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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-GRCA_NPS_LOPE01

Loper Spring (11NPSWRD_WQX-GRCA_NPS_LOPE01) site data in the Water Quality Portal

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

This spring site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Loper Spring" and has the identifier 11NPSWRD_WQX-GRCA_NPS_LOPE01. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)15010001.

This site is located in Coconino County County, Arizona at 36.3975000000 degrees latitude and -111.8869444000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 3710 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 "11NPSWRD_WQX-GRCA_NPS_LOPE01" 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*
Nutrient 2007 - 2007
Organics, Other 2007 - 2007
Physical 2004 - 2007
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-GRCA_NPS_LOPE01
MonitoringLocationName Loper Spring
MonitoringLocationTypeName Spring
MonitoringLocationDescriptionText Loper Canyon is located within the boundary of Grand Canyon National Park near Colorado River Mile 41.5 at river right. The site is located about 30 feet up from the first waterfall, and approximately 100 feet below the main pourover, next to a 5 foot by 5 foot boulder on the left side of the channel. Cattails, thistle and red bud vegetation are found at the site. The source is not visible but it is most likely in the Temple Butte Formation. Station description information was provided by Grand Canyon National Park staff. This station was formerly known as LOPR001 in a previous park database.
HUCEightDigitCode 15010001
LatitudeMeasure 36.3975000000
LongitudeMeasure -111.8869444000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 3710
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 04
CountyCode 005
ProviderName STORET