USGS Water-Year Summary for Site 13311250

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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.
For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

13311250 EFSF SALMON RIVER ABOVE SUGAR CREEK NEAR STIBNITE, ID

LOCATION - Lat 44°56'05.2", long 115°20'12.1" referenced to North American Datum of 1983, in sec.34, T.19 N., R.9 E., Valley County, ID, Hydrologic Unit 17060208, Stibnite quad., Boise National Forest, on left bank, 7.9 miles east southeast of Yellow Pine.

DRAINAGE AREA - 24.1 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - September 2011 to current year.

GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 527 ft³/s, May 31, 2017, gage height, 13.27 ft; minimum daily, 6.80 ft³/s, Feb. 7, 2019.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Continuous water temperature, specific conductance, and pH were collected seasonally on site between Apr. 2012 and Sept. 2014. Continuous water temperature and specific conductance data collection resumed Sep. 2015 and is current.

REMARKS - Numerical uncertainty is not currently computed for time-series water-quality records but qualitative ratings are provided based on professional judgment.

Water Year 2014: Quality of water temperature, specific conductance, and pH records for the year is good with the following exceptions:

Aug. 1 to Aug. 13 – pH data are rated fair based on quality assurance checks.
Sep. 8 to Oct. 1 – specific conductance data are rated fair based on quality assurance checks.
During water year 2014, water-quality sensors were removed for the winter on Oct. 22, re-installed on site on Apr. 25, and removed indefinitely on Oct. 1. Daily values are missing for each parameter on Apr. 25 and Oct. 1. 99.3 percent of the daily mean or median values for temperature, and pH will be reported. 87.4 percent of the daily mean values for specific conductance will be reported. There are no daily values that are or will be estimated.

Water Year 2016: Water-quality sonde was installed on site on Sep. 30, 2015. Quality of water temperature and specific conductance for the year is good.
99.7% of daily values for water temperature and 95% of the daily values for specific conductance will be reported. There are not daily values that are or will be estimated.

Water Year 2017: Water-quality sonde was installed on site on Sep. 30, 2015 to present.
The practice of assigning qualitative accuracy ratings to continuous water-quality data was discontinued in WY2017.