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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-03085000

Monongahela River at Braddock, PA (USGS-03085000) 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 "Monongahela River at Braddock, PA" and has the identifier USGS-03085000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)05020005. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 7337 sq mi.

This site is located in Allegheny County County, Pennsylvania at 40.39113189000000 degrees latitude and -79.8580943000000 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 709.15 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-03085000" 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, Phytoplankton 1973 - 1981
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 1973 - 1978
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1974 - 1978
Biological, Counts 1974 - 1981
Biological, Fish 1973 - 1973
Biological, Photosynthetic Pigments 1974 - 1978
Information 1959 - 2021
Inorganics, Major, Metals 1926 - 2023
Inorganics, Major, Non-metals 1926 - 2023
Inorganics, Minor, Metals 1926 - 2023
Inorganics, Minor, Non-metals 1973 - 2023
Microbiological 1973 - 2002
Nutrient 1926 - 2023
Organics, Other 1973 - 2019
Organics, PCBs 1976 - 2008
Organics, PFAS 2019 - 2019
Organics, Pesticide 1975 - 2008
PFAS,Perfluorinated Alkyl Substance 2019 - 2019
PFOA, Perfluorooctanoic Acid 2019 - 2019
Physical 1926 - 2023
Population/Community 1977 - 1977
Radiochemical 1975 - 2023
Sediment 1973 - 2000
*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-03085000
MonitoringLocationName Monongahela River at Braddock, PA
MonitoringLocationTypeName Stream
HUCEightDigitCode 05020005
DrainageAreaMeasure/MeasureValue 7337
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 40.39113189000000
LongitudeMeasure -79.8580943000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 709.15
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