How high is the Spoon River at London Mills, IL right now?

The Spoon River at London Mills, IL is currently flowing at 335 cubic feet per second with a gage height of 3.05 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Spoon River at London Mills, IL normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 26th percentile compared to the long-term historical record at this gauge.

Is the Spoon River at London Mills, IL at flood stage?

No — the gage height is 11.95 feet below the NWS flood-stage threshold of 15.0 feet.

What is the historical median flow for the Spoon River at London Mills, IL on June 11?

The long-term median discharge for this date is 632 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 117 to 2,930 cfs.

Where is the Spoon River at London Mills, IL stream gauge located?

The Spoon River at London Mills, IL stream gauge is operated by the USGS in Fulton County, IL on the Spoon River. USGS site number 05569500 (coordinates 40.7077, -90.2798).

Spoon River at London Mills, IL

USGS Site No: 05569500 • Spoon River • Fulton County, IL

Spoon River at London Mills, IL on the Spoon River is currently at 335 cfs (Normal — 26th percentile for this date) . Gage height: 3.05 ft.

Reading from 1 week ago

↑ Upstream on Spoon River

Spoon River Near St. Joseph, IL

Downstream on Spoon River ↓

Spoon River at Seville, IL

335

CFS Discharge

3.05

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	117
25th	Low threshold	323
50th (Median)	Normal (median)	632	Today: 335 cfs
75th	High threshold	1,310
95th	Very High threshold	2,930

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	363	3.16
May 27, 2026	383	3.23
May 26, 2026	414	3.34
May 25, 2026	435	3.41
May 24, 2026	443	3.44
May 23, 2026	435	3.41
May 22, 2026	445	3.45
May 21, 2026	487	3.61
May 20, 2026	554	3.85
May 19, 2026	551	3.84
May 18, 2026	570	3.91
May 17, 2026	515	3.71
May 16, 2026	471	3.55
May 15, 2026	473	3.55
Apr 20, 2026	3,180	10.02
Apr 19, 2026	4,850	12.94
Apr 18, 2026	4,360	11.94
Apr 17, 2026	1,560	6.65
Apr 16, 2026	1,140	5.60
Apr 15, 2026	940	5.07
Apr 14, 2026	995	5.22
Apr 13, 2026	1,050	5.37
Apr 12, 2026	1,080	5.44
Apr 11, 2026	1,190	5.74
Apr 10, 2026	1,340	6.11
Apr 9, 2026	1,520	6.56
Apr 8, 2026	1,770	7.15
Apr 7, 2026	2,210	8.12
Apr 6, 2026	3,050	9.80
Apr 5, 2026	4,430	12.24

Station Information

USGS Site No: 05569500
State: IL
County: Fulton County
Coordinates: 40.7077, -90.2798
Drainage Area: 1,072 mi²
Datum (ft): 508.6
HUC Code: 07130005

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 15.0 ft
Moderate Flood: 21.0 ft
Major Flood: 24.0 ft

Currently 11.95 ft below flood stage.

Recent Extremes

Max discharge: 4,890 cfs

Apr 4, 2026
Min discharge: 30 cfs

Feb 9, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Spoon River at Seville, IL
15.4 mi · 486 cfs

Normal
Kickapoo Creek Near Kickapoo, IL
25.9 mi

Unknown
Illinois River at Kingston Mines, IL
28.4 mi · 10,300 cfs

Normal
Indian Creek Near Wyoming, IL
31.6 mi · 27 cfs

Normal
Cedar Creek at Little York, IL
32.3 mi

Unknown