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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-GLCA_NPS_495232

LAKE POWELL AT COLO R BAY (11NPSWRD_WQX-GLCA_NPS_495232) 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 National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "LAKE POWELL AT COLO R BAY" and has the identifier 11NPSWRD_WQX-GLCA_NPS_495232. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)14070001.

This site is located in San Juan County County, Utah at 37.8905556000 degrees latitude and -110.3697222000 degrees longitude using the datum NAD27. 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 "11NPSWRD_WQX-GLCA_NPS_495232" 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 1976 - 1977
Inorganics, Major, Non-metals 1976 - 1977
Inorganics, Minor, Metals 1976 - 1977
Inorganics, Minor, Non-metals 1976 - 1977
Nutrient 1976 - 1977
Organics, Other 1976 - 1977
Physical 1976 - 1977
*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-GLCA_NPS_495232
MonitoringLocationName LAKE POWELL AT COLO R BAY
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE SEWING MACHINE UTAH 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE. LAKE POWELL AT COLORADO RIVER BAY IS LOCATED INSIDE THE GLEN CANYON NATIONAL RECREATIONAL AREA. THE SAMPLES WERE COLLECTED AND ANALYZED BY NATIONAL PARK SERVICE PERSONNEL. MONITORING OF SPRINGS BEGAN IN RESPONSE TO A PROPOSED SITING OF A NUCLEAR WASTE REPOSITORY NEAR THE PARK AS STATED BY B. LONG AND R. SMITH IN THE REPORT "WATER QUALITY DATA ANALYSIS AND INTERPRETATION FOR SPRING MONITORING SITES SOUTHEAST UTAH GROUP" (AUGUST 1996). THE INITIAL MONITORING OBJECTIVES WERE TO ESTABLISH A BASELINE DATABASE; DETECT POTENTIAL CHANGES; AND IDENTIFY AREAS OF CONCERN. THE UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY ANALYZED THE SAMPLES IN A COOPERATIVE EFFORT WITH THE PARK SERVICE. THESE DATA CAN BE FOUND UNDER THE STATION 495232. DATA WERE PROCESSED AND UPLOADED TO STORET BY LISA DUMMER; NATIONAL PARK SERVICE WATER RESOURCES DIVISION; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS CO 80525 (TEL. 9702253516).*** Legacy STORET Station Type: /TYPA/AMBNT/STREAM
HUCEightDigitCode 14070001
LatitudeMeasure 37.8905556000
LongitudeMeasure -110.3697222000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 49
CountyCode 037
ProviderName STORET