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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  EPA_R7_WQX >  EPA_R7_WQX-Meramec R. at Valley Park Access

Meramec R. at Valley Park Access (EPA_R7_WQX-Meramec R. at Valley Park Access) 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 R. at Valley Park Access" and has the identifier EPA_R7_WQX-Meramec R. at Valley Park Access. 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 38.5461000000 degrees latitude and -90.4846000000 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 R. at Valley Park Access" 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, Minor, Metals 2007 - 2009
Inorganics, Minor, Non-metals 2007 - 2009
Not Assigned 2007 - 2009
Organics, PCBs 2007 - 2009
Organics, Pesticide 2007 - 2009
*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 R. at Valley Park Access
MonitoringLocationName Meramec R. at Valley Park Access
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 07140102
LatitudeMeasure 38.5461000000
LongitudeMeasure -90.4846000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 29
CountyCode 189
ProviderName STORET