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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-83

S Platte - Below Marcy G (CORIVWCH_WQX-83) 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 "S Platte - Below Marcy G" and has the identifier CORIVWCH_WQX-83. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10190002.

This site is located in Arapahoe County County, Colorado at 39.5674684800 degrees latitude and -105.0397575000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 5360 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-83" 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 2005 - 2023
Information 2016 - 2020
Inorganics, Major, Metals 2005 - 2024
Inorganics, Major, Non-metals 2005 - 2024
Inorganics, Minor, Metals 1992 - 2024
Inorganics, Minor, Non-metals 2005 - 2024
Not Assigned 2016 - 2020
Nutrient 2005 - 2024
Physical 1992 - 2025
Physical, Habitat 2016 - 2020
*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-83
MonitoringLocationName S Platte - Below Marcy G
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText From 470 W exit CO-75/S Platte Canyon rd. Turn R (east) onto S. Platte Canyon rd. Turn R at Depew st. (Boat storage is on the right) onto S. Platte reservoir access rd. Take this dirt road to very last parking lot. From parking lot head R under 470 bridge and continue to fork in road, turn L and go over wooden bridge. Turn L on the path and continue to Marcy gulch inlet, cross over bridge and turn L to head to Platte river below Marcy gulch.
HUCEightDigitCode 10190002
LatitudeMeasure 39.5674684800
LongitudeMeasure -105.0397575000
SourceMapScaleNumeric 160000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 5360
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 08
CountyCode 005
ProviderName STORET