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
04114000 GRAND RIVER AT PORTLAND, MI
LOCATION - Lat 42°51'23", long 84°54'44" referenced to North American Datum of 1927, in NW 1/4 sec.04, T.5 N., R.5 W., Ionia County, MI, Hydrologic Unit 04050004, on left bank at downstream side of bridge on Kent Street, 1.0 mi south of Portland, 1.9 mi upstream from Looking Glass River, and at mile 115.
DRAINAGE AREA - 1,385 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1952 to March 1982, June 1988 to current year. Gage-height records collected in this vicinity 1907-28 (flood seasons only) are contained in reports of the National Weather Service.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 704.52 ft above NAVD 88 (levels by Michigan Department of Transportation). Prior to July 6, 1953, nonrecording gage at same site and datum.
REMARKS - Slight diurnal fluctuation caused by powerplants upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 12,400 ft³/s, Apr. 21, 1975, gage height, 12.98 ft; maximum gage height, 13.62 ft, Jan. 26, 2024, backwater from ice; minimum discharge, 38 ft³/s, Oct. 10, 1963.
