North River Near Norwalk, IA

USGS Site No: 05486000North River • Warren County, IA

North River Near Norwalk, IA on the North River is currently at 244 cfs (Normal — 56th percentile for this date) . Gage height: 7.50 ft.

Reading from

244
CFS Discharge
7.50
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 11
25th Low threshold 58
50th (Median) Normal (median) 177
75th High threshold 465 Today: 244 cfs
95th Very High threshold 3,000

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.

3.5k 1.7k 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 264
May 27, 2026 278
May 26, 2026 311
May 25, 2026 350
May 24, 2026 395
May 23, 2026 463
May 22, 2026 535
May 21, 2026 682
May 20, 2026 1,110
May 19, 2026 973
May 18, 2026 268
May 17, 2026 217
May 16, 2026 212
May 15, 2026 199
Apr 20, 2026 577
Apr 19, 2026 694
Apr 18, 2026 905
Apr 17, 2026 1,380
Apr 16, 2026 1,990
Apr 15, 2026 1,410
Apr 14, 2026 670
Apr 13, 2026 794
Apr 12, 2026 983
Apr 11, 2026 1,620
Apr 10, 2026 1,420
Apr 9, 2026 413
Apr 8, 2026 401
Apr 7, 2026 470
Apr 6, 2026 605
Apr 5, 2026 845

Station Information

USGS Site No
05486000
State
IA
County
Warren County
Coordinates
41.4581, -93.6550
Drainage Area
349 mi²
Datum (ft)
788.1
HUC Code
07100008
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
17.0 ft
Flood Stage
22.0 ft
Moderate Flood
25.0 ft
Major Flood
26.0 ft

Currently 14.50 ft below flood stage.

Recent Extremes

Max discharge
2,790 cfs
Jul 13, 2025
Min discharge
11 cfs
Jan 28, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges