Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
04116500 Flat River at Smyrna, MI
LOCATION - Lat 43°03'10", long 85°15'53" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.28, T.8 N., R.8 W., Ionia County, MI, Hydrologic Unit 04050006, on right bank at downstream side of former bridge on Ingalls Road, 0.5 mi south of Smyrna.
DRAINAGE AREA - 528 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1950 to September 1986 (operated as a continuous-record gaging station), water years 1993 to current year.
GAGE - Water-stage recorder. Datum of gage is 729.14 ft above NAVD 88, converted on July 9, 2020 from NGVD 29 (levels by Michigan Department of Natural Resources).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,700 ft³/s, Sept. 13, 1986, gage height, 9.05 ft; minimum (water years 1951-86), 7.4 ft³/s, Sept. 9, 1953.
