How high is the Sawmill Creek Near Lemont, IL right now?

The Sawmill Creek Near Lemont, IL is currently flowing at 1 cubic feet per second with a gage height of 8.18 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Sawmill Creek Near Lemont, IL normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 16th percentile compared to the long-term historical record at this gauge.

Is the Sawmill Creek Near Lemont, IL at flood stage?

No — the gage height is 5.82 feet below the NWS flood-stage threshold of 14.0 feet.

What is the historical median flow for the Sawmill Creek Near Lemont, IL on June 11?

The long-term median discharge for this date is 4 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to 90 cfs.

Where is the Sawmill Creek Near Lemont, IL stream gauge located?

The Sawmill Creek Near Lemont, IL stream gauge is operated by the USGS in DuPage County, IL on the Sawmill Creek. USGS site number 05533400 (coordinates 41.7078, -87.9628).

Sawmill Creek Near Lemont, IL

USGS Site No: 05533400 • Sawmill Creek • DuPage County, IL

Sawmill Creek Near Lemont, IL on the Sawmill Creek is currently at 1 cfs (Low — 16th percentile for this date) . Gage height: 8.18 ft.

Reading from 1 week ago

CFS Discharge

8.18

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	2	Today: 1 cfs
50th (Median)	Normal (median)	4
75th	High threshold	24
95th	Very High threshold	90

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	2	8.29
May 27, 2026	3	8.34
May 26, 2026	4	8.44
May 25, 2026	6	8.60
May 24, 2026	16	8.76
May 23, 2026	1	8.19
May 22, 2026	1	8.21
May 21, 2026	1	8.25
May 20, 2026	2	8.33
May 19, 2026	4	8.47
May 18, 2026	7	8.50
May 17, 2026	1	8.24
May 16, 2026	2	8.27
May 15, 2026	2	8.27
Apr 20, 2026	15	8.90
Apr 19, 2026	25	9.10
Apr 18, 2026	111	9.84
Apr 17, 2026	35	9.02
Apr 16, 2026	24	9.07
Apr 15, 2026	26	9.10
Apr 14, 2026	11	8.77
Apr 13, 2026	16	8.91
Apr 12, 2026	10	8.75
Apr 11, 2026	12	8.81
Apr 10, 2026	20	8.98
Apr 9, 2026	11	8.78
Apr 8, 2026	14	8.87
Apr 7, 2026	19	8.98
Apr 6, 2026	29	9.17
Apr 5, 2026	48	9.42

Station Information

USGS Site No: 05533400
State: IL
County: DuPage County
Coordinates: 41.7078, -87.9628
Drainage Area: 13 mi²
Datum (ft): 629.7
HUC Code: 07120004

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.5 ft
Flood Stage: 14.0 ft
Moderate Flood: 16.0 ft
Major Flood: 20.0 ft

Currently 5.82 ft below flood stage.

Recent Extremes

Max discharge: 308 cfs

Jul 25, 2025
Min discharge: 0 cfs

Oct 6, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Chicago Sanitary And Ship Canal near Lemont, IL
1.1 mi · 1,300 cfs

Very Low
Flag Creek Near Willow Springs, IL
4.0 mi · 12 cfs

Normal
Des Plaines River Near Lemont, IL
4.2 mi · 452 cfs

Normal
Long Run Near Lemont, IL
4.9 mi · 3 cfs

Low
Chicago Sanitary And Ship Canal at Romeoville, IL
6.9 mi · 0 cfs

Unknown