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Water-Year Summary for Site 422444121580400

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
32321 Relative fPC, water, in situ(Max.,Mean,Min.)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
422444121580400 UPPER KLAMATH LAKE AT SHOALWATER BAY, OR
LOCATION - Lat 42°24'26.1", long 121°57'47.1" referenced to North American Datum of 1927, Klamath County, OR, Hydrologic Unit 18010203, and about 0.5 mi west of Eagle Ridge County Park.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: June 2005 to September 2005, April 2020 to current year (seasonal records only).

pH: June 2005 to September 2005, April 2020 to current year (seasonal records only).

WATER TEMPERATURE: June 2005 to September 2005, April 2020 to current year (seasonal records only).

DISSOLVED OXYGEN: June 2005 to September 2005, April 2020 to current year (seasonal records only).

INSTRUMENTATION - Water-quality monitor.
REMARKS - Additional parameters and chemical analyses collected at this location are available via NWISWeb.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 151 microsiemens July 25, 2022; minimum, 101 microsiemens Apr. 25-27, 29, May 10, 2024.

pH: Maximum, 10.3 units July 14, 2020, July 24, 25, 2022; minimum, 7.1 units Sept. 23, 2021.

WATER TEMPERATURE: Maximum, 29.4°C July 28, 30, 2022; minimum, 6.8°C Apr. 21, 2022.

DISSOLVED OXYGEN: Maximum, 19.7 mg/L Aug. 10, 2021; minimum, 0.0 mg/L July 28, 29, 2021.