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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.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
04175120 Huron River at Rockwood, MI
LOCATION - Lat 42°03'51", long 83°15'14" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.16, T.5 S., R.10 E., Wayne County, MI, Hydrologic Unit 04090005, at Fort Road, in Rockwood, MI.
DRAINAGE AREA - 851 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2015 to September 2015 (discontinued).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 567.1 feet above NAVD 88.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water year 2015 to September 2016 (discontinued).
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 2015 to September 2016. pH: May 2015 to September 2016. WATER TEMPERATURE: May 2015 to September 2016. DISSOLVED OXYGEN: May 2015 to September 2016. TURBIDITY: May 2015 to September 2016.
INSTRUMENTATION - Water-quality monitor telemeter, set for 15-minute interval.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 1920 microsiemens, July 2, 2016; minimum recorded, 602 microsiemens, June 23, 2015. pH: Maximum recorded, 8.6 std. units, several days in water year 2016; minimum recorded, 7.4 std. units, several days in water year 2016. WATER TEMPERATURE: Maximum recorded, 28.9°C, July 23, 2016; minimum recorded, 0.1°C, several days in January 2016. DISSOLVED OXYGEN: Maximum recorded, 14.8 mg/L, Feb. 11, 12, 2016; minimum recorded, 5.0 mg/L, July 24, 2016. TURBIDITY: Maximum recorded, 780 FNU, June 1, 2015; minimum recorded, 0.5 FNU, July 21, 2015.
