Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here. This user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  MNPCA >  MNPCA-S000-257

KNIFE RIVER UPSTREAM OF OLD US-61 AT KNIFE RIVER (MNPCA-S000-257) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This river/stream site, maintained by the Minnesota Pollution Control Agency - Ambient Surface Water (identifier MNPCA), has the name "KNIFE RIVER UPSTREAM OF OLD US-61 AT KNIFE RIVER" and has the identifier MNPCA-S000-257. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04010102.

This site is located in Lake County County, Minnesota at 46.9477700000 degrees latitude and -91.7847700000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MNPCA-S000-257" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Biological, Algae, Cyanobacteria 1998 - 2010
Biological, Algae, Phytoplankton 1998 - 2010
Information 2012 - 2012
Inorganics, Major, Metals 1973 - 2022
Inorganics, Major, Non-metals 1973 - 2023
Inorganics, Minor, Metals 1973 - 2010
Inorganics, Minor, Non-metals 1973 - 1996
Microbiological 1973 - 2023
Not Assigned 1973 - 1975
Nutrient 1973 - 2023
Organics, Other 1973 - 2010
Organics, Pesticide 1973 - 1975
Physical 1973 - 2023
Radiochemical 1973 - 1975
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier MNPCA
OrganizationFormalName Minnesota Pollution Control Agency - Ambient Surface Water
MonitoringLocationIdentifier MNPCA-S000-257
MonitoringLocationName KNIFE RIVER UPSTREAM OF OLD US-61 AT KNIFE RIVER
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText KNIFE RIVER SAMPLE TAKEN 100 FEET UPSTREAM OF OLD US-61 BRIDGE AND DOWNSTREAM OF COUNTY ROAD 102 AT KNIFE RIVER, MINNESOTA; LAKE SUPERIOR BASIN. T52N/R11W/S31. LAKE COUNTY. SAMPLED 15 TIMES A YEAR UNDER CONTRACT WITH THE EPA FOR THE LAKE SUPERIOR TRIBUTARY STUDY. PERIOD SAMPLED: 1973-75. FLOW DATA WAS ALSO COLLECTED BY THE MPCA DURING THIS SPECIAL STUDY. SAMPLED MONTHLY BY THE MINNESOTA POLLUTION CONTROL AGENCY FOR ROUTINE WATER QUALITY MONITORING. PERIOD SAMPLED: 100180-093081, 100183-093084, 100186-093087, 100189-093090. MAJOR BASIN NAME: GREAT LAKES. BASIN CODE: 222302. MINOR BASIN NAME: LAKE SUPERIOR. COORDINATES UPDATED: 1-27-2010. OLD COORDINATES: 46.9482222 / -91.784
HUCEightDigitCode 04010102
LatitudeMeasure 46.9477700000
LongitudeMeasure -91.7847700000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 27
CountyCode 075
ProviderName STORET