Edwards River Near New Boston, IL

USGS Site No: 05466500Edwards River • Mercer County, IL

Edwards River Near New Boston, IL on the Edwards River is currently at 152 cfs (Normal — 29th percentile for this date) . Gage height: 13.23 ft.

Reading from

152
CFS Discharge
13.23
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 55
25th Low threshold 130
50th (Median) Normal (median) 267 Today: 152 cfs
75th High threshold 518
95th Very High threshold 1,630

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.

2.9k 1.4k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 162 13.30
May 27, 2026 168 13.35
May 26, 2026 179 13.43
May 25, 2026 184 13.47
May 24, 2026 192 13.52
May 23, 2026 197 13.56
May 22, 2026 199 13.58
May 21, 2026 212 13.66
May 20, 2026 238 13.83
May 19, 2026 254 13.93
May 18, 2026 214 13.68
May 17, 2026 226 13.75
May 16, 2026 220 13.71
May 15, 2026 207 13.63
Apr 21, 2026 16.25
Apr 20, 2026 980 16.85
Apr 19, 2026 1,390 18.26
Apr 18, 2026 985 16.83
Apr 17, 2026 797 16.13
Apr 16, 2026 743 15.90
Apr 15, 2026 700 15.71
Apr 14, 2026 714 15.78
Apr 13, 2026 736 15.87
Apr 12, 2026 765 15.99
Apr 11, 2026 821 16.22
Apr 10, 2026 777 16.04
Apr 9, 2026 789 16.09
Apr 8, 2026 882 16.47
Apr 7, 2026 1,040 17.08
Apr 6, 2026 1,370 18.21

Station Information

USGS Site No
05466500
State
IL
County
Mercer County
Coordinates
41.1870, -90.9674
Drainage Area
445 mi²
Datum (ft)
529.1
HUC Code
07080104
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
15.0 ft
Flood Stage
17.0 ft

Currently 3.77 ft below flood stage.

Recent Extremes

Max discharge
2,010 cfs
Apr 5, 2026
Min discharge
24 cfs
Oct 6, 2025
Days at flood stage
8

Computed from the local daily-values archive.

Nearby Gauges