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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 >  CORIVWCH_WQX >  CORIVWCH_WQX-289

Boulder Cr - 9th St Br (CORIVWCH_WQX-289) 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 River Watch (Volunteer) (identifier CORIVWCH_WQX), has the name "Boulder Cr - 9th St Br" and has the identifier CORIVWCH_WQX-289. 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 40.0147000000 degrees latitude and -105.2788000000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 5346 ft 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 "CORIVWCH_WQX-289" 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*
Inorganics, Major, Metals 2001 - 2014
Inorganics, Major, Non-metals 2001 - 2014
Inorganics, Minor, Metals 1994 - 2014
Inorganics, Minor, Non-metals 2001 - 2014
Nutrient 2001 - 2014
Physical 1993 - 2014
*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 CORIVWCH_WQX
OrganizationFormalName Colorado River Watch (Volunteer)
MonitoringLocationIdentifier CORIVWCH_WQX-289
MonitoringLocationName Boulder Cr - 9th St Br
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText From US Hwy 36 within the city of Boulder, turn west onto Arapahoe Ave and proceed approx 1 mi to Broadway. Turn right onto bridge over Boulder Cr, station is just east of bridge.
HUCEightDigitCode 10190005
LatitudeMeasure 40.0147000000
LongitudeMeasure -105.2788000000
SourceMapScaleNumeric 160000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 5346
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 08
CountyCode 013
ProviderName STORET