USGS Water-Year Summary for Site 13311450

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Mean,Min.)
	00400 pH(Med.,Max.,Min.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

13311450 SUGAR CREEK NR STIBNITE, ID

LOCATION - Lat 44°56'10.9", long 115°20'14.0" 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 - 17.9 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, 375 ft³/s, June 1, 2017, gage height, 8.47 ft; maximum gage height, 8.70 ft, Mar. 16, 2019, (backwater from ice); minimum daily, 4.0 ft³/s Dec. 8, 2013.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Continuous water temperature, specific conductance, and pH were collected seasonally on site between Apr. 2012 and Oct. 2014. Continuous water temperature and specific conductance data collection resumed Apr. 2016 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.

During water year 2014, water-quality sensors were installed on site on Apr. 25 and removed indefinitely on Oct. 1 (first day of Water Year 2015). Daily mean or median values are missing for each parameter on Apr. 25 and Oct. 1, as well as May 13 to May 15. 96.9% of the daily values will be reported for water temperature, specific conductance, and pH. There are no daily values that are or will be estimated.

Water Year 2016: Water-quality sonde was installed on site on Mar. 31 and removed Oct. 5 for winter. Quality of water temperature and specific conductance for the year is good except for:
SPECIFIC CONDUCTANCE: Apr. 10-15 and Jun. 13-14: Fair due to excessive fouling. Apr. 16-May 1, May 2-11, and May 12: Poor, due to excessive fouling.
93.7% of daily values for water temperature and 92.6% of 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 Apr. 11 and removed Nov. 15, 2017 for winter.
The practice of assigning qualitative accuracy ratings to continuous water-quality data was discontinued in WY2017.