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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-3365

Chalk Cr - Below May Murphy (CORIVWCH_WQX-3365) 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 "Chalk Cr - Below May Murphy" and has the identifier CORIVWCH_WQX-3365. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020001.

This site is located in Chaffee County County, Colorado at 38.6867887600 degrees latitude and -106.3547955000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 10120 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-3365" 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 2014 - 2015
Information 2015 - 2015
Inorganics, Major, Metals 1986 - 2015
Inorganics, Minor, Metals 1986 - 2015
Inorganics, Minor, Non-metals 1986 - 2015
Not Assigned 2015 - 2015
Nutrient 2015 - 2015
Physical 1986 - 2015
Physical, Habitat 2015 - 2015
*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-3365
MonitoringLocationName Chalk Cr - Below May Murphy
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Upstream of Iron Chest tailings and about 50 yds downstream from Mary Murphy Tailing -- sample near the Tipple.
HUCEightDigitCode 11020001
LatitudeMeasure 38.6867887600
LongitudeMeasure -106.3547955000
SourceMapScaleNumeric 160000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 10120
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 08
CountyCode 015
ProviderName STORET