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

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 15276000

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Mean,Max.,Min.)  
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 61°13'32", long 149°38'06" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 SE 1/4 sec.09, T.13 N., R.2 W., Municipality of Anchorage, AK, Hydrologic Unit 19020401, (Anchorage A-8 quad), 2000 ft upstream from Oilwell Road bridge, 300 ft off of road, on left bank, 3.3 mi upstream from North Fork Ship Creek, and 7.8 mi east of Seward and Glenn highway intersection in Anchorage.
DRAINAGE AREA - 89.6 mi². Regulated flow.

WSP 1936: Drainage area. WDR AK-2001-1: 1987-1997.

On September 12, 2018, annual peak gage height and discharge were revised in Peak Flow File for water years 2001, 2005, and 2006. The revised peaks supersede values previously published in Water-Data Reports for those years (WDR-AK-XX). Previous or subsequent revisions to data, if any, are available in USGS Water Data for the Nation at http://waterdata.usgs.gov/nwis/inventory?search_site_no=15236900.

PERIOD OF RECORD - October 1946 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 484.11 ft NAVD88. Prior to August 22, 1985, water-stage recorder at dam 800 ft upstream. See WSP 1936 for history of changes prior to October 1, 1954.
COOPERATION - Records of diversion provided by Doyon Utilities, LLC., and Municipality of Anchorage Water and Wastewater Utility.
REMARKS - Discharge data represent the net flow after diversion for water supply to Joint Base Elmendorf-Richardson and the Municipality of Anchorage. Diversion began in 1944. Magnitude of discharges downstream of dam may be affected by periodic spillway adjustment.
PERIOD OF RECORD - October 11, 2014 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2014 to current year.
INSTRUMENTATION - Electronic water-temperature recorder set for 15-minute recording interval.
REMARKS - Records represent water temperature at the sensor within 0.2°C.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 15.6°C, July 07, 2019; minimum, 0.0°C many days during winter.