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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-PA >  USGS-402939076485801

Unn Trib to Unn Trib to Armstrong Cr nr Enders, PA (USGS-402939076485801) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Pennsylvania Water Science Center (identifier USGS-PA), has the name "Unn Trib to Unn Trib to Armstrong Cr nr Enders, PA" and has the identifier USGS-402939076485801. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02050301. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 3.78 sq mi.

This site is located in Dauphin County County, Pennsylvania at 40.49416667000000 degrees latitude and -76.8161111000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is 1 seconds. The source map scale is 1:24000.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-402939076485801" 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 2001 - 2001
Nutrient 2001 - 2001
Physical 2001 - 2001
Sediment 2001 - 2001
*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 USGS-PA
OrganizationFormalName USGS Pennsylvania Water Science Center
MonitoringLocationIdentifier USGS-402939076485801
MonitoringLocationName Unn Trib to Unn Trib to Armstrong Cr nr Enders, PA
MonitoringLocationTypeName Stream
HUCEightDigitCode 02050301
DrainageAreaMeasure/MeasureValue 3.78
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 40.49416667000000
LongitudeMeasure -76.8161111000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 42
CountyCode 043
ProviderName NWIS