Wailuku River at Iao Valley Road, Maui, HI

USGS Site No: 16605500Wailuku River • Maui County, HI

Wailuku River at Iao Valley Road, Maui, HI on the Wailuku River is currently at 0 cfs (Unknown) . Gage height: 10.24 ft.

Reading from

0
CFS Discharge
10.24
Gage Height (ft)
Unknown
Flow Condition
N/A
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 0
50th (Median) Normal (median) 19
75th High threshold 0
95th Very High threshold 0

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 1.8k 0 cfs Feb 14 Mar 15
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Mar 15, 2026 3,280
Mar 14, 2026 3,250
Mar 13, 2026 1,160
Mar 12, 2026 389
Mar 11, 2026 56
Mar 10, 2026 2
Mar 9, 2026 3
Mar 8, 2026 3
Mar 7, 2026 4
Mar 6, 2026 5
Mar 5, 2026 6
Mar 4, 2026 10
Mar 3, 2026 22
Mar 2, 2026 8
Mar 1, 2026 11
Feb 28, 2026 16
Feb 27, 2026 27
Feb 26, 2026 53
Feb 25, 2026 273
Feb 24, 2026 409
Feb 23, 2026 581
Feb 22, 2026 21
Feb 21, 2026 46
Feb 20, 2026 86
Feb 19, 2026 8
Feb 18, 2026 12
Feb 17, 2026 33
Feb 16, 2026 94
Feb 15, 2026 56
Feb 14, 2026 43

Station Information

USGS Site No
16605500
State
HI
County
Maui County
Coordinates
20.8830, -156.5338
Drainage Area
7 mi²
Datum (ft)
663.0
HUC Code
20020000
View on USGS NWIS →

Recent Extremes

Max discharge
3,280 cfs
Mar 15, 2026
Min discharge
0 cfs
Oct 14, 2025

Computed from the local daily-values archive.