USGS Water-Year Summary 2021
15239900 ANCHOR RIVER NEAR ANCHOR POINT, AK
LOCATION - Lat 59°44'50", long 151°45'11" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NE 1/4 sec.13, T.5 S., R.15 W., Kenai Peninsula Borough, AK, Hydrologic Unit 19020301, (Seldovia C-5 quad), on right bank underneath upstream edge of Sterling Hwy bridge at milepost 161, 4.3 mi southeast of Anchor Point.
DRAINAGE AREA - 134 mi².
PERIOD OF RECORD - 1965-74, 1978-87, 1991-92, 2000 to current year.
GAGE - Water-stage recorder. Elevation of gage is 159.60 ft above mean sea level (NAVD88), from 2017 survey.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,000 ft³/s, November 23, 2002, gage height 9.10 ft, gage datum, from floodmark. Maximum stage, 9.20 ft, gage datum, October 24, 2002, discharge 8000 ft³/s, from floodmarks.
PERIOD OF RECORD - Water Temperature: April 2018 to current year.
PERIOD OF DAILY RECORD - Water Temperature: April 2018 to current year.
INSTRUMENTATION - Electronic water temperature recorder at 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 22.8°C, July 08, 2019; Minimum, 0.0°C on many days during the winter.