Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 15300730 ALAGNAK R 27 MI AB MTH NR MCCORMICK NR LEVELOCK AK
Lake And Peninsula Borough, Alaska
Hydrologic Unit Code 19030206
Latitude  59°06'52", Longitude 156°23'01" NAD27
Drainage area 1,148  square miles
Gage datum 80 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 
132001-06-04 14:53AKDTYesJHC/TGTUSGS3830 FairClearNONE
122001-02-28 14:45AKSTYesGLS/JHCUSGS1420 FairIceCoverNONE
112000-08-28 17:15AKDTYesJHC/SFBUSGS317012.50-0.012.00Good NONE
102000-08-08 18:50AKDTYesJHC/GLSUSGS444013.04 Fair NONE
92000-07-18 15:15AKDTYesJHC/SFBUSGS598013.72-0.012.00Good NONE
82000-06-26 16:10AKDTYesJHC/GLSUSGS606013.70 Fair NONE
72000-06-12 16:20AKDTYesJHC/SFBUSGS467013.09 Fair NONE
62000-06-01 18:54AKDTYesJHC/GLSUSGS2940 Fair NONE
51999-09-15 13:10AKDTYesJHC/GLSUSGS3410 Poor NONE
41999-08-25 16:24AKDTYesWCS/JMDUSGS3810 Unspecified NONE
31999-07-13 19:03AKDTYesJMD/BXHUSGS6380 Poor NONE
21999-06-22 -- ----YesJMD/BXHUSGS4260 Unspecified NONE
11999-06-03 19:55AKDTYesGLS/JMDUSGS3990 Fair NONE