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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 15015595 UNUK R BL BLUE R NR WRANGELL AK
Ketchikan Gateway Borough, Alaska
Hydrologic Unit Code 19010105
Latitude  56°14'26", Longitude 130°52'49" NAD27
Drainage area 745  square miles
Gage datum 150 feet above NGVD29
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
Reselect output format
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)
672025-06-26 11:34:30AKDTYesrhh/rjb/encusgs1050029.00 GoodClearNONE1unukMBOTQADCPVADCP1050025517505.97UNSPUNSPUNSPUNSPUNSPUNSPDNST250.00
662025-05-06 11:29AKDTYesrhh/jlpusgs461026.50-0.050.30GoodClearNONE1unukMBOTQADCPVADCP461022611204.14UNSPUNSPUNSPUNSPUNEVUNSPDNST250.00
652025-03-25 12:58AKDTYesrhhusgs107023.840.000.20FairClearNONE1unukMBOTQADCPVADCP107015711700.91FIRMGRVLEVENSTDYUNEVUNFMUPST150.00
642024-11-19 11:07AKSTYesrhh/enc/tbusgs221025.16 FairClearNONE1unukMBOTQADCPVADCP221022212801.73FIRMCBLSEVENSTDYEVENSTNDUPST100.00
632024-10-03 11:29:30AKDTYesrhh/jct/pwmusgs502027.53-0.070.20GoodClearNONE1unukMBOTQADCPVADCP502015816802.99FIRMCBLSEVENSTDYUNSPSTNDUPST150.00
622024-07-24 13:47:30AKDTYesrhh/cmj/jlpusgs923028.480.030.10GoodClearNONE1unuMBOTQADCPVADCP923027416405.64FIRMCBLSEVENSTDYEVENSTNDDNST500.00
612024-06-10 13:23:30AKDTYesrhh/bmh/mhhusgs982028.48 GoodClearNONE1unukMBOTQADCPVADCP982029717705.54UNSPUNSPUNSPUNSPUNSPUNSPATGA0.00
602024-05-23 13:36AKDTYesrhh/jtusgs531026.840.000.20GoodClearNONE1unukMBOTQADCPVADCP531023412104.38UNSPUNSPUNSPUNSPEVENUNSPDNST250.00
592024-03-28 10:24AKDTYesrhhusgs159024.46 GoodClearNONE1unukMBOTQADCPVADCP159014512201.30FIRMCBLSEVENSTDYUNEVSTNDUPST50.00
582024-03-01 10:58:30AKSTYesRHH/PWusgs85623.67 FairClearNONE1unukWADEQSCMMVPAA8561442094.10FIRMCBLSEVENUNSPUNSPUNSPDNST10000.00
572023-07-27 13:54:30AKDTYesrhh/cmjusgs756027.950.000.20GoodClearNONE1unukMBOTQADCPVADCP756032114205.31FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
562023-06-13 10:15:30AKDTYesrhh/pn/ecusgs1150028.810.000.40GoodClearNONE1unukMBOTQADCPVADCP1150033818706.12FIRMGRVLEVENSTDYEVENSTNDDNST1000.00
552023-03-22 11:08AKDTYesrhh/mhhusgs75923.54 GoodClearNONE1unukWADEQSCMMVPAA7592847900.96FIRMGRVLEVENSTDYEVENSTNDDNST1500.00
542023-01-28 11:24AKSTYesrhh/jmhusgs203024.80-0.010.20FairClearNONE1unukMBOTQADCPVADCP203015115101.34FIRMCBLSEVENSTDYUNEVSTNDUPST150.00
532022-12-05 12:21AKSTYesrhh/mhhusgs164024.660.010.20GoodClearNONE1unukMBOTQADCPVADCP164014614201.15FIRMCBLSEVENSTDYUNEVSTNDUPST150.00
522022-09-16 10:11AKDTYesrhh/cmjusgs432026.770.000.50PoorClearNONE1unukMBOTQADCPVADCP432032012403.50FIRMCBLSEVENSTDYEVENSTNDDNST1000.00
512022-07-26 14:07:30AKDTYesrhh/pnusgs1310029.59-0.060.20GoodClearNONE1unukMBOTQADCPVADCP1310032220306.44FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
502022-04-27 10:42AKDTYesjlp/rhhUSGS234024.820.000.20FairClearNONE1unukMBOTQADCPVADCP234015713501.73FIRMCBLSEVENSTDYEVENSTNDUPST150.00
492022-03-03 11:07AKSTYesmh/jlpUSGS115024.420.000.20FairClearNONE1unukMBOTQADCPVADCP115022413100.87FIRMGRVLEVENSTDYEVENSTNDDNST500.00
482021-08-23 12:04AKDTYesrhh/cmjUSGS595027.08-0.060.30GoodClearNONE1unukMBOTQADCPVADCP595030015103.93UNSPUNSPUNSPUNSPUNSPUNSPUNSP
472021-07-10 12:24AKDTYesrhh/jmh/bhUSGS1310028.62-0.080.20GoodClearNONE1unukMBOTQADCPVADCP1310033820706.34FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
462021-06-20 10:09AKDTYesjlp/rhh/mmUSGS1250028.220.070.25GoodClearNONE1unukMBOTQADCPVADCP1250032920306.17FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
452021-05-04 15:59:30AKDTYesrhh/jmhUSGS403026.41-0.020.20GoodClearNONE1unukMBOTQADCPVADCP403030110803.71FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
442021-04-14 11:14:30AKDTYesrhh/jlpUSGS65323.790.000.50GoodClearBYPS1unukWADEQSCMMVPAA6431922942.19FIRMGRVLEVENSTDYEVENSTNDDNST300.00
432021-01-21 11:06:30AKSTYesJLP, RPSUSGS180024.840.000.25GoodClearNONE1unukMBOTQADCPVADCP180024512001.50FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
422020-10-07 14:12AKDTYesrhh/rps/pm/aUSGS509026.740.000.20GoodClearNONE1unukMBOTQADCPVADCP509032312604.03FIRMBLDREVENSTDYEVENSTNDDNST550.00
412020-09-04 15:37AKDTYesrhh/jlp/jmhUSGS680027.23-0.020.25GoodClearNONE1unukMBOTQADCPVADCP680029314604.66FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
402020-07-17 13:27:30AKDTYesrhh/rps/jhUSGS1350029.16-0.110.20GoodClearNONE1unukMBOTQADCPVADCP1350032318907.11FIRMLDGEEVENSTDYEVENSTNDDNST250.00
392020-07-01 10:04AKDTYesrhh/rpsUSGS1070028.300.000.25GoodClearNONE1unukMBOTQADCPVADCP1070030516806.39FIRMBLDREVENSTDYEVENSTNDDNST200.00
382020-03-13 10:35AKDTYesrhh/basUSGS371 PoorIceShoreNONE1unukOTHRother 371 FIRMCBLSEVENSTDYEVENUNFMDNST550.00
372019-11-27 10:16AKSTYesrhh/bhUSGS322025.35-0.010.40GoodClearNONE1unukMBOTQADCPVADCP32202189093.55FIRMCBLSEVENSTDYEVENSTNDDNST250.00
362019-09-17 10:55AKDTYesBMH/BASUSGS442025.92-0.040.20GoodClearNONE1unukMBOTQADCPVADCP442026910304.30FIRMGRVLEVENSTDYEVENSTNDDNST250.00
352019-08-27 09:54AKDTYesrhh/jlp/bmhUSGS1630029.06-0.190.20FairClearNONE1unukMBOTQADCPVADCP1630033222107.37FIRMGRVLEVENSTDYEVENUNFMDNST250.00
342019-07-16 09:35:30AKDTYesrhh/bh/rbUSGS921027.64-0.020.20GoodClearNONE1unukMBOTQADCPVADCP921029815106.10FIRMGRVLEVENSTDYEVENSTNDDNST250.00
332019-05-09 12:38:30AKDTYesrhh/jlpUSGS527026.38 FairClearNONE1unukMBOTQADCPVADCP527021711604.54FIRMCBLSEVENSTDYEVENSTNDDNST150.00
322019-03-28 10:22AKDTYesrhh/skUSGS186024.120.000.25GoodClearNONE1unukMBOTQADCPVADCP18601756982.67FIRMCBLSEVENSTDYEVENSTNDDNST500.00
312019-03-05 10:08AKSTYesbas/rpsUSGS53922.610.000.45FairClearNONE1unukWADEQSCMMVPAA5391953161.70FIRMCBLSEVENSTDYEVENSTNDDNST250.00
302019-02-05 09:30:30AKSTYesrhh/basUSGS60023.37 PoorIceShoreNONE1unukOTHRother 600 FIRMGRVLEVENunknEVENSTNDDNST500.00
292018-12-04 11:33AKSTYesrhh/basUSGS137023.750.000.20FairClearNONE1unukMBOTQADCPVADCP137011510801.27FIRMCBLSEVENSTDYEVENUNFMUPST150.00
282018-09-05 09:51:30AKDTYesrhh/jlpUSGS456025.940.000.20GoodClearNONE1unukMBOTQADCPVADCP456026810704.27FIRMCBLSEVENSTDYEVENSTNDDNST1500.00
272018-08-07 09:55AKDTYesbas/rhhUSGS977028.02-0.030.25GoodClearOTHR1unukMBOTQADCPVADCP994031816506.03FIRMCBLSEVENSTDYEVENSTNDDNST1000.00
262018-07-02 11:02AKDTYesrhh/basUSGS684026.940.000.20GoodClearNONE1unukMBOTQADCPVADCP684031413505.08FIRMCBLSEVENSTDYEVENSTNDDNST200.00
252018-05-31 12:31AKDTYesrhh/rpsUSGS531026.210.000.50GoodClearNONE1unukMBOTQADCPVADCP531023511604.55FIRMCBLSEVENSTDYEVENSTNDDNST250.00
242018-04-24 13:00AKDTYesrhh, cc, jmgUSGS254024.760.000.25GoodClearNONE1unukMBOTQADCPVADCP25401939412.70FIRMCBLSEVENSTDYEVENSTNDDNST150.00
232018-03-21 09:55:30AKDTYesrhh/basUSGS76723.280.000.30FairClearNONE1unukMBOTQADCPVADCP76712411300.68FIRMGRVLEVENSTDYEVENSTNDUPST150.00
222018-01-25 10:11:30AKSTYesrhh/jmgUSGS90823.480.000.20FairClearNONE1unukMBOTQADCPVADCP90812912200.74FIRMCBLSEVENunknEVENSTNDUPST150.00
212017-12-07 10:52AKSTYesjlp/rhhUSGS117023.62-0.010.25FairClearNONE1unukMBOTQADCPVADCP117012611001.06FIRMCBLSEVENSTDYEVENSTNDUPST50.00
202017-11-01 10:08AKDTYesrhh/jmgUSGS394025.62-0.030.20GoodClearNONE1unukMBOTQADCPVADCP394015412303.19FIRMCBLSEVENunknEVENSTNDUPST50.00
192007-06-28 15:54AKDTYesBAS/JMGUSGS1050026.240.000.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP1050029517306.07UNSPUNSPUNSPunknUNSPUNSPUNSP
182007-04-24 12:54AKDTYesWAS/JMGUSGS385023.550.000.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP385023913002.90UNSPUNSPUNSPunknUNSPUNSPUNSP
172006-10-12 13:16AKDTYesRHH/BASUSGS530024.38-0.030.30FairClearNONE1Imported Channel 1UNSPQADCPVADCP530027913503.88UNSPUNSPUNSPunknUNSPUNSPUNSP
162006-08-17 14:15AKDTYesBAS/MDNUSGS799025.060.030.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP799029015905.03UNSPUNSPUNSPunknUNSPUNSPUNSP
152006-06-30 16:15AKDTYesBAS/JMGUSGS823025.120.010.30FairClearNONE1Imported Channel 1UNSPQADCPVADCP823029815605.20UNSPUNSPUNSPunknUNSPUNSPUNSP
142006-04-19 12:22AKDTYesBAS/JMGUSGS129021.160.011.00FairClearNONE1Imported Channel 1WADEunspeunkno12902815002.58UNSPUNSPUNSPunknUNSPUNSPUNSP
132005-10-12 14:20AKDTYesRHH/BASUSGS746024.59-0.010.20GoodClearNONE1Imported Channel 1UNSPQADCPVADCP746027615804.74UNSPUNSPUNSPunknUNSPUNSPUNSP
122005-09-26 16:22AKDTYesJMG/BASUSGS452023.720.000.20PoorClearNONE1Imported Channel 1UNSPQADCPVADCP452014414703.07UNSPUNSPUNSPunknUNSPUNSPUNSP
112005-07-07 12:35AKDTYesRHH/BASUSGS1220026.040.010.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP1220032218206.68UNSPUNSPUNSPunknUNSPUNSPUNSP
102005-04-17 12:28AKDTYesBAS/EGNUSGS156021.360.010.50FairClearNONE1Imported Channel 1WADEunspeunkno15602404313.61UNSPUNSPUNSPunknUNSPUNSPUNSP
92004-09-23 12:43AKDTYesBAS/JMGUSGS1150026.140.010.20GoodClearNONE1Imported Channel 1UNSPQADCPVADCP1150025519605.85UNSPUNSPUNSPunknUNSPUNSPUNSP
82004-07-14 16:37AKDTYesRHH/BASUSGS1110025.650.000.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP1110028516806.61UNSPUNSPUNSPunknUNSPUNSPUNSP
72004-05-04 13:26AKDTYesRHH/BASUSGS726024.320.02 GoodClearNONE1Imported Channel 1UNSPQADCPVADCP726026218903.85UNSPUNSPUNSPunknUNSPUNSPUNSP
62004-03-31 17:00AKSTYesEGN/BASUSGS174021.64-0.02 PoorClearNONE1Imported Channel 1WADEunspeunkno17403005143.38UNSPUNSPUNSPunknUNSPUNSPUNSP
52003-10-09 15:11AKDTYesEGN/BASUSGS572023.760.020.50FairClearNONE1Imported Channel 1UNSPQADCPVADCP572014612304.64UNSPUNSPUNSPunknUNSPUNSPUNSP
42003-08-26 16:40AKDTYesDST/BASUSGS532023.760.020.30PoorClearNONE1Imported Channel 1UNSPQADCPVADCP532013610405.12UNSPUNSPUNSPunknUNSPUNSPUNSP
32003-06-07 14:01AKDTYesDST/WKSUSGS1140026.010.001.00FairClearNONE1Imported Channel 1UNSPQADCPVADCP1140050934603.32UNSPUNSPUNSPunknUNSPUNSPUNSP
22003-06-05 10:35AKDTYesMKS/DSTUSGS735024.110.000.10PoorClearNONE1Imported Channel 1UNSPQADCPVADCP735032617004.34UNSPUNSPUNSPunknUNSPUNSPUNSP
12003-04-30 12:20AKDTYesRHH/DSTUSGS525023.480.000.20FairClearNONE1Imported Channel 1UNSPQADCPVADCP525011012004.37UNSPUNSPUNSPunknUNSPUNSPUNSP