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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-LEWI_NPS_LGSL

LITTLE GREEN SLOUGH (11NPSWRD_WQX-LEWI_NPS_LGSL) 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 "LITTLE GREEN SLOUGH" and has the identifier 11NPSWRD_WQX-LEWI_NPS_LGSL. 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 46.1325000000 degrees latitude and -123.8734167000 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_LGSL" 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*
Physical 1995 - 1996
*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_LGSL
MonitoringLocationName LITTLE GREEN SLOUGH
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE SITE IS LOCATED ON THE ASTORIA OREG.WASH. 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE AND IS LOCATED WITHIN THAT PORTION OF FORT CLATSOP NATIONAL MEMORIAL WHICH LIES EAST OF LEWIS AND CLARK RIVER. LITTLE GREEN SLOUGH IS ADJACENT TO GREEN SLOUGH; BUT THE HYDROLOGIC CONNECTION BETWEEN THE TWO IS SLIGHT DUE TO A DIKE. THE AREA RECEIVES HEAVY APPLICATIONS OF HERBICIDES DUE TO FARMING NEARBY. THE DATA WERE COLLECTED BY PARK PERSONNEL FOR INCLUSION IN THE 1998 REPORT "BASELINE WATER QUALITY INVENTORYFORT CLATSOP NATIONAL MEMORIAL"; TECHNICAL REPORT NPS/CCSOOSU/NRTR98/12. BUT DUE TO LOGISTICAL PROBLEMS THE SITE WAS ABANDONED AROUND 1994; AND THE DATA WAS NOT INCLUDED IN THE REPORT. FOR MORE INFORMATION CONTACT RESOURCE MANAGEMENT AT FORT CLATSOP NATIONAL MEMORIAL; ROUTE 3 BOX 604FC; ASTORIA; OR 97103; PH. (503)8612471; FAX (503)8612585. DATA WERE PROCESSED AND UPLOADED TO STORET BY ERIC LORD AT NPSWRD; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS CO 80525; PH. (970)2253516.*** Legacy STORET Station Type: /TYPA/AMBNT/STREAM
HUCEightDigitCode 17080006
LatitudeMeasure 46.1325000000
LongitudeMeasure -123.8734167000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 41
CountyCode 007
ProviderName STORET