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Water-Year Summary for Site 452041119321500

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  • 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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Min.,Mean,Max.)  
00300 Dissolved oxygen(Min.,Mean,Max.)  
00400 pH(Min.,Mean,Max.,Med.)  
32315 Relative fChl, water, in situ(Max.,Min.,Mean)  
32316 fChl, water, in situ(Min.,Mean,Max.)  
32319 fPC, water, in situ(Min.,Mean,Max.)  
32321 Relative fPC, water, in situ(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
452041119321500 WILLOW LAKE MET STATION AT HEPPNER, OR
LOCATION - Lat 45°20'41.3", long 119°32'14.9" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 sec.35, T.2 S., R.26 E., Morrow County, OR, Hydrologic Unit 17070104, on a floating platform in the middle of the lake.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: June 2020 to current year (seasonal records only).

pH: June 2020 to current year (seasonal records only).

WATER TEMPERATURE: June 2020 to current year (seasonal records only).

DISSOLVED OXYGEN: June 2020 to current year (seasonal records only).

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

SPECIFIC CONDUCTANCE: Maximum, 252 microsiemens Sept. 25-27, 2021; minimum, 151 microsiemens May 18, 2022.

pH: Maximum, 9.6 units Aug. 14-16, 2021, Aug. 28, 2023; minimum, 7.6 units Sept. 30, 2021, Sept. 29, 2023.

WATER TEMPERATURE: Maximum, 28.0°C July 30, 2022; minimum, 10.3°C May 10, 2022.

DISSOLVED OXYGEN: Maximum, 18.5 mg/L Aug 27, 2023; minimum, 0.1 mg/L July 19, 2022.