15 -- -- | -- | No | |||||||||
| 24 | 1954-05-11 -- -- | -- | No | |||||||||
| 23 | 1953-04-24 -- -- | -- | Yes | S | USGS | 0.13 | 1.88 | 0.00 | 0.00 | Poor | Clear | NONE |
| 22 | 1951-02-20 -- -- | -- | Yes | FSS | USGS | 32.0 | 0.08 | 1.00 | Good | Clear | NONE | |
| 21 | 1951-02-20 -- -- | -- | Yes | FSS | USGS | 200 | 0.30 | 1.10 | Good | Clear | NONE | |
| 20 | 1949-10-22 -- -- | -- | Yes | FSS | USGS | 37.4 | 2.76 | -0.02 | 0.40 | Good | Clear | NONE |
| 19 | 1949-01-10 -- -- | -- | Yes | W | USGS | 50.8 | 2.98 | 0.04 | 0.30 | Good | NONE | |
| 18 | 1943-06-29 -- -- | -- | Yes | KMO | USGS | 15.0 | 10.87 | Unspecified | NONE | |||
| 17 | 1943-05-18 -- -- | -- | Yes | JHO | USGS | 56.6 | 3.08 | -0.03 | 1.20 | Good | Clear | NONE |
| 16 | 1942-07-01 -- -- | -- | Yes | M | USGS | 0.19 | 1.84 | 0.00 | 0.30 | Good | Clear | NONE |
| 15 | 1942-06-29 -- -- | -- | Yes | M | USGS | 2.16 | 2.04 | 0.00 | 0.30 | Good | Clear | NONE |
| 14 | 1942-06-28 -- -- | -- | Yes | H | USGS | 9.89 | 2.34 | 0.00 | 0.50 | Good | Clear | NONE |
| 13 | 1942-06-27 13:05 | CST | Yes | H | USGS | 29.0 | 2.67 | -0.02 | 0.70 | Good | Clear | NONE |
| 12 | 1942-06-27 09:44 | CST | Yes | H | USGS | 36.2 | 2.75 | -0.01 | 0.20 | Good | Clear | NONE |
| 11 | 1942-06-27 08:40 | CST | Yes | H | USGS | 44.6 | 2.83 | -0.08 | 1.30 | Good | Clear | NONE |
| 10 | 1942-06-26 10:00 | CST | No | |||||||||
| 9 | 1942-06-26 -- -- | -- | Yes | H | USGS | 128 | 3.27 | -0.11 | 1.30 | Fair | DebrisLight | NONE |
| 8 | 1939-04-10 -- -- | -- | Yes | M | USGS | 2.71 | 1.88 | 0.00 | 0.20 | Unspecified | Clear | NONE |
| 7 | 1935-05-23 -- -- | -- | Yes | LCC | USGS | 88.7 | 2.87 | -0.08 | 0.80 | Good | Clear | NONE |
| 6 | 1935-05-16 -- -- | -- | Yes | LCC | USGS | 16.5 | 2.16 | -0.01 | 0.40 | Good | Clear | NONE |
| 5 | 1935-05-15 -- -- | -- | Yes | LCC | USGS | 20.3 | 2.26 | -0.02 | 0.50 | Good | Clear | NONE |
| 4 | 1935-05-15 -- -- | -- | Yes | LCC | USGS | 46.6 | 2.49 | -0.04 | 0.70 | Good | Clear | NONE |
| 3 | 1935-05-14 -- -- | -- | Yes | LCC | USGS | 202 | 4.09 | -0.15 | 1.00 | Excellent | Clear | NONE |
| 2 | 1933-05-24 -- -- | -- | Yes | H /C | USGS | 0.15 | 0.80 | Unspecified | Clear | NONE | ||
| 1 | 1933-04-04 -- -- | -- | Yes | LCC | USGS | 4.14 | 1.59 | 0.00 | 0.20 | Good | 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 05:45:32 EST
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