Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 14138850

Click to hide Water-Year Summary instructions and information
  • 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.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

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

Print this page
USGS Water-Year Summary 2022
14138850 BULL RUN RIVER NEAR MULTNOMAH FALLS, OR
LOCATION - Lat 45°29'54", long 122°00'40" referenced to North American Datum of 1927, in sec.12, T.1 S., R.63 E., Multnomah County, OR, Hydrologic Unit 17080001, Mount Hood National Forest, on right bank, 1.2 mi upstream from North Fork, 7.0 mi southeast of Multnomah Falls and at mile 14.8.
DRAINAGE AREA - 47.9 mi².
REVISIONS HISTORY - WDR OR-91-l: 1990.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1966 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 1,080 ft above NGVD of 1929, from topographic map.
REMARKS - Regulation at times since 1915 by Bull Run Lake (station 14138560). No diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,800 ft³/s Nov. 25, 1999, gage height, 14.46 ft; minimum discharge, 30 ft³/s Oct. 28-31, 1987.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: October 1977 to current year.

pH: August 1990 to September 1992.

WATER TEMPERATURE: October 1977 to current year.

TURBIDITY: August 1990 to July 1994.

SUSPENDED SEDIMENT DISCHARGE: October 1977 to September 1986.

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

SPECIFIC CONDUCTANCE: Maximum, 35 microsiemens Sept. 25, 2005, July 12-15, Sept. 8, 2018; minimum, 8 microsiemens Dec. 13, 14, 2006, Jan, 12, 2021.

pH: Maximum, 8.1 units Aug. 30, Sept. 1, 1990; minimum, 5.7 units Jan. 18, 1991.

WATER TEMPERATURE: Maximum, 19.0°C June 28, 2021; minimum, -0.3°C Jan. 11, 12, 1998.

TURBIDITY: Maximum, 44 NTU Jan. 15, 1991; minimum, 0.08 NTU Aug. 30, 31, 1992.