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Water-Year Summary for Site 14211400

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
63680 Turbidity, Form Neph(Max.,Min.,Med.)  

Water year 2022: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2022
14211400 JOHNSON CREEK AT REGNER ROAD, AT GRESHAM, OR
LOCATION - Lat 45°29'12", long 122°25'14" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.15, T.1 S., R.3 E., Multnomah County, OR, Hydrologic Unit 17090012, on left bank, at Regner Road, 1.5 mi southeast of Gresham City Hall and at mile 16.3.
DRAINAGE AREA - 15.36 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1998 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 305 ft above NGVD of 1929, from topographic map.
REMARKS - No regulation or diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,750 ft³/s Dec. 7, 2015, gage height, 11.78 ft; minimum daily discharge, 0.13 ft³/s Sept. 6, 2003.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -

WATER TEMPERATURE: January 1999 to current year.

TURBIDITY: October 2006 to June 2009, October 2009 to June 2013 (seasonal records only), September 2013 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 McVan Analyte NEP395 turbidity sensor. Manufacturer's stated Linearity is the better than 1 percent for 40FNU, 100 FNU and 400 FNU, 3% for 1,000 FNU. FNU values below 10 are reported to nearest 0.1 FNU. Negative recorded values are reported as 0.0 FNU. Chemical analyses and suspended sediment data collected at this location are available via NWISWeb.
EXTREMES FOR PERIOD OF DAILY RECORD -

WATER TEMPERATURE: Maximum, 30.4°C June 28 2021; Minimum, -0.8°C Jan. 6, 7, 2017.

TURBIDITY: Maximum, 881 FNU Apr. 26, 2012; minimum, <1 FNU July 10 to Sept. 30, 2011.