Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

WQP Home >  Providers >  STORET >  31ORWUNT_WQX >  31ORWUNT_WQX-OR187.3BACT

Ohio River at Evansville IN MP793.7 (31ORWUNT_WQX-OR187.3BACT) 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 Ohio River Valley Water Sanitation Commission (ORSANCO) (identifier 31ORWUNT_WQX), has the name "Ohio River at Evansville IN MP793.7" and has the identifier 31ORWUNT_WQX-OR187.3BACT. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)05140202.

This site is located in Vanderburgh County County, Indiana at 37.9750000000 degrees latitude and -87.6000000000 degrees longitude using the datum UNKWN. 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 "31ORWUNT_WQX-OR187.3BACT" 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*
Microbiological 2009 - 2024
*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 31ORWUNT_WQX
OrganizationFormalName Ohio River Valley Water Sanitation Commission (ORSANCO)
MonitoringLocationIdentifier 31ORWUNT_WQX-OR187.3BACT
MonitoringLocationName Ohio River at Evansville IN MP793.7
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 05140202
LatitudeMeasure 37.9750000000
LongitudeMeasure -87.6000000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 18
CountyCode 163
ProviderName STORET