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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  WYDEQ_WATERSHED >  WYDEQ_WATERSHED-MRWI2

MRWI2 - GRINNEL CREEK (BELOW) (WYDEQ_WATERSHED-MRWI2) 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 State of Wyoming Department of Environmental Quality Watershed Program (identifier WYDEQ_WATERSHED), has the name "MRWI2 - GRINNEL CREEK (BELOW)" and has the identifier WYDEQ_WATERSHED-MRWI2. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10080012.

This site is located in Park County County, Wyoming at 44.4950000000 degrees latitude and -109.9330556000 degrees longitude using the datum UNKWN. 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 "WYDEQ_WATERSHED-MRWI2" 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, Counts 1996 - 1997
Inorganics, Major, Non-metals 1992 - 1997
Nutrient 1992 - 1997
Physical 1992 - 1997
*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 WYDEQ_WATERSHED
OrganizationFormalName State of Wyoming Department of Environmental Quality Watershed Program
MonitoringLocationIdentifier WYDEQ_WATERSHED-MRWI2
MonitoringLocationName MRWI2 - GRINNEL CREEK (BELOW)
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 10080012
LatitudeMeasure 44.4950000000
LongitudeMeasure -109.9330556000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 56
CountyCode 029
ProviderName STORET