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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-NACE_AN_POTHAIN

POTOMAC RIVER SOUTH OF HAIN'S POINT (11NPSWRD_WQX-NACE_AN_POTHAIN) 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 "POTOMAC RIVER SOUTH OF HAIN'S POINT" and has the identifier 11NPSWRD_WQX-NACE_AN_POTHAIN. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070010.

This site is located in District Of Columbia County, District Of Columbia at 38.8512778000 degrees latitude and -77.0217222000 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-NACE_AN_POTHAIN" 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 1990 - 1997
Physical 1990 - 1997
*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-NACE_AN_POTHAIN
MonitoringLocationName POTOMAC RIVER SOUTH OF HAIN'S POINT
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE ALEXANDRIA VA.D.C.MD. 7.5 MINUTE SERIES (TOPOGRAPHICBATHYMETRIC) QUADRANGLE. THE SITE IS ON THE POTOMAC RIVER APPROXIMATELY 1/2 MILE SOUTH OF HAIN'S POINT. THE SITE WAS ACCESSED BY BOAT. THE SAMPLES WERE COLLECTED FROM 26 JUNE 1990 UNTIL 13 SEPTEMBER 1995. SAMPLES WERE ANALYZED FOR DISSOLVED OXYGEN; CONDUCTIVITY; SECCHI DEPTH; TURBIDITY; AND SUSPENDED SOLIDS. SAMPLES WERE COLLECTED BY RICHARD HAMMERSCHLAG; CENTER FOR URBAN ECOLOGY; 4598 MCARTHUR BLVD NW; WASHINGTON DC 20242. TEL (202) 3421443. FOR MORE INFORMATION CONTACT CHIEF OF RESOURCES AT NATIONAL CAPITAL PARKS; 1100 OHIO DRIVE SW; WASHINGTON DC 20242. TEL (202) 6197222. DATA WERE PROCESSED AND UPLOADED TO STORET BY PAUL MCELVERY AT NPSWRD; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS COLORADO 80525. TEL (970)2253516.*** Legacy STORET Station Type: /TYPA/AMBNT/ESTURY
HUCEightDigitCode 02070010
LatitudeMeasure 38.8512778000
LongitudeMeasure -77.0217222000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 11
CountyCode 001
ProviderName STORET