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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_RESD_NR04

NASSAU RIVER AT ALLIGATOR CREEK (11NPSWRD_WQX-TIMU_RESD_NR04) 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 RIVER AT ALLIGATOR CREEK" and has the identifier 11NPSWRD_WQX-TIMU_RESD_NR04. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03070205.

This site is located in Nassau County County, Florida at 30.5590278000 degrees latitude and -81.4930833000 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_NR04" 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 1987 - 1987
Inorganics, Minor, Metals 1985 - 1992
Inorganics, Minor, Non-metals 1987 - 1992
Microbiological 1985 - 1992
Nutrient 1985 - 1992
Physical 1985 - 1992
*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_NR04
MonitoringLocationName NASSAU RIVER AT ALLIGATOR CREEK
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE AMELIA CITY; FLORIDA 7.5' SERIES (TOPOGRAPHIC) QUADRANGLE. STATION NR04 WAS AT THE NASSAU RIVER THREE QUARTERS OF A KILOMETER SOUTHEAST OF SEYMOUR POINT AT THE ALLIGATOR CREEK POINT OF DISCHARGE AT MIDCHANNEL INSIDE OF THE TIMUCUAN ECOLOGICAL AND HISTORIC PRESERVE (TIMU) PARK BOUNDARIES. THE RIVER 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 NR_HY; NR_L; AND NR_M. FOR MORE INFORMATION ABOUT THE PARK 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 30.5590278000
LongitudeMeasure -81.4930833000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 12
CountyCode 089
ProviderName STORET