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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 15104000 PORCUPINE R NR CHICHAGOF AK
Hoonah-Angoon Census Area County, Alaska
Hydrologic Unit Code 190102111601
Latitude  57°50'05", Longitude 136°20'25" NAD27
Drainage area 7.12  square miles
Gage datum 304.0 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
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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)
61920-06-13 07:35AKSTYescanUSGS84.01.24 PoorClearNONE1Imported Channel 1WADEunspeunkno84.032.067.01.25UNSPUNSPUNSPunknUNSPUNSPUNSP
51919-03-01 14:00AKSTYeskimUSGS36.00.53 PoorIceCoverNONE1Imported Channel 1WADEunspeunkno36.018.053.90.67UNSPUNSPUNSPunknUNSPUNSPUNSP
41919-01-25 12:30AKSTYeskimUSGS69.00.94 PoorClearNONE1Imported Channel 1WADEunspeunkno69.028.070.20.98UNSPUNSPUNSPunknUNSPUNSPUNSP
31919-01-16 13:30AKSTYeskimUSGS1121.30 PoorClearNONE1Imported Channel 1WADEunspeunkno11234.082.81.35UNSPUNSPUNSPunknUNSPUNSPUNSP
21918-08-05 10:10AKSTYesfstUSGS67.50.96 GoodClearNONE1Imported Channel 1CWAYunspeunkno67.532.068.50.00UNSPUNSPUNSPunknUNSPUNSPUNSP
11918-06-12 10:45AKSTYescanUSGS1401.60 GoodClearNONE1Imported Channel 1CWAYunspeunkno14036.094.00.00UNSPUNSPUNSPunknUNSPUNSPUNSP