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Water-Year Summary for Site 14209700

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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(Min.,Mean,Max.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Min.,Mean,Max.)  
00300 Dissolved oxygen(Min.,Mean,Max.)  
00400 pH(Max.,Min.,Med.)  
32295 fDOM, water, in situ(Mean,Max.,Min.)  
63680 Turbidity, Form Neph(Med.,Min.,Max.)  

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

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USGS Water-Year Summary 2023
LOCATION - Lat 45°08'52", long 122°09'07" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.11, T.5 S., R.5 E., Clackamas County, OR, Hydrologic Unit 17090011, Mount Hood National Forest, on right bank, 0.7 mi upstream from Clackamas River and at mile 1.15.
DRAINAGE AREA - 45.1 mi².
PERIOD OF RECORD - October 1989 to September 2006 (discontinued).
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 940 ft above NGVD of 1929, from topographic map.
REMARKS - No regulation or diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,540 ft³/s Feb. 7, 1996, gage height, 11.83 ft, from rating curve extended above 2,800 ft³/s on basis of slope-area measurement of peak flow; maximum gage height, 15.40 ft, backwater from debris flow; minimum discharge, 6.0 ft³/s Sept. 1, 2, 1992.

SPECIFIC CONDUCTANCE: June 2021 to current year.

pH: June 2021 to current year.

WATER TEMPERATURE: June 2021 to current year.

DISSOLVED OXYGEN: June 2021 to current year.

TURBIDITY: June 2021 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. Negative recorded values are reported as 0.0 FNU. Additional parameters collected at this location not referenced in this document are available via NWISWeb.

SPECIFIC CONDUCTANCE: Maximum, 67 microsiemens Sept. 10, 2021; minimum, 27 microsiemens May 29, 2022.

pH: Maximum, 9.0 units Aug. 12, 19, 2022; minimum, 6.8 units Jan. 6, 2022.

WATER TEMPERATURE: Maximum, 25.9°C June 28, 2021; minimum, 0.0°C Feb. 23, 2022.

DISSOLVED OXYGEN: Maximum, 14.5 mg/L Feb. 23, 2022; minimum, 7.7 mg/L June 28, 2021.

TURBIDITY: Maximum, 1,400 FNU Jan. 6, 2022; minimum, <1 FNU on many days.