Chicago River at Columbus Drive at Chicago, IL
USGS Site No: 05536123 • Chicago River • Cook County, IL
Chicago River at Columbus Drive at Chicago, IL on the Chicago River is currently at 524 cfs (Very High — 95th percentile for this date) . Gage height: -2.16 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 129 | |
| 25th | Low threshold | 174 | |
| 50th (Median) | Normal (median) | 317 | |
| 75th | High threshold | 456 | |
| 95th | Very High threshold | 0 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | — | -1.98 |
| May 27, 2026 | — | -2.06 |
| May 26, 2026 | — | -2.06 |
| May 25, 2026 | — | -1.99 |
| May 24, 2026 | — | -2.19 |
| May 23, 2026 | — | -2.01 |
| May 22, 2026 | — | -2.12 |
| May 21, 2026 | — | -2.09 |
| May 20, 2026 | — | -2.07 |
| May 19, 2026 | — | -2.48 |
| May 18, 2026 | — | -2.47 |
| May 17, 2026 | — | -2.13 |
| May 16, 2026 | — | -2.33 |
| May 15, 2026 | — | -2.00 |
| Apr 20, 2026 | — | -1.97 |
| Apr 19, 2026 | — | -1.81 |
| Apr 18, 2026 | — | -2.55 |
| Apr 17, 2026 | — | -2.35 |
| Apr 16, 2026 | — | -2.36 |
| Apr 15, 2026 | — | -2.88 |
| Apr 14, 2026 | — | -2.59 |
| Apr 13, 2026 | — | -2.02 |
| Apr 12, 2026 | — | -2.20 |
| Apr 11, 2026 | — | -2.04 |
| Apr 10, 2026 | — | -2.54 |
| Apr 9, 2026 | — | -2.33 |
| Apr 8, 2026 | — | -1.89 |
| Apr 7, 2026 | — | -2.18 |
| Apr 6, 2026 | — | -2.05 |
| Apr 5, 2026 | — | -2.42 |
Station Information
- USGS Site No
- 05536123
- State
- IL
- County
- Cook County
- Coordinates
- 41.8884, -87.6212
- Datum (ft)
- 579.2
- HUC Code
- 07120003
Flood Stage Thresholds
- Action Stage
- 1.0 ft
- Flood Stage
- 3.0 ft
- Moderate Flood
- 4.0 ft
- Major Flood
- 5.0 ft
Currently 5.16 ft below flood stage.
Nearby Gauges
-
Nb Chicago River at Grand Avenue at Chicago, ILLow1.1 mi · 425 cfs
-
Nb Chicago River at North Pulaski Road at Chicago, ILNormal8.1 mi · 32 cfs
-
Des Plaines River at Riverside, ILNormal11.3 mi · 263 cfs
-
North Branch Chicago River at Niles, ILNormal12.4 mi · 38 cfs
-
Addison Creek at Bellwood, ILLow12.8 mi · 4 cfs