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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-PINN_NPS_UCDNW

Upper Chalone Creek Downstream of North and West Forks (11NPSWRD_WQX-PINN_NPS_UCDNW) 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 "Upper Chalone Creek Downstream of North and West Forks" and has the identifier 11NPSWRD_WQX-PINN_NPS_UCDNW. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18060005.

This site is located in San Benito County County, California at 36.5014869000 degrees latitude and -121.1802841000 degrees longitude using the datum WGS84. 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-PINN_NPS_UCDNW" 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*
Not Assigned 1997 - 1998
Nutrient 1997 - 1998
Organics, Other 1998 - 1998
Physical 1997 - 1998
*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-PINN_NPS_UCDNW
MonitoringLocationName Upper Chalone Creek Downstream of North and West Forks
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText This station is at Upper Chalone Creek approximately 20 meters downstream of confluence of North Fork and West Fork Chalone Creek.
HUCEightDigitCode 18060005
LatitudeMeasure 36.5014869000
LongitudeMeasure -121.1802841000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 06
CountyCode 069
ProviderName STORET