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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 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 >  NWIS >  USGS-LA >  USGS-302901090553002

Li-91 (USGS-302901090553002) site data in the Water Quality Portal

Data Provider: NWIS (Learn more about Water Quality Portal Data Providers)

This well site, maintained by the USGS Louisiana Water Science Center (identifier USGS-LA), has the name "Li-91" and has the identifier USGS-302901090553002. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)08070202. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Livingston Parish County, Louisiana at 30.48380099000000 degrees latitude and -90.9251006000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. The source map scale is 1:62500. This site is at an elevation of 44.00 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 2.5 feet. The vertical coordinate reference system is NGVD29.

This site is located in the "Coastal lowlands aquifer system" aquifer. The geologic formation type is 2800-foot Sand of Baton Rouge Area. The well was contructed on 19640321. The well depth is 3081 ft. The well hole depth is 3092 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-302901090553002" 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 1964 - 1966
Inorganics, Major, Metals 1964 - 1964
Inorganics, Major, Non-metals 1964 - 1968
Inorganics, Minor, Metals 1964 - 1964
Inorganics, Minor, Non-metals 1964 - 1964
Nutrient 1964 - 1964
Physical 1964 - 1968
*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 USGS-LA
OrganizationFormalName USGS Louisiana Water Science Center
MonitoringLocationIdentifier USGS-302901090553002
MonitoringLocationName Li-91
MonitoringLocationTypeName Well
HUCEightDigitCode 08070202
LatitudeMeasure 30.48380099000000
LongitudeMeasure -90.9251006000000
SourceMapScaleNumeric 62500
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 44.00
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 2.5
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 22
CountyCode 063
AquiferName Coastal lowlands aquifer system
FormationTypeText 2800-foot Sand of Baton Rouge Area
ConstructionDateText 19640321
WellDepthMeasure/MeasureValue 3081
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 3092
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS