FRS Facility Detail Report


ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT/J WAYNE LEONARD POWER STAT

EPA Registry Id: 110007291652
17420 RIVER ROAD
LAPLACE, LA 70068-9008


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
LOUISIANA - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT 687 STATE MASTER LA-TEMPO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
ENTERGY LOUISIANA LLC - LITTLE GYPSY LAR10L924 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
ENTERGY LOUISIANA LLC - LITTLE GYPSY LAR10L924 STORM WATER CONSTRUCTION ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE GYPSY GENERATING LAR10F597 STORM WATER CONSTRUCTION ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT LAD000757476 VSQG (Y) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
ENTERGY LOUISIANA, LLC- LITTLE GYPSY PLANT LA0003191 ICIS-NPDES MAJOR ICIS 06/01/2023 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ICIS-AIR (AIR)
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT/J WAYNE LEONARD POWER STAT LA0000002208900009 AIR MAJOR ICIS 10/10/2017
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
LITTLE GYPSY GENERATING LAR10F597 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
CLEAN AIR MARKETS DIVISION (CAMD) BUSINESS SYSTEMS
LITTLE GYPSY 1402 AIR PROGRAM CAMDBS 04/01/2013
EMISSION INVENTORY SYSTEM (EIS)
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT 5609111 HAZARDOUS AIR POLLUTANT MAJOR EIS 12/19/2024
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT CEDRI10163482 COMPLIANCE AND EMISSIONS REPORTING API 03/21/2024
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
LITTLE GYPSY 1402 ELECTRIC GENERATOR EIA-860 10/06/2020
EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
LITTLE GYPSY 1402 ELECTRIC POWER GENERATOR (GAS BASED) EGRID 02/24/2020
AIR FACILITY SYSTEM
ENTERGY LOUISIANA LLC - LITTLE GYPSY GEN 2208900009 AIR MAJOR (OPERATING) AIRS/AFS 08/20/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
ENTERGY LOUISIANA, LLC- LITTLE GYPSY PLANT LAR10L644 ICIS-NPDES NON-MAJOR ICIS

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
CAMDBS
4911
ELECTRIC SERVICES

AIR
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

NPDES
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 06
Duns Number: 061662887
Congressional District Number: 06
Legislative District Number: SE
HUC Code/Watershed: 08070204 / LAKE MAUREPAS
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
LITTLE GYPSY GENERATING NPDES
LITTLE GYPSY PLANT OIL
FRANK M HARBISON AIR
ENTERGY louisiana incorporated LITTLE GYPSY power station AIRS/AFS
LITTLE GYPSY PLANT OIL
ENTERGY LOUISIANA, LLC- LITTLE GYPSY PLANT NPDES
ENTERGY LA INC LITTLE GYPSY PL RCRAINFO
ENTERGY LOUISIANA LLC - LITTLE GYPSY GENERATING PLANT LA-TEMPO
LITTLE GYPSY AIR VOLUNTARY SUBMISSION
ENTERGY LOUISIANA LLC - LITTLE GYPSY GEN AIRS/AFS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER/OPERATOR
ENTERGY CORPORATION
CAMDBS


OPERATOR
ENTERGY LOUISIANA LLC
RCRAINFO
View
OWNER/OPERATOR MAILING ADDRESS
ENTERGY LOUISIANA, INC.
EIA-860
View
PARENT COMPANY
ENTERGY LA LLC
EIA-860
View
PARENT COMPANY
ENTERGY LA LLC
EIA-860
View
PARENT COMPANY
ENTERGY LA LLC
EIS


MAILING ADDRESS
ENTERGY LOUISIANA, LLC- LITTLE GYPSY PLANT
NPDES
View
MAILING ADDRESS
ENTERGY LA LLC
NPDES
View
OWNER
ENTERGY LOUISIANA LLC
RCRAINFO
View
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
ENTERGY LA LLC
EIA-860
View
MAILING ADDRESS
SHAW CONTRACTING CO
NPDES
View
OWNER/OPERATOR
ENTERGY LA LLC
EGRID


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RCRAINFO 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIA-860 22

CAMDBS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIR 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIRS/AFS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PRIMARY FACILITY SITE CONTACT 10055 GROGANS MILL ROAD THE WOODLANDS TX 77380 CAMDBS
UNKNOWN CONTACT 10055 GROGAN'S MILL RD THE WOODLANDS TX 77380 CAMDBS
UNKNOWN CONTACT 10055 GROGANS MILL ROAD THE WOODLANDS TX 77380 CAMDBS
FACILITY MAILING ADDRESS PO BOX 61000 MU L-ENT-5E NEW ORLEANS LA 70161 RCRAINFO
OWNER PO BOX 61000 MAIL UNIT L-ENT-5 NEW ORLEANS LA 70161 RCRAINFO
OWNER/OPERATOR MAILING ADDRESS 446 NORTH BOULEVARD BATON ROUGE LA EIA-860
PARENT COMPANY 4809 JEFFERSON HIGHWAY JEFFERSON LA EIA-860
PARENT COMPANY 446 NORTH BOULEVARD BATON ROUGE LA EIA-860
REGULATORY CONTACT 1445 ROSS AVENUE DALLAS TX 75202 CAMDBS
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER 4809 JEFFERSON HIGHWAY JEFFERSON LA EIA-860
PRIMARY FACILITY SITE CONTACT 10055 GROGAN'S MILL ROAD THE WOODLANDS TX 77380 CAMDBS
FACILITY MAILING ADDRESS PO BOX 61000 NEW ORLEANS LA 70161 AIR
REGULATORY CONTACT 17420 RIVER RD MONTZ LA 70068 RCRAINFO
MAILING ADDRESS 17420 RIVER RD. MONTZ LA 700689008 NPDES
MAILING ADDRESS PO BOX 61000 NEW ORLEANS LA 70161 NPDES
OPERATOR PO BOX 61000 MAIL UNIT L-ENT-5 NEW ORLEANS LA 70161 RCRAINFO
FACILITY MAILING ADDRESS PO BOX 61000 NEW ORLEANS LA 70161 AIRS/AFS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
REGULATORY CONTACT
JOYCE A JOHNSON
2146658548
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
ETIENNE SENAC
2812973422
CAMDBS
View
UNKNOWN CONTACT
MYRA GLOVER
2812973306
CAMDBS
View
UNKNOWN CONTACT
TAD CHENET
2812973313
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
PETER NORGEOT
2812973430
CAMDBS
View

Query executed on: OCT-14-2025