USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Rio Grande Municipio, Puerto Rico

Hydrologic Unit Code 21010005

Latitude 18°20'43.47", Longitude 65°50'31.14" NAD27

Drainage area 7.31 square miles

Gage datum 131 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1981-05-20	2024-12-02	290

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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: Puerto Rico Water Data Support Team
Page Last Modified: 2024-12-27 08:15:22 EST
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