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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_GS67_WIL

Willow Spring (11NPSWRD_WQX-PINN_GS67_WIL) 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 "Willow Spring" and has the identifier 11NPSWRD_WQX-PINN_GS67_WIL. 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 36.5092858000 degrees latitude and -121.1813224000 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_GS67_WIL" 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 1963 - 1963
Inorganics, Major, Non-metals 1963 - 1963
Inorganics, Minor, Metals 1963 - 1963
Inorganics, Minor, Non-metals 1963 - 1963
Nutrient 1963 - 1963
Organics, Other 1963 - 1963
Physical 1963 - 1963
*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_GS67_WIL
MonitoringLocationName Willow Spring
MonitoringLocationTypeName Spring
MonitoringLocationDescriptionText The Willow Spring sampling site was described in the 1967 source report as being 'in a small canyon tributary to Chalone Creek about 1.5 miles northwest of Chalone campground.
HUCEightDigitCode 18060005
LatitudeMeasure 36.5092858000
LongitudeMeasure -121.1813224000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 06
CountyCode 069
ProviderName STORET