USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 16807200 Agana River at Agana, Guam

Guam, Guam

Hydrologic Unit Code 22010000

Latitude 13°28'30.14", Longitude -144°45'19.7" NAD83

Drainage area 8.68 square miles

Gage datum 3 feet above LMSL

Water Year	Date	Stream- flow (cfs)
1985	1985-09-06	600²
1986	1986-07-04	450²
1987	1986-12-27	300²
1988	1988-01-12	130²
1989	1989-09-11	100²
2002	2002-07-05	1,720⁷

Peak Streamflow Qualification Codes.

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

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-09 15:05:50 EDT
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