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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
 
501996-07-31 -- ----YesCWSUSGS48.71.370.000.60FairClearNONE
491996-06-05 -- ----YesCWS/RLRUSGS1432.090.000.50FairClearNONE
481995-09-26 -- ----YesBBB/DFMUSGS2262.920.000.80GoodClearNONE
471995-09-22 -- ----YesBBB/DFMUSGS7503.90 Poor NONE
461995-08-04 13:40AKDTYesCWS/WCSUSGS115-0.220.000.50GoodClearNONE
451994-09-15 -- ----YesCWSUSGS41.4-0.880.000.50FairClearNONE
441994-07-21 -- ----YesCWS/MMHUSGS123-0.200.000.50GoodClearNONE
431993-07-14 -- ----Yescws/rlrUSGS154-0.830.000.50FairClearNONE
421992-05-14 -- ----YesCWSUSGS31.8 Fair NONE
411991-08-10 -- ----YesXXSUSGS41.0-1.210.000.70Fair NONE
401990-07-23 -- ----YesBBB/XXTUSGS85.8-0.990.000.50Fair NONE
391990-06-07 -- ----YesBBB/WCSUSGS9561.150.001.00Poor NONE
381990-06-05 -- ----YesBBB/WCSUSGS10202.450.001.20Poor NONE
371987-05-20 -- ----YesWCS/RMNUSGS1081.540.000.50Fair NONE
361986-08-29 -- ----YesTFH/WCSUSGS58.41.370.000.70Fair NONE
351984-06-26 -- ----YesXXA/PDAUSGS3072.08 Fair NONE
341983-08-17 -- ----YesXXS/PXAUSGS92.71.68 FairClearNONE
331982-07-30 -- ----YesGLP/GLSUSGS1011.58 Fair NONE
321982-07-02 -- ----YesGLS/TGRUSGS2011.90-0.010.60Fair NONE
311982-04-01 -- ----YesGLS/TGRUSGS5.79 Fair NONE
301981-08-08 -- ----YesGLS/JAJUSGS19403.40 Poor NONE
291981-06-26 -- ----YesGLS/SWLUSGS2921.98 Fair NONE
281981-05-21 -- ----YesGLS/LWWUSGS1601.73 Fair NONE
271980-07-24 -- ----YesXXG/GLSUSGS2141.89 Fair NONE
261980-05-24 -- ----YesGLSUSGS1213.26 Fair NONE
251980-05-09 -- ----YesGLSUSGS54.23.10 Fair NONE
241979-06-26 -- ----YesCXS/GLSUSGS1843.340.000.20Fair NONE
231979-05-25 -- ----YesGLSUSGS85.83.120.000.50Good NONE
221979-05-03 -- ----YesGLSUSGS47.23.00 Fair NONE
211978-07-06 -- ----YesXXB/XXPUSGS1822.94 PoorClearNONE
201977-09-28 -- ----YesLWWUSGS73.82.53 Fair NONE
191977-08-09 -- ----YesXXS/XXPUSGS2103.10 Fair NONE
181977-07-06 -- ----YesLWW/XXPUSGS5763.87 Fair NONE
171977-05-24 -- ----YesLWW/XXPUSGS1071.50 Fair NONE
161976-08-24 -- ----YesXXB/LWWUSGS57.91.20 Fair NONE
151976-07-13 -- ----YesXXS/LWWUSGS15.31.870.000.40FairClearNONE
141976-04-23 -- ----YesLWW/LSLUSGS4.04 Unspecified NONE
131975-09-04 -- ----YesXXK/LWWUSGS46.02.02 Poor NONE
12B1975-07-26 -- ----YesSHJUSGS2913.290.000.30PoorClearNONE
12A1974-07-26 -- ----YesSHJUSGS69.02.090.000.50FairClearNONE
111974-06-19 -- ----YesJDM/XXKUSGS79.62.28 FairClearNONE
101973-06-07 -- ----YesJDM/XXKUSGS1012.51 Fair NONE
91972-09-29 -- ----YesJDM/XXKUSGS36.31.86 Fair NONE
81972-08-16 -- ----YesJDM/XXRUSGS1112.61 Fair NONE
71972-06-09 -- ----YesJDM/LSLUSGS1922.98 PoorClearNONE
61971-07-01 -- ----YesRDL/JDMUSGS16707.32 Poor NONE
51971-06-07 -- ----YesJDM/LSLUSGS1373.43 FairClearNONE
41970-10-01 -- ----YesLXD/JDMUSGS35.92.77 Fair NONE
31970-08-18 -- ----YesXXS/JDMUSGS74.23.07 Fair NONE
21970-07-08 -- ----YesJDM/XXRUSGS2313.76 Poor NONE
11970-05-14 -- ----YesJDM/XXKUSGS93.43.21 Fair NONE