USGS Water-Year Summary for Site 14162500

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	Available Parameters
	00010 Temperature, water(Max.,Mean,Min.)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Mean,Min.)
	00400 pH(Max.,Min.,Med.)
	32295 fDOM, water, in situ(Min.,Max.,Mean)
	32316 fChl, water, in situ(Min.,Max.,Mean)
	32319 fPC, water, in situ(Mean,Max.,Min.)
	63680 Turbidity, Form Neph(Min.,Max.,Med.)

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

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USGS Water-Year Summary 2023

14162500 MCKENZIE RIVER NEAR VIDA, OR

LOCATION - Lat 44°07'30", long 122°28'10" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.05, T.17 S., R.3 E., Lane County, OR, Hydrologic Unit 17090004, on right bank, 0.4 mi downstream from Mason Creek, 5.4 mi east of Vida and at mile 47.7.

DRAINAGE AREA - 930 mi². at cableway, 0.4 mi downstream, where all discharge measurements are made.

REVISIONS HISTORY -

WDR-US-2012: 2012.

Revision: Annual maximum gage-height for Water Years 1989 and 1990 were revised on June 5, 2023 based on further review of the annual peak gage-height record.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1910 to March 1911 (published as "at Martins Rapids, near Vida"), September 1924 to current year. Monthly discharge only for some periods (water years 1910-11, 1924-25), published in WSP 1318.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 855.71 ft above NGVD of 1929 (levels by Eugene Water & Electric Board). July 1, 1910 to Mar. 31, 1911, nonrecording gage at site 3 mi downstream at different datum. Sept. 1, 1924 to Nov. 16, 1928, nonrecording gage at site 20 ft upstream at datum 0.15 ft lower. Nov. 17, 1928 to Sept. 23, 1968, water-stage recorder at present site on left bank at datum 0.15 ft lower.

REMARKS - Flow regulated since 1963 by Smith River Reservoir (active capacity, 9,900 acre-ft) and Cougar Lake (active capacity, 164,800 acre-ft), and since 1968 by Blue River Lake (active capacity, 85,550 acre-ft). No diversion upstream from station. All records given herein are for measuring site.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood in January 1923 reached a stage of 17.2 ft, from floodmarks, discharge, 62,000 ft³/s.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 64,400 ft³/s Dec. 28, 1945, gage height, 17.70 ft, site and datum then in use, from rating curve extended above 32,000 ft³/s; minimum discharge, 1,260 ft³/s Nov. 7, 1930, Sept. 17, Oct. 4, 8, 9, 1931.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: November 1976 to September 1985, February 2015 to current year.

pH: May 2015 to current year.

WATER TEMPERATURE: June 1961 to September 1985, November 2000 to current year.

DISSOLVED OXYGEN: February 2015 to current year.

TURBIDITY: January 2003 to June 2007, February 2015 to current year.

INSTRUMENTATION - Water-quality monitor. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.

REMARKS - TURBIDITY: Data collected using a YSI EXO2 sonde. Manufacturer's stated accuracy is the greater of +/- 2 percent of reading or 0.3 Formazin Nephelometric Units (FNU) for 0-999 FNU, and +/- 5 percent for 1,000-4,000 FNU. FNU values below 10 are reported to nearest 0.1 FNU. Negative recorded values are reported as 0.0 FNU. Additional parameters collected at this location are available via NWISWeb.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 72 microsiemens Nov. 20, 1980; minimum recorded, 2.4 microsiemens Nov. 25, 1977.

pH: Maximum, 8.9 units July 12, 13, 17-22, 24-26, 28, 29, Aug. 1, 2021; minimum, 6.7 units Apr. 7, 8, 2019, Jan. 29, 30, 2020.

WATER TEMPERATURE: Maximum, 18.0°C July 29, 2022; minimum recorded, 0.5°C Jan. 1, 1979.

DISSOLVED OXYGEN: Maximum, 13.6 mg/L Jan. 30, 2023; minimum, 9.0 mg/L July 10-13, Aug. 1, 2021.

TURBIDITY: Maximum, >338 FNU Dec. 30, 2005, Jan. 11, Feb. 1, 2006; minimum, <1 FNU on many days each year.