USGS Water-Year Summary 2021
15519100 TOLOVANA R BL ROSEBUD C NR LIVENGOOD AK
LOCATION - Lat 65°27'55", long 148°37'43" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 NW 1/4 sec.005, T.7 N., R.5 W., Yukon-Koyukuk Division, AK, Hydrologic Unit 19080309, on right bank 30 ft upstream from Alyeska pipeline access road bridge 0.37 mi downstream from Rosebud Creek, 1.9 mi upstream from West Fork Tolovana River and 4.8 miles southwest of Livengood.
DRAINAGE AREA - 243 mi².
PERIOD OF RECORD - October 2010 to current year.
GAGE - Water-stage recorder. Datum of gage is 392.49 ft NAVD88.
PERIOD OF RECORD - WATER TEMPERATURE: October 2010 to current year (seasonal).
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2010 to current year (seasonal).
INSTRUMENTATION - Electronic water temperature recorder set for 15 minute recording interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 16.5°C July 24, 2019; Minimum, 0.0°C on many days during fall, winter, and spring breakup.