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 >  21COL001_WQX >  21COL001_WQX-5548

SOUTH ST. VRAIN CR. U/S BRAINARD LAKE (21COL001_WQX-5548) 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 "SOUTH ST. VRAIN CR. U/S BRAINARD LAKE" and has the identifier 21COL001_WQX-5548. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10190005.

This site is located in Boulder County County, Colorado at 40.0787670000 degrees latitude and -105.5777500000 degrees longitude using the datum WGS84. 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-5548" 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 2017 - 2017
Biological, Counts 2003 - 2017
Information 2017 - 2017
Inorganics, Major, Metals 2013 - 2017
Inorganics, Major, Non-metals 2013 - 2017
Inorganics, Minor, Metals 2013 - 2017
Inorganics, Minor, Non-metals 2013 - 2017
Nutrient 2013 - 2017
Physical 2013 - 2017
Radiochemical 2013 - 2017
*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-5548
MonitoringLocationName SOUTH ST. VRAIN CR. U/S BRAINARD LAKE
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText S. St. Vrain Creek u/s Brainard Lake. Drive to Brainard Lake. Drive around lake to west side. The first creek crossed is Mitchell Creek. Drive on to S. St. Vrain Creek. Park just past S. St. Vrain Creek. Sample approximately 20 ft. downstream from culve
HUCEightDigitCode 10190005
LatitudeMeasure 40.0787670000
LongitudeMeasure -105.5777500000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 08
CountyCode 013
ProviderName STORET