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.

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 >  LADEQWPD >  LADEQWPD-976

Bayou Chalpin (LADEQWPD-976) 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/Watershed Planning Division (identifier LADEQWPD), has the name "Bayou Chalpin" and has the identifier LADEQWPD-976. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08070300.

This site is located in West Baton Rouge Parish County, Louisiana at 30.4771350 degrees latitude and -91.3878900 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "LADEQWPD-976" 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, Major, Non-metals 2004 - 2004
Inorganics, Minor, Metals 2000 - 2000
Inorganics, Minor, Non-metals 2000 - 2000
Nutrient 2004 - 2004
Organics, Other 2004 - 2004
Physical 2000 - 2004
*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
OrganizationFormalName LDEQ/Watershed Planning Division
MonitoringLocationIdentifier LADEQWPD-976
MonitoringLocationName Bayou Chalpin
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Hwy 76 bridge, 250 yds west of Bayou Poydras Rd (Hwy 413), 4 miles South of Erwinville, 4.5 miles SW of Carey
HUCEightDigitCode 08070300
LatitudeMeasure 30.4771350
LongitudeMeasure -91.3878900
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 22
CountyCode 121
ProviderName STORET