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USGS 04010510 GRAND PORTAGE RIVER AT GRAND PORTAGE MN

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Streamgaging station and water-quality monitoring operated in cooperation with the

  USEPA Great Lakes Restoration Initiative and the

  National Park Service

USGS WaterWatch's "Site Dashboard" provides seasonal and other context-oriented information about current and historical streamflow.
This station managed by the Grand Rapids Field Office.

Available Parameters Available Period
  
2020-10-21  2026-05-05
2020-10-21  2026-05-28
2020-10-21  2026-05-28







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: Rat 05-05-2026   23:15 CDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 28 based on 6 water years of record more
Most Recent
Instantaneous
Value May 28		 Min
(1992)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2022)
-- unavailable -- 5.90 7.7 9.9 12 17 20.4

Gage height, feet
Most recent instantaneous value: 14.71 05-28-2026   08:15 CDT
Graph of Gage height, feet

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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 613.16 05-28-2026   08:15 CDT
Graph of Stream water level elevation above NAVD 1988, in feet

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