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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-TIMU_JEA_BI_8

ST. JOHNS RIVER AT BLOUNT ISLAND CHANNEL (11NPSWRD_WQX-TIMU_JEA_BI_8) 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 "ST. JOHNS RIVER AT BLOUNT ISLAND CHANNEL" and has the identifier 11NPSWRD_WQX-TIMU_JEA_BI_8. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03080103.

This site is located in Duval County County, Florida at 30.4038611000 degrees latitude and -81.5110556000 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-TIMU_JEA_BI_8" 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, Non-metals 1973 - 1973
Inorganics, Minor, Metals 1973 - 1973
Nutrient 1973 - 1973
Organics, Other 1973 - 1973
Physical 1973 - 1973
*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-TIMU_JEA_BI_8
MonitoringLocationName ST. JOHNS RIVER AT BLOUNT ISLAND CHANNEL
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE EASTPORT FLORIDADUVAL COUNTY 7.5' SERIES (TOPOGRAPHIC) QUADRANGLE. STATION BI8 WAS AT THE ST. JOHNS RIVER AT THE CONFLUENCE OF THE BLOUNT ISLAND CHANNEL AND CLAPBOARD CREEK OUTSIDE OF THE TIMUCUAN ECOLOGICAL AND HISTORIC PRESERVE (TIMU). DATA WERE PUBLISHED IN THE REPORT "SITE CERTIFICATION APPLICATION; ENVIRONMENTAL INFORMATION DOCUMENT FOR JACKSONVILLE ELECTRIC AUTHORITY; ST. JOHNS RIVER POWER PARK; UNITS 1 & 2; 19851987; VOLUME 3" BY THE ENVIROSPHERE COMPANY (1981) FOR THE JACKSONVILLE ELECTRIC AUTHORITY. THE LOCATION OF STATION BI8 WAS DETERMINED FROM FIGURE 2.514 IN THE REPORT. DATA WERE PROCESSED AND UPLOADED TO STORET BY RYAN SHY; 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 03080103
LatitudeMeasure 30.4038611000
LongitudeMeasure -81.5110556000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 12
CountyCode 031
ProviderName STORET