Des Plaines River at Riverside, IL

USGS Site No: 05532500Des Plaines River • Cook County, IL

Des Plaines River at Riverside, IL on the Des Plaines River is currently at 263 cfs (Normal — 32th percentile for this date) . Gage height: 1.97 ft.

Reading from

263
CFS Discharge
1.97
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

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 98
25th Low threshold 191
50th (Median) Normal (median) 457 Today: 263 cfs
75th High threshold 990
95th Very High threshold 2,510

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.

4.8k 2.4k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 316 2.13
May 27, 2026 363 2.26
May 26, 2026 458 2.49
May 25, 2026 626 2.83
May 24, 2026 559 2.63
May 23, 2026 277 2.01
May 22, 2026 276 2.01
May 21, 2026 313 2.12
May 20, 2026 387 2.32
May 19, 2026 509 2.60
May 18, 2026 363 2.25
May 17, 2026 302 2.09
May 16, 2026 291 2.06
May 15, 2026 306 2.10
Apr 20, 2026 4,370 7.02
Apr 19, 2026 4,460 7.08
Apr 18, 2026 4,410 7.05
Apr 17, 2026 4,100 6.78
Apr 16, 2026 4,130 6.81
Apr 15, 2026 3,280 5.94
Apr 14, 2026 1,850 4.49
Apr 13, 2026 2,000 4.66
Apr 12, 2026 2,150 4.82
Apr 11, 2026 2,360 5.02
Apr 10, 2026 2,360 5.02
Apr 9, 2026 2,220 4.89
Apr 8, 2026 2,260 4.93
Apr 7, 2026 2,530 5.18
Apr 6, 2026 2,860 5.49
Apr 5, 2026 3,170 5.81

Station Information

USGS Site No
05532500
State
IL
County
Cook County
Coordinates
41.8215, -87.8220
Drainage Area
630 mi²
Datum (ft)
594.4
HUC Code
07120004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
7.0 ft
Flood Stage
7.5 ft
Moderate Flood
8.0 ft
Major Flood
9.0 ft

Currently 5.53 ft below flood stage.

Recent Extremes

Max discharge
4,460 cfs
Apr 19, 2026
Min discharge
119 cfs
Oct 5, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges