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Water-Year Summary for Site 12334550

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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
00060 Discharge(Mean)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12334550 CLARK FORK AT TURAH BRIDGE, NEAR BONNER, MT
LOCATION - Lat 46°49'33.28", long 113°48'50.51" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SW 1/4 sec.01, T.12 N., R.18 W., Missoula County, MT, Hydrologic Unit 17010202, on left bank 0.8 mi southeast of Turah, 4 mi southeast of Bonner, and at river mile 370.2.
DRAINAGE AREA - 3,657 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1985 to current year. Water-discharge records for the period March 1985 to September 1985 are available in files at the USGS Water Science Center located in Helena, Montana.
GAGE - Water-stage recorder. Elevation of gage is 3,320 ft, referenced to the North American Vertical Datum of 1929 from topographic map. Prior to May 9, 1986, non-recording gage at same site at elevation 2.00 ft higher.
REMARKS - Some regulation occurs upstream from gage.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1985 to current year.
PERIOD OF DAILY RECORD - 
WATER TEMPERATURE: October 1991 to September 1998.
SUSPENDED-SEDIMENT DISCHARGE: March 1985 to March 2003, August 2003 to current year.
REMARKS -  
EXTREMES FOR PERIOD OF DAILY RECORD - 
WATER TEMPERATURE: Maximum, 25.0°C, Aug. 17, 1992; minimum, 0.0°C, on many days during winter.
SEDIMENT CONCENTRATION: Maximum daily mean, 1,140 mg/L, Feb. 25, 1986; minimum daily mean, 1 mg/L, 
on many days.
SEDIMENT LOAD: Maximum daily, 24,400 tons, Feb. 25, 1986; minimum daily 0.96 tons, Jan. 13, 2007.
EXTREMES FOR CURRENT YEAR - SEDIMENT CONCENTRATION: Maximum daily mean, 207 mg/L, Feb. 16, 2016; minimum daily mean, 1 mg/L, on several days in Jan., Jun., and Jul. SEDIMENT LOAD: Maximum daily, 810 tons, Feb. 16, 2016; minimum daily, 1.1 tons, Jan. 3, 2016.