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Streamflow Measurements for the Nation


USGS 452911122444601 SYLVAN CREEK AT MOUTH
Washington County, Oregon
Hydrologic Unit Code 17090010
Latitude  45°29'11.23", Longitude 122°44'46.11" NAD83
Drainage area 3.3  square miles
Gage datum 236 feet above NGVD29
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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)
52012-06-05 10:00PDTYessob/jhgUSGS2.676.35 Poor NONE1mainWADEQSCMMVADV2.675.304.300.62SOFTsiltUNEVunknEVENUNSPUNSP
42012-05-08 09:37PDTYessob/jhgUSGS1.58 Poor NONE1mainWADEQSCMMVADV1.585.802.850.55SOFTsiltUNEVunknUNSPUNSPUNSP
32012-02-02 10:32PSTYessob/jhgUSGS1.156.10 Poor NONE1mainWADEQSCMMVADV1.155.003.310.35UNSPUNSPUNSPunknUNSPUNSPUNSP
22012-01-10 09:51:30PSTYessgs/jhgUSGS0.896.07 Fair NONE1MainWADEQSCMMVADV0.894.803.150.28SOFTsiltUNEVunknEVENUNKNUNSP
12011-12-22 09:30PSTYessgs/mkkUSGS0.24 Poor NONE1Main channelWADEQSCMMVADV0.244.602.570.09SOFTsiltUNEVunknEVENUNKNUNSP