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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 12501000 SF AHTANUM CREEK AT CONRAD RANCH NR TAMPICO, WA
Yakima County, Washington
Hydrologic Unit Code 17030003
Latitude  46°30'40", Longitude 120°54'55" NAD27
Drainage area 24.80  square miles
Gage datum 2,400.00 feet above NGVD29
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
162015-09-16 10:30PDTYesWGLUSGS5.76 PoorClearNONE
152015-08-05 10:04PDTYesWGLUSGS7.18 PoorDebrisModerateNONE
14M1980-06-11 -- ----YesADMUSGS31.0 Unspecified NONE
13M1980-03-29 -- ----YesADMUSGS26.0 Unspecified NONE
12M1924-04-24 -- ----YesADMUSGS21.0 Unspecified NONE
11M1924-04-21 -- ----YesADMUSGS18.0 Unspecified NONE
10M1923-10-18 -- ----YesADMUSGS8.90 Unspecified NONE
9M1920-03-28 -- ----YesADMUSGS11.0 Unspecified NONE
8M1920-03-28 -- ----YesADMUSGS10.0 Unspecified NONE
7M1918-04-14 23:00PSTYesADMUSGS27.0 Unspecified NONE
6M1917-12-16 -- ----YesADMUSGS11.0 Unspecified NONE
5M1917-03-05 -- ----YesADMUSGS6.80 Unspecified NONE
4M1916-05-08 -- ----YesADMUSGS85.0 Unspecified NONE
3M1915-11-13 -- ----YesADMUSGS5.10 Unspecified NONE
2M1915-03-16 -- ----YesADMUSGS33.0 Unspecified NONE
1M1907-08-15 -- ----YesADMUSGS16.0 Unspecified NONE