North River Near Norwalk, IA

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

North River Near Norwalk, IA on the North River is currently at 244 cfs (High — 85th percentile for this date) . Gage height: 7.50 ft.

Reading from

244
CFS Discharge
7.50
Gage Height (ft)
High
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 1
25th Low threshold 6
50th (Median) Normal (median) 20
75th High threshold 73
95th Very High threshold 413 Today: 244 cfs

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