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-LEWI_NPS_SBSL

SOUTH BOUNDARY SLOUGH (11NPSWRD_WQX-LEWI_NPS_SBSL) site data in the Water Quality Portal

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

This river/stream site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "SOUTH BOUNDARY SLOUGH" and has the identifier 11NPSWRD_WQX-LEWI_NPS_SBSL. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17080006.

This site is located in Clatsop County County, Oregon at 46.1288889000 degrees latitude and -123.8773056000 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-LEWI_NPS_SBSL" 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, Metals 1996 - 1996
Inorganics, Major, Non-metals 1996 - 1996
Nutrient 1996 - 1996
Physical 1995 - 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-LEWI_NPS_SBSL
MonitoringLocationName SOUTH BOUNDARY SLOUGH
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE SITE IS LOCATED ON THE WARRENTON OREG.WASH. 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE; AT SOUTH BOUNDARY SLOUGH JUST OUTSIDE OF THE SOUTH BOUNDARY OF FORT CLATSOP NATIONAL MEMORIAL. THE SLOUGH ORIGINATES SOUTHWEST OF THE MEMORIAL; FLOWS THROUGH A WETLAND; BEAVER PONDS; AND A RANCH ADJACENT TO THE MEMORIAL. BEFORE DRAINING INTO THE LEWIS AND CLARK RIVER; THE CREEK FLOWS THROUGH A TIDE GATE AND UNDER FORT CLATSOP LOOP ROAD. SAMPLES ARE TAKEN NEAR THE CONFLUENCE WITH LEWIS AND CLARK RIVER. THE DATA ARE FROM THE MAY 1998 REPORT "BASELINE WATER QUALITY INVENTORYFORT CLATSOP NATIONAL MEMORIAL"; BY G.L. LARSON AND D.A. EK; TECHNICAL REPORT NPS/CCCSOOSU/NRTR98/12. THE REPORT WAS PREPARED TO DEVELOP A LONGTERM WATER QUALITY MONITORING PROGRAM. FOR MORE INFORMATION CONTACT RESOURCE MANAGEMENT AT FORT CLATSOP NATIONAL MEMORIAL; ROUTE 3 BOX 604FC; ASTORIA; OR 97103; PH. (503)8612471. DATA WERE PROCESSED AND UPLOADED TO STORET BY ERIC LORD AT NPSWRD; 1201 OAK RIDGE DR SUITE 250; FORT COLLINS; CO 80525; PH. (970)2253516.*** Legacy STORET Station Type: /TYPA/AMBNT/STREAM
HUCEightDigitCode 17080006
LatitudeMeasure 46.1288889000
LongitudeMeasure -123.8773056000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 41
CountyCode 007
ProviderName STORET