Wailuku River at Iao Valley Road, Maui, HI
USGS Site No: 16605500 • Wailuku 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
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.
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
Recent Extremes
- Max discharge
-
3,280 cfsMar 15, 2026
- Min discharge
-
0 cfsOct 14, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Wailuku River at Kepaniwai Park, Maui, HIHigh0.4 mi · 58 cfs
-
Waihee Rv above Waihee Dtch Intk near Waihee, Maui, HINormal3.7 mi · 51 cfs
-
Ukumehame Gulch near Olowalu, Maui, HINormal5.5 mi · 6 cfs
-
Kauaula Stream Us Of Ditch Diversion, Maui, HINormal5.7 mi · 9 cfs
-
Kauaula Stream Ds Of Ditch Diversion, Maui, HIUnknown5.8 mi · 0 cfs