USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

204818156062501 Koolau Ditch .27 mi DS Makapipi tunnel, Maui, HI

Maui County, Hawaii

Hydrologic Unit Code 20020000

Latitude 20°48'18.3", Longitude 156°06'24.9" NAD83

Gage datum 1,306 feet above LMSL

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

Page Contact Information: Hawaii Water Data Support Team
Page Last Modified: 2025-09-22 10:53:02 EDT
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