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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-PAIS_2491_300

MARKER 129 EAST OF PORT ISABEL (11NPSWRD_WQX-PAIS_2491_300) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This estuary site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "MARKER 129 EAST OF PORT ISABEL" and has the identifier 11NPSWRD_WQX-PAIS_2491_300. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12110208.

This site is located in Cameron County County, Texas at 26.1060000000 degrees latitude and -97.2108333000 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-PAIS_2491_300" 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*
Biological, Algae, Phytoplankton 1972 - 1974
Nutrient 1971 - 1974
Physical 1971 - 1974
*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-PAIS_2491_300
MonitoringLocationName MARKER 129 EAST OF PORT ISABEL
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE PORT ISABEL TEXASCAMERON CO. 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE AND IS OUTSIDE OF THE PADRE ISLAND NATIONAL SEASHORE BOUNDARY. THIS SITE IS AT MARKER 129 ON THE INTRACOASTAL WATERWAY EAST OF PORT ISABEL. DATA ARE FROM A REPORT BY STEVE WARSHAW OF THE TEXAS WATER QUALITY BOARD; "WATER QUALITY SEGMENT REPORT FOR SEGMENT NO. 2491 LAGUNA MADRE;" JUNE 1975. "THE REPORT IS DESIGNED TO DESCRIBE PREVAILING WATER QUALITY IN A SEGMENT AND TO PROVIDE A BASIS FOR DECISION MAKING IN THE CONTINUING EFFORT TO MAINTAIN AND IMPROVE THE QUALITY OF TEXAS' SURFACE WATERS." DATA WERE PROCESSED AND UPLOADED TO STORET BY RONDA BURNS; NATIONAL PARK SERVICE WATER RESOURCES DIVISION; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS CO 80525 (TEL. 9702253516).*** Legacy STORET Station Type: /TYPA/AMBNT/ESTURY
HUCEightDigitCode 12110208
LatitudeMeasure 26.1060000000
LongitudeMeasure -97.2108333000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 48
CountyCode 061
ProviderName STORET