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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 >  21COL001_WQX >  21COL001_WQX-000120

MICHIGAN RIVER AT WALDEN (21COL001_WQX-000120) 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 Colorado Dept. of Public Health & Environment-WQCD (identifier 21COL001_WQX), has the name "MICHIGAN RIVER AT WALDEN" and has the identifier 21COL001_WQX-000120. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10180001.

This site is located in Jackson County County, Colorado at 40.7410150000 degrees latitude and -106.2819650000 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 "21COL001_WQX-000120" 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 2013 - 2013
Inorganics, Major, Metals 2011 - 2025
Inorganics, Major, Non-metals 2011 - 2025
Inorganics, Minor, Metals 2011 - 2025
Inorganics, Minor, Non-metals 2011 - 2025
Nutrient 2011 - 2025
Organics, Other 2019 - 2025
Organics, Pesticide 2019 - 2019
Physical 2011 - 2025
Radiochemical 2011 - 2025
*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 21COL001_WQX
OrganizationFormalName Colorado Dept. of Public Health & Environment-WQCD
MonitoringLocationIdentifier 21COL001_WQX-000120
MonitoringLocationName MICHIGAN RIVER AT WALDEN
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText The coordinates for this site were updated in 2007 based on the following station information from Legacy Storet: Michigan River at bridge on Colo Hwy 125 at Walden Water Treatment Plant. Jackson County. T.4-N, R.79-W, S.29
HUCEightDigitCode 10180001
LatitudeMeasure 40.7410150000
LongitudeMeasure -106.2819650000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 08
CountyCode 057
ProviderName STORET