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WQP Home >  Providers >  STORET >  11NPSWRD_WQX >  11NPSWRD_WQX-LEWI_NPS_EPPO

EPHEMERAL POND (11NPSWRD_WQX-LEWI_NPS_EPPO) site data in the Water Quality Portal

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

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "EPHEMERAL POND" and has the identifier 11NPSWRD_WQX-LEWI_NPS_EPPO. 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 46.1341667000 degrees latitude and -123.8812778000 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_EPPO" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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_EPPO
MonitoringLocationName EPHEMERAL POND
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText THE SITE IS LOCATED ON THE WARRENTON OREG.WASH. 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE; AND IS WITHIN FORT CLATSOP NATIONAL MEMORIAL. EPHEMERAL POND IS LOCATED NEAR CLAY PIT POND (FOCL_NPS_CPPO) AND IS BELIEVED TO BE CONNECTED HYDROLOGICALLY TO IRON SPRING (FOCL_NPS_IRSP). THE POND IS SMALL AND EPHEMERAL. CONSEQUENTLY NO AMPHIBIANS HAVE EVER BEEN OBSERVED AT THE POND. 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. SAMPLES FOR THE REPORT WERE COLLECTED FROM 1994 THROUGH 1997. 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 UP LOADED 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/LAKE
HUCEightDigitCode 17080006
LatitudeMeasure 46.1341667000
LongitudeMeasure -123.8812778000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 41
CountyCode 007
ProviderName STORET