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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
04151500 CASS RIVER AT FRANKENMUTH, MI
LOCATION - Lat 43°19'40", long 83°44'53" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.27, T.11 N., R.6 E., Saginaw County, MI, Hydrologic Unit 04080205, on right bank 2,000 ft downstream from dam in Frankenmuth, 3,600 ft upstream from highway bridge on Dehmel Road, 3.4 mi upstream from Dead Creek, and 17 mi upstream from mouth.
DRAINAGE AREA - 841 mi².
REVISIONS HISTORY - WSP 1307: 1936(M), 1940(M). WSP 1727: 1952. WSP 1911: 1952. WDR MI-78-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1908 to March 1909, July 1935 to September 1936, June 1939 to current year.
GAGE - Water-stage recorder. Datum of gage is 583.29 ft above NAVD 88, converted on July 9, 2020 from NGVD 29 (levels by Michigan Department of Natural Resources). February 1908 to March 1909, nonrecording gage at site 2,000 ft upstream at datum 1.81 ft lower. July 18 to Sept. 11, 1935, nonrecording gage, Sept. 12, 1935 to Sept. 30, 1936, and June 20, 1939 to Sept. 30, 1949, water-stage recorder, at site 3,600 ft downstream at datum 0.04 ft higher.
REMARKS - Occasional regulation by dams upstream from station. Prior to 1950, regulation at low and medium flows by mill upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 22,200 ft³/s, Sept. 12, 1986, gage height, 27.52 ft.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - Lowest daily mean of 1.5 ft³/s Aug. 6, 1944 is approximate.
