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

204812156061401 Koolau Ditch at Makapipi tunnel, Maui, HI

Maui County, Hawaii

Hydrologic Unit Code 20020000

Latitude 20°48'12.0", Longitude 156°06'13.8" NAD83

Gage datum 1,290 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 14:08:13 EDT
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