USGS Water-Year Summary 2024

04066800 MENOMINEE RIVER AT KOSS, MI

LOCATION - Lat 45°23'14", long 87°42'07" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.36, T.35 N., R.28 W., Menominee County, MI, Hydrologic Unit 04030108, on left upstream bank 30 ft from river and 18 ft west of County Trunk RR (Koss) bridge, 0.3 mi southeast of Koss and 3.4 mi upstream of Grand Rapids Dam.

DRAINAGE AREA - 3,700 mi².

REVISIONS HISTORY - WDR WI-80-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1907 to March 1909 monthly discharge only (published as "at Koss"), July 1913 to September 1981 (published as 04067000 Menominee River below Koss, MI), June 1998 to current year. Records prior to October 1913 published in WSP 244, 264, and 384.

GAGE - Water-stage recorder, acoustic velocity meter (installed September 28, 2005), and crest-stage gage. Datum of gage is 655.36 ft NAVD88.  June 1913 to September 1981, headwater and tailwater gages and generation data entered hourly in daily log sheet by Wisconsin Public Service Corp. employees at powerplant 4 mi downstream. Records of daily discharge furnished by Wisconsin Public Service Corp. Prior to June 1913, chain gage on railroad bridge at Koss.

REMARKS - Records are considered good except for estimated discharges which are poor and other periods as noted. For records status prior to October 1, 2013, see remarks printed in annual water-data reports. Flow regulated by powerplants and by Michigamme Reservoir, capacity, 119,950 acre-ft, and Peavy Pond, capacity, 33,860 acre-ft, on the Michigamme River, and by many smaller reservoirs above station. Gage-height telemeter at station. Dec. 10, 2016 to Mar. 19, 2017: Fair