Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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_RESD_TIM08

NASSAU R AT CONFLUENCE WITH ICWW/SISTERS CK (11NPSWRD_WQX-TIMU_RESD_TIM08) 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 "NASSAU R AT CONFLUENCE WITH ICWW/SISTERS CK" and has the identifier 11NPSWRD_WQX-TIMU_RESD_TIM08. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03070205.

This site is located in Duval County County, Florida at 30.5229167000 degrees latitude and -81.4611389000 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_RESD_TIM08" 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 1997 - 1998
Inorganics, Major, Metals 1997 - 1998
Inorganics, Major, Non-metals 1997 - 1998
Inorganics, Minor, Metals 1997 - 1998
Inorganics, Minor, Non-metals 1997 - 1998
Nutrient 1997 - 1998
Organics, Other 1997 - 1998
Physical 1997 - 1998
*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_RESD_TIM08
MonitoringLocationName NASSAU R AT CONFLUENCE WITH ICWW/SISTERS CK
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE AMELIA CITY; FLORIDA 7.5' SERIES (TOPOGRAPHIC) QUADRANGLE. STATION 08 WAS AT THE NASSAU RIVER AT CONFLUENCE THE ICCW/SISTERS CREEK INSIDE OF THE TIMUCUAN ECOLOGICAL AND HISTORIC PRESERVE (TIMU) PARK BOUNDARIES. STATION 08 PREVIOUSLY WAS LABELED NR2. THE CREEK WAS SAMPLED AS PART OF THE AMBIENT WATER QUALITY MONITORING PROGRAM CONDUCTED BY THE REGULATORY AND ENVIRONMENTAL SERVICES DEPARTMENT; AIR AND WATER QUALITY DIVISION OF THE CITY OF JACKSONVILLE; FLORIDA. DATA ARE FROM THE EXCEL FILES TIMF; TIML; TIMH; AND TIMTRIB CREATED BY BETSY DEUERLING; AN ENVIRONMENTAL SCIENTIST WITH THE CITY OF JACKSONVILLE. FOR MORE INFORMATION CONTACT TIMU'S CHIEF OF RESOURCES AT 13165 MT. PLEASANT ROAD; JACKSONVILLE FL 32225 (TEL. 9046417155). 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 03070205
LatitudeMeasure 30.5229167000
LongitudeMeasure -81.4611389000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 12
CountyCode 031
ProviderName STORET