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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 12062580 UNNAMED TRIBUTARY TO LYNCH COVE NEAR BELFAIR, WA
Mason County, Washington
Hydrologic Unit Code 17110018
Latitude  47°26'04.78", Longitude 122°50'05.23" NAD83
Gage datum 103 feet above NAVD88
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)
122015-12-16 09:55:30PSTYesRWSUSGS1.75 Poor NONE1mainWADEQSCMMVADV1.752.301.161.50UNSPUNSPUNSPunknUNSPUNSPUNSP
112015-11-05 10:45:30PSTYesCASUSGS0.29 Poor NONE1mainWADEQSCMMVADV0.292.600.510.58UNSPUNSPUNSPunknUNSPUNSPUNSP
102015-10-13 13:24PDTYesrwsUSGS0.00 Poor NONE1mainWADEQSCMMVADV0.001.220.040.13UNSPUNSPUNSPunknUNSPUNSPUNSP
92015-09-16 14:20:30PDTYescasUSGS0.00 Poor NONE1mainWADEQSCMMVADV0.000.610.030.16UNSPUNSPUNSPunknUNSPUNSPUNSP
82015-08-06 10:49:30PDTYesrwsUSGS0.00 Poor NONE1mainWADEQSCMMVADV0.000.490.020.22UNSPUNSPUNSPunknUNSPUNSPUNSP
72015-07-08 13:18PDTYesaetUSGS0.01 Poor NONE1mainWADEQSCMMVADV0.011.220.040.16UNSPUNSPUNSPunknUNSPUNSPUNSP
62015-06-11 10:43:30PDTYesaetUSGS0.01 Poor NONE1mainWADEQSCMMVADV0.011.160.050.16UNSPUNSPUNSPunknUNSPUNSPUNSP
52015-05-14 12:27PDTYesaetUSGS0.01 Poor NONE1mainWADEQSCMMVADV0.011.280.060.09UNSPUNSPUNSPunknUNSPUNSPUNSP
42015-04-20 12:00PDTYescasUSGS0.02 Fair NONE1mainWADEQSCMMVADV0.021.280.090.20UNSPUNSPUNSPunknUNSPUNSPUNSP
32015-03-12 09:00:30PDTYesaetUSGS0.03 Fair NONE1mainWADEQSCMMVADV0.031.280.110.30UNSPUNSPUNSPunknUNSPUNSPUNSP
22015-02-18 13:24PSTYesjrfUSGS0.03 Poor NONE1mainWADEQSCMMVADV0.031.340.120.22UNSPUNSPUNSPunknUNSPUNSPUNSP
12015-01-15 11:10:30PSTYesjrfUSGS0.02 Fair NONE1mainWADEQSCMMVADV0.021.220.100.16UNSPUNSPUNSPunknUNSPUNSPUNSP