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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 50131990 RIO GUANAJIBO AT HWY 119 AT SAN GERMAN, PR

San German Municipio, Puerto Rico
Hydrologic Unit Code 21010003
Latitude  18°05'05.15", Longitude  67°01'57.36" NAD27
Drainage area 35.4  square miles
Gage datum 147.6 feet above NGVD29

Period of record
Begin Date End Date Count
1991-05-18 2014-06-04 194

 
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