USGS Water-Year Summary 2023
04159900 MILL CREEK NEAR AVOCA, MI
LOCATION - Lat 43°03'16", long 82°44'05" referenced to North American Datum of 1927, in NW 1/4 sec.08, T.7 N., R.15 E., St. Clair County, MI, Hydrologic Unit 04090001, on left bank at downstream side of bridge on Bricker Road, 0.2 mi upstream from Gleason Drain, and 2.3 mi west of Avoca.
DRAINAGE AREA - 169 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1963 to September 1975, water years 1976-78 (operated as a crest-stage partial-record station), 1979 (operated as a low-flow and crest-stage partial-record station), October 1987 to current year.
GAGE - Water-stage recorder. Datum of gage is 710.92 ft above NAVD 88, converted on July 9, 2020 from NGVD 29.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,570 ft³/s, Apr. 19, 1975, gage height, 8.87 ft; maximum gage
height, 9.33 ft, Feb. 10, 2001, backwater from ice; minimum discharge, 0.80 ft³/s, Aug. 9, 10, 11, 1964.