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  2026-01-05
2020-10-21  2026-01-05
2020-10-21  2026-01-05
2020-10-21  2026-01-05







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 0.2 01-05-2026   13:15 CST
Graph of Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: Bkw 01-05-2026   13:15 CST
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Jan 5 based on 5 water years of record more
Most Recent
Instantaneous
Value Jan 5		 Min
(2021)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2023)
-- unavailable -- 0.65 1.5 2.4 2.5 3.3 3.87

Gage height, feet
Most recent instantaneous value: 16.46 01-05-2026   13:15 CST
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 614.91 01-05-2026   13:15 CST
Graph of Stream water level elevation above NAVD 1988, in feet

Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |