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Water-Year Summary for Site 14158798

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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.,Mean,Min.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Mean,Min.)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
14158798 SMITH RIVER ABOVE TRAIL BRIDGE RESERVOIR NEAR BELKNAP SPRINGS, OR
LOCATION - Lat 44°17'23.6", long 122°02'54.9" referenced to North American Datum of 1983, in sec.37, T.15 S., R.6 E., Linn County, OR, Hydrologic Unit 17090004, Willamette National Forest, on left bank, 0.8 mi upstream from Trailbridge Reservoir, 1.2 mi downstream from Bunchgrass Creek, 1.3 mi downstream from Smith Reservoir Dam, and 7 mi north of the town of Belknap Springs. 
DRAINAGE AREA - 21.4 mi².  
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2017 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (Eugene Water & Electric Board bench mark).
REMARKS - Flow regulated since 1963 by Smith River Reservoir (station 14158795). Water is diverted from Mckenzie River in SW 1/4 sec.20, T.14 S., R.7 E., through a diversion tunnel to Smith River Reservoir. Water is diverted from Smith River Reservoir through a power tunnel to Trailbridge Reservoir, downstream from station. 
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,520 ft³/s Apr. 8, 2019, gage height, 2,202.44 ft; minimum discharge, 4.47 ft³/s Nov. 19, 20, 2018.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: August 2017 to current year.

WATER TEMPERATURE: August 2017 to current year.

INSTRUMENTATION - Water-quality monitor.
EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 74 microsiemens Oct. 27, 28, 2018; minimum, 20 microsiemens Oct. 22, 2017.

WATER TEMPERATURE: Maximum, 21.1°C July 31, 2018; minimum 0.0°C Feb. 25, 2018, Feb. 24, 2019, Feb. 23, 2022, Feb. 24, 2024.