USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 16605500 Wailuku River at Iao Valley Road, Maui, HI

Hydrologic Unit Code 20020000

Latitude 20°52'58.7", Longitude 156°32'01.8" NAD83

Drainage area 6.59 square miles

Gage datum 663 feet above LMSL

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2018	2017-12-20	9.91
2019	2019-02-14	9.12
2020	2019-12-25	6.73²	1,340²
2021	2021-01-18	8.12	2,020²

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-02-16 06:34:58 EST
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