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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-SAAN_SJSR

San Antonio River 300 meters downstream of Ashley Rd. (11NPSWRD_WQX-SAAN_SJSR) 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 "San Antonio River 300 meters downstream of Ashley Rd." and has the identifier 11NPSWRD_WQX-SAAN_SJSR. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12100301.

This site is located in Bexar County County, Texas at 29.3345000000 degrees latitude and -98.4559647000 degrees longitude using the datum NAD83. 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-SAAN_SJSR" 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*
Information 2010 - 2024
Inorganics, Major, Non-metals 2010 - 2024
Microbiological 2015 - 2024
Nutrient 2010 - 2024
Organics, Other 2010 - 2024
Physical 2010 - 2024
*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-SAAN_SJSR
MonitoringLocationName San Antonio River 300 meters downstream of Ashley Rd.
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Natural river channel at mission San Juan De Capistrano
HUCEightDigitCode 12100301
LatitudeMeasure 29.3345000000
LongitudeMeasure -98.4559647000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 48
CountyCode 029
ProviderName STORET