USGS Water-Year Summary for Site 04108660

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	Available Parameters
	00010 Temperature, water(Min.,Max.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Max.,Min.,Med.)

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

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USGS Water-Year Summary 2023

04108660 KALAMAZOO RIVER AT NEW RICHMOND, MI

LOCATION - Lat 42°39'03", long 86°06'24" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.17, T.3 N., R.15 W., Allegan County, MI, Hydrologic Unit 04050003, on left bank at upstream side of pedestrian bridge in municipal park at Old Allegan Rd, 0.4 mi north of New Richmond, and 0.6 mi upstream from Mann Creek.

DRAINAGE AREA - 1,950 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - April 1994 to October 1995, October 2002 to current year. Published as "near New Richmond" October 2002 to September 2010.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 570.94 ft above NAVD 88. October 2002 to March 2011 water-stage recorder at site 1.2 mi downstream at different datum (station 04108670).

REMARKS - Flow regulated by powerplants upstream from station.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 12,900 ft³/s, Dec. 29, 2008, gage height, 13.26 ft, site and datum then in use; maximum gage height, 18.58 ft, Apr. 20, 2013, present site and datum.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1994 to 1996, 2003 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: April 2011 to October 2014, April 2015 to current year. pH: April 2011 to October 2014, April 2015 to September 2018. WATER TEMPERATURE: April 2011 to October 2014, April 2015 to current year. DISSOLVED OXYGEN: April 2011 to October 2014, April 2015 to current year. TURBIDITY: April 2011 to October 2014, April 2015 to current year.

INSTRUMENTATION - Water-quality monitor telemeter, set for 15-minute measurement interval.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 760 microsiemens, Jan. 28, 2019; minimum recorded, 285 microsiemens, Jan. 14, 2020. pH: Maximum recorded, 8.7 std. units, July 13, 2012, Mar. 29, 2016; minimum recorded, 7.1 std. units, June 16-19, 2015. WATER TEMPERATURE: Maximum recorded, 31.0°C, July 6, 2012, may have been higher during period of erroneous record July 6-13, 2012; minimum recorded, -0.2°C on Feb. 15, 2020. DISSOLVED OXYGEN: Maximum recorded, 15.4 mg/L, May 7, 2018; minimum recorded, 4.1 mg/L, Oct. 3, 2017, June 30, July 1, 2021. TURBIDITY: Maximum recorded, 1270 FNU, June 24, July 25, 2013; minimum recorded, 1.2 FNU, Dec. 31, 2017, July 1, 2023.