Is the flow on the Des Plaines River at Algonquin Road at Des Plaines, IL normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 13th percentile compared to the long-term historical record at this gauge.

Is the Des Plaines River at Algonquin Road at Des Plaines, IL at flood stage?

No — the gage height is 5.31 feet below the NWS flood-stage threshold of 13.0 feet.

What is the historical median flow for the Des Plaines River at Algonquin Road at Des Plaines, IL on June 11?

The long-term median discharge for this date is 283 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to unavailable cfs.

Where is the Des Plaines River at Algonquin Road at Des Plaines, IL stream gauge located?

The Des Plaines River at Algonquin Road at Des Plaines, IL stream gauge is operated by the USGS in Cook County, IL on the Des Plaines River. USGS site number 05530100 (coordinates 42.0317, -87.8781).

Des Plaines River at Algonquin Road at Des Plaines, IL

USGS Site No: 05530100 • Des Plaines River • Cook County, IL

Des Plaines River at Algonquin Road at Des Plaines, IL on the Des Plaines River is currently at 17 cfs (Low — 13th percentile for this date) . Gage height: 7.69 ft.

Reading from 1 week ago

↑ Upstream on Des Plaines River

Des Plaines River Near Des Plaines, IL

Downstream on Des Plaines River ↓

Des Plaines River at Riverside, IL

CFS Discharge

7.69

Gage Height (ft)

Low

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	0
25th	Low threshold	83	Today: 17 cfs
50th (Median)	Normal (median)	283
75th	High threshold	368
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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	37	7.86
May 27, 2026	59	8.02
May 26, 2026	78	8.16
May 25, 2026	137	8.54
May 24, 2026	110	8.32
May 23, 2026	13	7.65
May 22, 2026	20	7.72
May 21, 2026	31	7.81
May 20, 2026	42	7.90
May 19, 2026	69	8.10
May 18, 2026	84	8.18
May 17, 2026	44	7.92
May 16, 2026	44	7.91
May 15, 2026	46	7.93
Apr 20, 2026	3,520	17.89
Apr 19, 2026	3,430	17.71
Apr 18, 2026	3,210	17.30
Apr 17, 2026	2,800	16.48
Apr 16, 2026	2,740	16.36
Apr 15, 2026	2,580	16.01
Apr 14, 2026	1,380	13.06
Apr 13, 2026	1,460	13.31
Apr 12, 2026	1,650	13.84
Apr 11, 2026	1,870	14.39
Apr 10, 2026	1,960	14.60
Apr 9, 2026	1,880	14.39
Apr 8, 2026	1,870	14.34
Apr 7, 2026	1,850	14.28
Apr 6, 2026	1,860	14.28
Apr 5, 2026	1,900	14.36

Station Information

USGS Site No: 05530100
State: IL
County: Cook County
Coordinates: 42.0317, -87.8781
Drainage Area: 404 mi²
Datum (ft): 610.2
HUC Code: 07120004

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.5 ft
Flood Stage: 13.0 ft
Moderate Flood: 18.0 ft
Major Flood: 20.0 ft

Currently 5.31 ft below flood stage.

Recent Extremes

Max discharge: 3,520 cfs

Apr 20, 2026
Min discharge: 13 cfs

May 23, 2026
Days at flood stage: 21

Computed from the local daily-values archive.

Nearby Gauges

Weller Creek at Des Plaines, IL
2.4 mi · 1 cfs

Normal
Des Plaines River Near Des Plaines, IL
3.9 mi · 286 cfs

Normal
North Branch Chicago River at Niles, IL
4.4 mi · 38 cfs

Normal
Mc Donald Creek Near Mount Prospect, IL
4.7 mi · 2 cfs

Normal
Salt Creek at Elk Grove Village, IL
6.5 mi · 43 cfs

Normal