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Streamflow Measurements for Washington

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! 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 12185500 SOUTH FORK SAUK RIVER NEAR BARLOW PASS, WA
Snohomish County, Washington
Hydrologic Unit Code 17110006
Latitude  48°03'45", Longitude 121°24'20" NAD27
Drainage area 33.10  square miles
Gage datum 1,550.00 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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
3M1931-11-14 -- ----YesADMUSGS532 Unspecified NONE1Imported Channel 1UNSPother 532 UNSPUNSPUNSPunknUNSPUNSPUNSP
2M1922-09-05 -- ----YesADMUSGS251 Unspecified NONE1Imported Channel 1UNSPother 251 UNSPUNSPUNSPunknUNSPUNSPUNSP
1M1917-09-25 -- ----YesADMUSGS89.0 Unspecified NONE1Imported Channel 1UNSPother 89.0 UNSPUNSPUNSPunknUNSPUNSPUNSP