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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  2025-09-26
2020-10-21  2025-09-26
2020-10-21  2025-09-26
2020-10-21  2025-09-26







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 1.70 09-26-2025   01:15 CDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 26 based on 6 water years of record more
Min
(2024)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Sep 26		 Mean 75th
percen-
tile		 Max
(1992)
0.48 0.49 0.91 1.70 1.7 3.1 5.30

Gage height, feet
Most recent instantaneous value: 15.92 09-26-2025   01:15 CDT
Graph of Gage height, feet

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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 614.37 09-26-2025   01:15 CDT
Graph of Stream water level elevation above NAVD 1988, in feet

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