EPA Air · by county
Air-emissions sources in St. Mary County, Louisiana
- 159Facilities
Every stationary source in St. Mary County, Louisiana that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in St. Mary County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in St. Mary County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 12
- 2025 — inspections 6
- 2024 — inspections 10
- 2023 — inspections 17
- 2022 — inspections 20
- 2021 — inspections 9
- 2020 — inspections 11
- 2019 — inspections 10
- 2018 — inspections 15
- 2017 — inspections 11
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| NORTH CENTRAL TANK BATTERY - JEANERETTE FIELD | Minor source | No |
| ONESUBSEA LLC - ONESUBSEA BERWICK FACILITY | Minor source | No |
| ORION ENGINEERED CARBONS LLC - IVANHOE CARBON BLACK PLANT | Major source | Yes |
| PATTERSON CURVE/SL 1685 PRODUCTION FIELD | Minor source | No |
| PATTERSON FIELD GAS SALES STATION | Emissions classification unknown | No |
| PATTERSON SLUG CATCHER FACILITY | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - BAYOU SALE CENTRAL FACILITY | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - BAYOU SALE GATES #2 FACILITY | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - BAYOU SALE GATES 1 FACILITY | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - BAYOU SALE WOOSTER FACILITY | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - WEST COTE BLANCHE BAY FACILITY | Synthetic minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - WEST COTE BLANCHE BAY TANK BATTERY #1A | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - WEST COTE BLANCHE BAY TANK BATTERY #2 - W COTE BL | Minor source | No |
| PERDIDO ENERGY LOUISIANA LLC - WEST COTE BLANCHE BAY TANK BATTERY #3 | Minor source | No |
| PLAINS GAS SOLUTIONS LLC - PATTERSON GAS PROCESSING PLANT | Minor source | No |
| PLAINS MARKETING LP - PATTERSON STATION | No | |
| PRIME COATINGS INC | Minor source | No |
| R360 ENVIRONMENTAL SOLUTIONS OF LOUISIANA LLC - BATEMAN ISLAND LANDFARM - SITE C | Minor source | No |
| RAMOS CENTRAL FACILITY #2 | Minor source | No |
| SEACRAFT SHIPYARD CORP | No | |
| SHADYSIDE CO LTD #1 PRODUCTION FACILITY - PATTERSON FIELD | Minor source | No |
| SHORE OIL CO #1 PRODUCTION FACILITY | Minor source | No |
| SHORELINE OFFSHORE LLC - BURNS POINT COM | Minor source | No |
| SL 18350 WELL #1 | Minor source | No |
| SL 19720 #1 PRODUCTION FACILITY - EUGENE ISLAND BLOCK 16 FIELD | Minor source | No |
| SL 20221 #2 WELLSITE FACILITY - ATCHAFALAYA BAY FIELD | Minor source | No |
| SL 20369 #1 WELLSITE FACILITY - ATCHAFALYA BAY FIELD | Minor source | No |
| SL 20369 #2 WELLSITE FACILITY - ATCHAFALYA BAY FIELD | Minor source | No |
| SL 20369 #3 WELLSITE FACILITY - ATCHAFALAYA BAY FIELD | Minor source | No |
| SL 20878 CENTRAL FACILITY - POINT CHEVREUIL FIELD | No | |
| SOUTHERN MAGIC INC - SMI CO FACILITY 1456 | Minor source | No |
| SOUTHERN NATURAL GAS CO - SHADYSIDE COMPRESSOR STATION | Major source | No |
| ST MARY LAND #24-2 FACILITY - HORSESHOE BAYOU FIELD | Minor source | No |
| ST MARY LAND CO PRODUCTION FACILITY | Minor source | No |
| ST MARY PARISH CONSOLIDATED GRAVITY DRAINAGE DISTRICT #1 - BAYOU YOKELY PUMP STA | Minor source | No |
| ST MARY PARISH CONSOLIDATED GRAVITY DRAINAGE DISTRICT #2 - HWY 70 PUMP STATION | Minor source | No |
| ST MARY PARISH GOVERNMENT - HAROLD J BABE LANDRY LANDFILL | Major source | No |
| ST MARY PARISH LAND CO #66 WELLSITE FACILITY - BAYOU SALE FIELD | No | |
| ST MARY PARISH WARDS 5&8 JOINT SEWER COMMISSION - REGIONAL SEWERAGE TREATMENT FA | Emissions classification unknown | No |
| ST MARY SUGAR COOPERATIVE INC - ST MARY SUGAR FACTORY | Major source | No |
| STATE LEASE 18103 WELL #1 - MYETTE POINT FIELD | No | |
| STATE LEASE 20035 FACILITY | Minor source | No |
| STATE LEASE 340 BELLE ISLE PRODUCTION FACILITY | Minor source | No |
| STATE LEASE 4801 PRODUCTION FACILITY - ATCHAFALAYA BAY FIELD | Minor source | No |
| STATE LEASE 5097 - LITTLE BAY FIELD - ATCHAFALAYA BAY | Minor source | No |
| STERLING SUGARS #1 TANK BATTERY - CHARENTON FIELD | Minor source | No |
| STERLING SUGARS LLC | Major source | No |
| SUPERIOR FABRICATORS INC | Minor source | No |
| TEXAS GAS TRANSMISSION LLC - BALDWIN BAYOU PIGEON 12 (BBP 12 ) - APACHE FIELD | No | |
| THE HYDRO CARBON FLOW SPECIALIST INC | No | |
| TRI-STAR OPCO LLC - COTE BLANCHE ISLAND TANK BATTERY #1 | Minor source | No |
| TRI-STAR OPCO LLC - COTE BLANCHE ISLAND TANK BATTERY #2 | Minor source | No |
| TRI-STAR OPCO LLC - COTE BLANCHE ISLAND TANK BATTERY #3 | Minor source | No |
| TRUNKLINE GAS CO LLC - PATTERSON COMPRESSOR STATION | Major source | No |
| TRUNKLINE GAS COMPANY LLC - CENTERVILLE COMPRESSOR STATION | Major source | No |
| TWIN BROTHERS MARINE LLC | Minor source | No |
| VERDUNVILLE TANK BATTERY #1 FACILITY - DUCK LAKE FIELD | Minor source | No |
| WEST COTE BLANCHE BAY TANK BATTERY #1B | Minor source | No |
| ZENOR SITE FACILITY - PATTERSON FIELD | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.