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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 >  LADEQWPD_WQX >  LADEQWPD_WQX-0022

Atchafalaya River South of Simmesport, Louisiana (LADEQWPD_WQX-0022) 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 LDEQ/Water Planning and Assessment (Louisiana) (identifier LADEQWPD_WQX), has the name "Atchafalaya River South of Simmesport, Louisiana" and has the identifier LADEQWPD_WQX-0022. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08080101.

This site is located in Avoyelles Parish County, Louisiana at 30.9683660000 degrees latitude and -91.8071470000 degrees longitude using the datum WGS84. The horizontal location collection method was "Unknown" and the accuracy is 12 m. The source map scale is 1:0.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "LADEQWPD_WQX-0022" 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*
Information 2009 - 2013
Inorganics, Major, Metals 2006 - 2014
Inorganics, Major, Non-metals 2005 - 2018
Inorganics, Minor, Metals 2006 - 2014
Inorganics, Minor, Non-metals 2006 - 2010
Microbiological 2005 - 2018
Not Assigned 2006 - 2018
Nutrient 2005 - 2018
Organics, Other 2005 - 2018
Organics, Pesticide 2006 - 2018
Physical 2005 - 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 LADEQWPD_WQX
OrganizationFormalName LDEQ/Water Planning and Assessment (Louisiana)
MonitoringLocationIdentifier LADEQWPD_WQX-0022
MonitoringLocationName Atchafalaya River South of Simmesport, Louisiana
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText at LA-105 boat launch, 0.7 miles south of LA-1 bridge, 0.3 miles southeast of South Simms Street and College Drive intersection, 1.3 miles south of Simmesport, 6.1 miles west-northwest of Lettsworth, 3.3 miles north of Odenburg
HUCEightDigitCode 08080101
LatitudeMeasure 30.9683660000
LongitudeMeasure -91.8071470000
SourceMapScaleNumeric 0
HorizontalAccuracyMeasure/MeasureValue 12
HorizontalAccuracyMeasure/MeasureUnitCode m
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 22
CountyCode 009
ProviderName STORET