Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • 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


16848100 Almagosa River near Agat, Guam
Guam, Guam
Hydrologic Unit Code 22010000
Latitude  13°20'48.2", Longitude -144°41'43.8" NAD83
Drainage area 1.32  square miles
Gage datum 155 feet above LMSL
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
Graph of streamflow measurement data at USGS 16848100 Almagosa River near Agat, Guam
Download a presentation-quality graph