Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins
Click to hide state-specific text

NOTE: During winter months, stage and discharge may be affected by ice. Click here for more information.

* IMPORTANT: Next Generation Station Page



Click to hidestation-specific text

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

DRAINAGE AREA.-- 3,700 square miles.

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.

REVISED RECORDS.--WRD WI-80-1: Drainage area.

GAGE.--Water-stage recorder and acoustic velocity meter. Elevation of gage is 655.37 ft, datum of 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.--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.

Use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.


Federal Energy Regulatory Commission Licensee:

Wisconsin Public Service Corporation Logo Wisconsin Public Service Corporation

Additional Information:

National Weather Service Logo National Weather Service Flood Forecast Page

Boating safety tips
This station managed by the Northeast Wisconsin Field Office - Rhinelander WI.

Available Parameters Available Period
1998-06-01  2021-04-27
2017-10-01  2021-04-27
2019-10-01  2021-04-27
2021-01-06  2021-04-27


  -- or --



Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.