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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 15211900 O'BRIEN C NR CHITINA AK


Copper River Census Area County, Alaska
Hydrologic Unit Code 190201040101
Latitude  61°28'59", Longitude 144°27'23" NAD27
Drainage area 46.0  square miles
Gage datum 600.0 feet above NAVD88
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
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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)
501996-07-31 -- ----YesCWSUSGS48.71.370.000.60FairClearNONE1Imported Channel 1WADEunspeunkno48.726.017.02.86UNSPUNSPUNSPunknUNSPUNSPUNSP
491996-06-05 -- ----YesCWS/RLRUSGS1432.090.000.50FairClearNONE1Imported Channel 1WADEunspeunkno14337.542.53.36UNSPUNSPUNSPunknUNSPUNSPUNSP
481995-09-26 -- ----YesBBB/DFMUSGS2262.920.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno22642.047.74.74UNSPUNSPUNSPunknUNSPUNSPUNSP
471995-09-22 -- ----YesBBB/DFMUSGS7503.90 Poor NONE1Imported Channel 1OTHRQIDIR 750 UNSPUNSPUNSPunknUNSPUNSPUNSP
461995-08-04 13:40AKDTYesCWS/WCSUSGS115-0.220.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno11529.034.13.37UNSPUNSPUNSPunknUNSPUNSPUNSP
451994-09-15 -- ----YesCWSUSGS41.4-0.880.000.50FairClearNONE1Imported Channel 1WADEunspeunkno41.434.024.61.68UNSPUNSPUNSPunknUNSPUNSPUNSP
441994-07-21 -- ----YesCWS/MMHUSGS123-0.200.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno12341.243.02.86UNSPUNSPUNSPunknUNSPUNSPUNSP
431993-07-14 -- ----Yescws/rlrUSGS154-0.830.000.50FairClearNONE1Imported Channel 1WADEunspeunkno15434.038.34.00UNSPUNSPUNSPunknUNSPUNSPUNSP
421992-05-14 -- ----YesCWSUSGS31.8 Fair NONE1Imported Channel 1WADEunspeunkno31.817.519.01.67UNSPUNSPUNSPunknUNSPUNSPUNSP
411991-08-10 -- ----YesXXSUSGS41.0-1.210.000.70Fair NONE1Imported Channel 1WADEunspeunkno41.022.023.21.77UNSPUNSPUNSPunknUNSPUNSPUNSP
401990-07-23 -- ----YesBBB/XXTUSGS85.8-0.990.000.50Fair NONE1Imported Channel 1WADEunspeunkno85.839.048.21.78UNSPUNSPUNSPunknUNSPUNSPUNSP
391990-06-07 -- ----YesBBB/WCSUSGS9561.150.001.00Poor NONE1Imported Channel 1WADEunspeunkno95633.087.310.9UNSPUNSPUNSPunknUNSPUNSPUNSP
381990-06-05 -- ----YesBBB/WCSUSGS10202.450.001.20Poor NONE1Imported Channel 1WADEunspeunkno102029.088.311.6UNSPUNSPUNSPunknUNSPUNSPUNSP
371987-05-20 -- ----YesWCS/RMNUSGS1081.540.000.50Fair NONE1Imported Channel 1WADEunspeunkno10837.039.12.76UNSPUNSPUNSPunknUNSPUNSPUNSP
361986-08-29 -- ----YesTFH/WCSUSGS58.41.370.000.70Fair NONE1Imported Channel 1WADEunspeunkno58.429.024.62.37UNSPUNSPUNSPunknUNSPUNSPUNSP
351984-06-26 -- ----YesXXA/PDAUSGS3072.08 Fair NONE1Imported Channel 1WADEunspeunkno30745.070.34.37UNSPUNSPUNSPunknUNSPUNSPUNSP
341983-08-17 -- ----YesXXS/PXAUSGS92.71.68 FairClearNONE1Imported Channel 1WADEunspeunkno92.733.536.22.56UNSPUNSPUNSPunknUNSPUNSPUNSP
331982-07-30 -- ----YesGLP/GLSUSGS1011.58 Fair NONE1Imported Channel 1WADEunspeunkno10133.035.02.89UNSPUNSPUNSPunknUNSPUNSPUNSP
321982-07-02 -- ----YesGLS/TGRUSGS2011.90-0.010.60Fair NONE1Imported Channel 1WADEunspeunkno20136.052.43.84UNSPUNSPUNSPunknUNSPUNSPUNSP
311982-04-01 -- ----YesGLS/TGRUSGS5.79 Fair NONE1Imported Channel 1ICEQSCMMunkno5.7915.311.50.50UNSPUNSPUNSPunknUNSPUNSPUNSP
301981-08-08 -- ----YesGLS/JAJUSGS19403.40 Poor NONE1Imported Channel 1WADEunspeunkno1940 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
291981-06-26 -- ----YesGLS/SWLUSGS2921.98 Fair NONE1Imported Channel 1WADEunspeunkno29234.565.44.46UNSPUNSPUNSPunknUNSPUNSPUNSP
281981-05-21 -- ----YesGLS/LWWUSGS1601.73 Fair NONE1Imported Channel 1WADEunspeunkno16032.045.13.55UNSPUNSPUNSPunknUNSPUNSPUNSP
271980-07-24 -- ----YesXXG/GLSUSGS2141.89 Fair NONE1Imported Channel 1WADEunspeunkno21472.062.83.41UNSPUNSPUNSPunknUNSPUNSPUNSP
261980-05-24 -- ----YesGLSUSGS1213.26 Fair NONE1Imported Channel 1WADEunspeunkno12134.035.43.42UNSPUNSPUNSPunknUNSPUNSPUNSP
251980-05-09 -- ----YesGLSUSGS54.23.10 Fair NONE1Imported Channel 1WADEunspeunkno54.225.522.62.40UNSPUNSPUNSPunknUNSPUNSPUNSP
241979-06-26 -- ----YesCXS/GLSUSGS1843.340.000.20Fair NONE1Imported Channel 1WADEunspeunkno18438.047.03.91UNSPUNSPUNSPunknUNSPUNSPUNSP
231979-05-25 -- ----YesGLSUSGS85.83.120.000.50Good NONE1Imported Channel 1WADEunspeunkno85.829.032.02.68UNSPUNSPUNSPunknUNSPUNSPUNSP
221979-05-03 -- ----YesGLSUSGS47.23.00 Fair NONE1Imported Channel 1WADEunspeunkno47.222.522.82.07UNSPUNSPUNSPunknUNSPUNSPUNSP
211978-07-06 -- ----YesXXB/XXPUSGS1822.94 PoorClearNONE1Imported Channel 1WADEunspeunkno18239.445.54.00UNSPUNSPUNSPunknUNSPUNSPUNSP
201977-09-28 -- ----YesLWWUSGS73.82.53 Fair NONE1Imported Channel 1WADEunspeunkno73.828.231.22.37UNSPUNSPUNSPunknUNSPUNSPUNSP
191977-08-09 -- ----YesXXS/XXPUSGS2103.10 Fair NONE1Imported Channel 1WADEunspeunkno21047.057.23.67UNSPUNSPUNSPunknUNSPUNSPUNSP
181977-07-06 -- ----YesLWW/XXPUSGS5763.87 Fair NONE1Imported Channel 1WADEunspeunkno57649.01194.84UNSPUNSPUNSPunknUNSPUNSPUNSP
171977-05-24 -- ----YesLWW/XXPUSGS1071.50 Fair NONE1Imported Channel 1WADEunspeunkno10723.631.73.38UNSPUNSPUNSPunknUNSPUNSPUNSP
161976-08-24 -- ----YesXXB/LWWUSGS57.91.20 Fair NONE1Imported Channel 1WADEunspeunkno57.920.524.92.33UNSPUNSPUNSPunknUNSPUNSPUNSP
151976-07-13 -- ----YesXXS/LWWUSGS15.31.870.000.40FairClearNONE1Imported Channel 1WADEunspeunkno15.326.036.74.17UNSPUNSPUNSPunknUNSPUNSPUNSP
141976-04-23 -- ----YesLWW/LSLUSGS4.04 Unspecified NONE1Imported Channel 1WADEunspeunkno4.0422.59.040.45UNSPUNSPUNSPunknUNSPUNSPUNSP
131975-09-04 -- ----YesXXK/LWWUSGS46.02.02 Poor NONE1Imported Channel 1WADEunspeunkno46.019.423.81.93UNSPUNSPUNSPunknUNSPUNSPUNSP
12B1975-07-26 -- ----YesSHJUSGS2913.290.000.30PoorClearNONE1Imported Channel 1WADEunspeunkno29136.061.74.79UNSPUNSPUNSPunknUNSPUNSPUNSP
12A1974-07-26 -- ----YesSHJUSGS69.02.090.000.50FairClearNONE1Imported Channel 1WADEunspeunkno69.024.031.42.20UNSPUNSPUNSPunknUNSPUNSPUNSP
111974-06-19 -- ----YesJDM/XXKUSGS79.62.28 FairClearNONE1Imported Channel 1WADEunspeunkno79.622.027.82.86UNSPUNSPUNSPunknUNSPUNSPUNSP
101973-06-07 -- ----YesJDM/XXKUSGS1012.51 Fair NONE1Imported Channel 1WADEunspeunkno10123.033.63.01UNSPUNSPUNSPunknUNSPUNSPUNSP
91972-09-29 -- ----YesJDM/XXKUSGS36.31.86 Fair NONE1Imported Channel 1WADEunspeunkno36.319.021.81.67UNSPUNSPUNSPunknUNSPUNSPUNSP
81972-08-16 -- ----YesJDM/XXRUSGS1112.61 Fair NONE1Imported Channel 1WADEunspeunkno11125.034.53.22UNSPUNSPUNSPunknUNSPUNSPUNSP
71972-06-09 -- ----YesJDM/LSLUSGS1922.98 PoorClearNONE1Imported Channel 1WADEunspeunkno19244.057.03.37UNSPUNSPUNSPunknUNSPUNSPUNSP
61971-07-01 -- ----YesRDL/JDMUSGS16707.32 Poor NONE1Imported Channel 1UNSPother 1670 UNSPUNSPUNSPunknUNSPUNSPUNSP
51971-06-07 -- ----YesJDM/LSLUSGS1373.43 FairClearNONE1Imported Channel 1WADEunspeunkno13737.045.03.04UNSPUNSPUNSPunknUNSPUNSPUNSP
41970-10-01 -- ----YesLXD/JDMUSGS35.92.77 Fair NONE1Imported Channel 1WADEunspeunkno35.924.023.61.52UNSPUNSPUNSPunknUNSPUNSPUNSP
31970-08-18 -- ----YesXXS/JDMUSGS74.23.07 Fair NONE1Imported Channel 1WADEunspeunkno74.230.031.02.39UNSPUNSPUNSPunknUNSPUNSPUNSP
21970-07-08 -- ----YesJDM/XXRUSGS2313.76 Poor NONE1Imported Channel 1WADEunspeunkno23148.060.63.82UNSPUNSPUNSPunknUNSPUNSPUNSP
11970-05-14 -- ----YesJDM/XXKUSGS93.43.21 Fair NONE1Imported Channel 1WADEunspeunkno93.431.036.82.54UNSPUNSPUNSPunknUNSPUNSPUNSP