USGS Water-Year Summary 2024
15068040 LEASK CREEK AT SHELTER COVE NR KETCHIKAN AK
LOCATION - Lat 55°31'10", long 131°31'22" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SW 1/4 sec.024, T.72 S., R.91 E., Ketchikan Gateway Borough, AK, Hydrologic Unit 19010102, on Revillagigedo Island, in Tongass National Forest, on left bank, approximately 0.8 mi upstream of mouth, and 13 mi northeast of Ketchikan.
DRAINAGE AREA - 7.90 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 2017 to current year.
GAGE - Water-stage recorder. Datum of gage is 100.92 ft NAVD88.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 2017 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 2017 to current year.
INSTRUMENTATION - Electronic water temperature record since June 2017, set for 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 25.8°C, July 31, 2018; minimum, 0.0°C, on many days during most winter periods.