USGS Water-Year Summary for Site 14209710

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

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

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USGS Water-Year Summary 2023

14209710 CLACKAMAS RIVER AT CARTER BRIDGE, NEAR ESTACADA, OR

LOCATION - Lat 45°10'02", long 122°09'18" referenced to North American Datum of 1927, in NE 1/4 sec.19, T.3 S., R.4 E., Clackamas County, OR, Hydrologic Unit 17090011, on right bank, downstream from Carter Bridge, adjacent to Carter Bridge Campground, 20 mi east of Estacada and on State Highway 224.

DRAINAGE AREA - 594 mi².

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: April 2005 to current year.

pH: April 2005 to current year.

WATER TEMPERATURE: April 2005 to current year.

DISSOLVED OXYGEN: April 2005 to current year.

TURBIDITY: April 2005 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. Prior to Dec. 05, 2017, data collected using a YSI 6136 turbidity sensor. Manufacturer's stated accuracy is the greater of +/- 2 percent or 0.3 Formazin Nephelometric Units. FNU values below 10 are reported to nearest 0.1 FNU. Prior to Oct. 18, 2014, data was collected using a YSI 6026 turbidity sensor. Manufacturer's stated accuracy is the greater of +/- 5 percent or 2 FNU. FNU values below 10 are reported to nearest 0.1 FNU. Negative recorded values are reported as 0.0 FNU. Chemical analyses collected at this location are available via NWISWeb.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 97 microsiemens Sept. 9, 2020; minimum, 22 microsiemens Jan. 11, 2006.

pH: Maximum, 8.7 units Aug. 8, 9, 13-16, 20-23, 2018; minimum, 6.8 units Nov. 7, 2006.

WATER TEMPERATURE: Maximum, 20.1°C June 28, 2021; minimum, -0.1°C Dec. 8, 2009, Feb. 6, 2014.

DISSOLVED OXYGEN: Maximum, 15.0 mg/L Feb. 18, 2006, Dec. 9, 2009; minimum recorded, 8.8 mg/L June 28, 2021.

TURBIDITY: Maximum, 683 FNU Jan. 16, 2011; minimum, <1 FNU on many days each year.