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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 >  STORET >  USACE-STL-EC-E >  USACE-STL-EC-E-SLH-2

Saint Louis Harbor Mississippi River Mile 178; St Louis Missouri (USACE-STL-EC-E-SLH-2) 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 US Army Corps of Engineers St.Louis District (identifier USACE-STL-EC-E), has the name "Saint Louis Harbor Mississippi River Mile 178; St Louis Missouri" and has the identifier USACE-STL-EC-E-SLH-2. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07140101.

This site is located in St. Louis City County, Missouri at 38.5887780000 degrees latitude and -90.2063280000 degrees longitude using the datum WGS84. 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 "USACE-STL-EC-E-SLH-2" 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 2012 - 2018
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2012 - 2018
Inorganics, Major, Non-metals 2015 - 2015
Nutrient 2012 - 2018
Organics, Other 2012 - 2018
Physical 2012 - 2018
*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 USACE-STL-EC-E
OrganizationFormalName US Army Corps of Engineers St.Louis District
MonitoringLocationIdentifier USACE-STL-EC-E-SLH-2
MonitoringLocationName Saint Louis Harbor Mississippi River Mile 178; St Louis Missouri
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 07140101
LatitudeMeasure 38.5887780000
LongitudeMeasure -90.2063280000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 29
CountyCode 510
ProviderName STORET