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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-12108A1

MONARCH LAKE SITE 1 TOP (21COL001_WQX-12108A1) site data in the Water Quality Portal

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

This reservoir site, maintained by the Colorado Dept. of Public Health & Environment-WQCD (identifier 21COL001_WQX), has the name "MONARCH LAKE SITE 1 TOP" and has the identifier 21COL001_WQX-12108A1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)14010001.

This site is located in Grand County County, Colorado at 40.1055000000 degrees latitude and -105.7420000000 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-12108A1" 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 1998 - 1998
Information 1997 - 1997
Inorganics, Major, Non-metals 1998 - 1998
Inorganics, Minor, Metals 1997 - 1998
Inorganics, Minor, Non-metals 1997 - 1998
Nutrient 1997 - 1998
Physical 1997 - 1998
*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-12108A1
MonitoringLocationName MONARCH LAKE SITE 1 TOP
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText NR LAKE GRANBY
HUCEightDigitCode 14010001
LatitudeMeasure 40.1055000000
LongitudeMeasure -105.7420000000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 08
CountyCode 049
ProviderName STORET