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WQP Home >  Providers >  STORET >  EPA_R7_WQX >  EPA_R7_WQX-Meramec River at Eureka

Meramec River at Eureka (EPA_R7_WQX-Meramec River at Eureka) 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 EPA R7 (identifier EPA_R7_WQX), has the name "Meramec River at Eureka" and has the identifier EPA_R7_WQX-Meramec River at Eureka. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07140102.

This site is located in St. Louis County County, Missouri at 38.4746000000 degrees latitude and -90.6600000000 degrees longitude using the datum NAD83. 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 "EPA_R7_WQX-Meramec River at Eureka" 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, Minor, Metals 2006 - 2012
Inorganics, Minor, Non-metals 2006 - 2012
Not Assigned 2006 - 2012
Organics, Other 2006 - 2012
Organics, PCBs 2006 - 2012
Organics, Pesticide 2006 - 2012
*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 EPA_R7_WQX
OrganizationFormalName EPA R7
MonitoringLocationIdentifier EPA_R7_WQX-Meramec River at Eureka
MonitoringLocationName Meramec River at Eureka
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 07140102
LatitudeMeasure 38.4746000000
LongitudeMeasure -90.6600000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 29
CountyCode 189
ProviderName STORET