USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 12501500 SOUTH FORK AHTANUM CREEK NEAR TAMPICO, WA

Yakima County, Washington

Hydrologic Unit Code 17030003

Latitude 46°31'10", Longitude 120°53'20" NAD27

Drainage area 28.50 square miles

Gage datum 2,200.00 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1910	1910-03-02		362¹
1911	1911-06-13		113¹
1912	1912-05-20	3.85³	74.0
1913	1913-05-28	4.50³	153
1914	1914-05-16	4.05³	158

Peak Gage-Height Qualification Codes.

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: 2025-07-17 11:36:18 EDT
0.29 0.29 nadww02