USGS Water-Year Summary for Site 04165500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,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(Med.,Max.,Min.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

04165500 CLINTON RIVER AT MOUNT CLEMENS, MI

LOCATION - Lat 42°35'45", long 82°54'32" referenced to North American Datum of 1927, Macomb County, MI, Hydrologic Unit 04090003, on right bank at downstream side of bridge on Moravian Drive, 0.2 mi downstream from North Branch, and 0.5 mi west of Mount Clemens.

DRAINAGE AREA - 734 mi².

REVISIONS HISTORY - WSP 1084: 1943, 1945-46. WSP 1937: 1935, 1936(M), 1937-39, 1949(M), 1950. WSP 1557: Drainage area. WSP 1727: 1952(M), 1954(M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1934 to current year.

GAGE - Water-stage recorder, acoustic velocity meter and crest-stage gage. Datum of gage is 570.10 ft above NAVD 88. May 10, 1934 to Jan. 11, 1939, nonrecording gage at same site and datum. Mar. 15, 1938 to Jan. 3, 1952, auxiliary nonrecording gage 1.6 mi downstream from base gage at same datum. Jan. 4, 1952 to June 27, 2000, auxiliary water-stage recorder on right bank 2.0 mi downstream from base gage at same datum.

REMARKS - Flow since the 1960's has been augmented by effluent from municipal sewage-treatment plants and cooling water from industrial plants, most of which originates from sources outside the basin.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 21,200 ft³/s, Apr. 6, 1947, gage height, 23.55 ft, from floodmark.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1951, 1952, 1967, 1969, 1973-95, 2003 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1974 to September 1981, July 2011 to current year. pH: July 2011 to July 2018. WATER TEMPERATURE: October 1974 to September 1981, July 2011 to current year. DISSOLVED OXYGEN: July 2011 to current year. TURBIDITY: July 2011 to current year.

INSTRUMENTATION - Water-quality monitor telemeter, set for 5-minute interval.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 6,970 microsiemens, Jan. 11, 2014; minimum recorded, 126 microsiemens, July 29, 1976. pH: Maximum recorded, 8.7 std. units March 22-25, 2018; minimum recorded, 7.2 std. units, June 29, 2013. WATER TEMPERATURE: Maximum recorded, 29.5°C, Sept. 20, 1978; minimum recorded, -0.2°C, Jan. 11, 2014 and many days during winter 2017, Jan. 10, 11, and Feb. 9, 2018. DISSOLVED OXYGEN: Maximum recorded, 15.8 mg/L, Jan. 30, 2021; minimum recorded, 0.0 mg/L, Aug. 18, 19, 2014. TURBIDITY: Maximum recorded 1340 FNU, Aug. 13, 2013; minimum recorded, 0.1 FNU, Oct. 11, 2013.