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 >  NARS_WQX >  NARS_WQX-NRS_MI-10104

Au Sable River (NARS_WQX-NRS_MI-10104) 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 EPA National Aquatic Resources Survey (NARS) (identifier NARS_WQX), has the name "Au Sable River" and has the identifier NARS_WQX-NRS_MI-10104. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04070007.

This site is located in Oscoda County County, Michigan at 44.6744892000 degrees latitude and -84.3274679600 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 303.45 m No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "NARS_WQX-NRS_MI-10104" 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, Phytoplankton 2019 - 2019
Biological, Counts 2019 - 2019
Inorganics, Major, Metals 2019 - 2019
Inorganics, Major, Non-metals 2019 - 2019
Nutrient 2019 - 2019
Organics, Other 2019 - 2019
Physical 2019 - 2019
*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 NARS_WQX
OrganizationFormalName EPA National Aquatic Resources Survey (NARS)
MonitoringLocationIdentifier NARS_WQX-NRS_MI-10104
MonitoringLocationName Au Sable River
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText RiversMajor
HUCEightDigitCode 04070007
LatitudeMeasure 44.6744892000
LongitudeMeasure -84.3274679600
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 303.45
VerticalMeasure/MeasureUnitCode m
VerticalCollectionMethodName Unknown
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 26
CountyCode 135
ProviderName STORET