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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
04121970 MUSKEGON RIVER NEAR CROTON, MI
LOCATION - Lat 43°26'05", long 85°39'55" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.18, T.12 N., R.11 W., Newaygo County, MI, Hydrologic Unit 04060102, on right bank 75 ft downstream from Croton Drive, 0.4 mi southwest of Croton.
DRAINAGE AREA - 2,313 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1995 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 675.21 ft above NAVD88.
REMARKS - Flow completely regulated by Croton Dam 1,000 ft upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,600 ft³/s, Apr. 15, 2014, gage height, 12.89 ft; minimum discharge, 492 ft³/s, July 11, 2012.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - August 12, 2014 to current year.
INSTRUMENTATION - A OTT Pluvio2 weighing bucket rain gage attached to gage house.
REMARKS - Rainfall recorded in hundredths of an inch.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1996 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: March 2011 to September 2013.
pH: March 2011 to September 2013.
WATER TEMPERATURE: October 1995 to current year.
DISSOLVED OXYGEN: October 1995 to current year.
TURBIDITY: March 2011 to September 2013.
INSTRUMENTATION - Water-quality monitor. Automatic (event-driven) pump sampler Mar. 21, 2011 to Sept. 19, 2013. Data for parameter code 63680 (Turbidity) was collected using a probe with the following specifications: turbidity, water, monochrome near infrared LED light, 780-900 nm, detection angle 90 +/- 2.5 degrees, FNU (Formazin Nephelometric Units).
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 440 microsiemens, Jan. 23, 2012; minimum recorded, 115 microsiemens, May 1, 2011.
pH: Maximum recorded, 8.7 units, June 12, 13, 2012; minimum recorded, 7.5 units, on several days during summer water year 2011.
WATER TEMPERATURE: Maximum recorded, 25.5°C, July 10, 2020; minimum recorded, 0.3°C, Jan. 20, 2009.
DISSOLVED OXYGEN: Maximum recorded, 14.8 mg/L, Apr. 13, 14, 20, 21, 2013, Jan. 20, 2020; minimum recorded, 1.7 mg/L, Sept. 30, Oct. 1, 2008.
TURBIDITY: Maximum recorded, 100 FNU, Apr. 13, 20, 21, 24, 25, 2013, but may have been higher during periods of missing record; minimum recorded, 0.0 FNU, on many days, but may have also occurred during periods of missing record.
