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  2025-12-24
2020-10-21  2025-12-24
2020-10-21  2025-12-24
2020-10-21  2025-12-24







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 0.1 12-24-2025   18:15 CST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: Bkw 12-24-2025   18:15 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 24 based on 5 water years of record more
Most Recent
Instantaneous
Value Dec 24		 Min
(2021)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2022)
-- unavailable -- 0.79 1.3 2.9 3.2 4.4 4.61

Gage height, feet
Most recent instantaneous value: 16.11 12-24-2025   18:15 CST
Graph of Gage height, feet

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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 614.56 12-24-2025   18:15 CST
Graph of Stream water level elevation above NAVD 1988, in feet

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