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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-LYJO_CRWN_281

Pedernales River Upstream of U.S. Route 281 in Johnson City (11NPSWRD_WQX-LYJO_CRWN_281) 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 "Pedernales River Upstream of U.S. Route 281 in Johnson City" and has the identifier 11NPSWRD_WQX-LYJO_CRWN_281. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12090206.

This site is located in Blanco County County, Texas at 30.2916660000 degrees latitude and -98.4007770000 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-LYJO_CRWN_281" 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*
Microbiological 1995 - 1999
Nutrient 1995 - 1999
Physical 1995 - 1999
*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-LYJO_CRWN_281
MonitoringLocationName Pedernales River Upstream of U.S. Route 281 in Johnson City
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText The station is located on the Johnson City, TexasBlanco County 7.5 minute (topographic) quadrangle. The site is located at the Pedernales River upstream of the U.S. Route 281 Bridge. The data were collected by students of Lyndon B. Johnson High School in Johnson City, TX, for the Colorado River Watch Network, a volunteer program of the Lower Colorado River Authority.
HUCEightDigitCode 12090206
LatitudeMeasure 30.2916660000
LongitudeMeasure -98.4007770000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 48
CountyCode 031
ProviderName STORET