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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-03086000

Ohio River at Sewickley, PA (USGS-03086000) 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 "Ohio River at Sewickley, PA" and has the identifier USGS-03086000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)05030101. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 19500 sq mi.

This site is located in Allegheny County County, Pennsylvania at 40.54918640000000 degrees latitude and -80.2056050800000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. This site is at an elevation of 679.57 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .01 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-03086000" 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*
Biological, Algae, Cyanobacteria 2001 - 2007
Biological, Algae, Phytoplankton 1972 - 1973
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2001 - 2007
Biological, Fish 1972 - 1973
Information 1961 - 2021
Inorganics, Major, Metals 1961 - 2023
Inorganics, Major, Non-metals 1961 - 2023
Inorganics, Minor, Metals 1961 - 2023
Inorganics, Minor, Non-metals 1972 - 2023
Microbiological 1972 - 2009
Nutrient 1961 - 2023
Organics, Other 1972 - 2023
Organics, PCBs 2008 - 2008
Organics, PFAS 2019 - 2023
Organics, Pesticide 2000 - 2009
PFAS,Perfluorinated Alkyl Substance 2019 - 2023
PFOA, Perfluorooctanoic Acid 2019 - 2023
Physical 1961 - 2023
Radiochemical 1976 - 2010
Sediment 1972 - 2007
*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-03086000
MonitoringLocationName Ohio River at Sewickley, PA
MonitoringLocationTypeName Stream
HUCEightDigitCode 05030101
DrainageAreaMeasure/MeasureValue 19500
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 40.54918640000000
LongitudeMeasure -80.2056050800000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 679.57
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 42
CountyCode 003
ProviderName NWIS