EPA Air · stack tests by state, industry and year

Pipeline transportation (NAICS 4862): stack tests in Mississippi, 2026

87Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Mississippi source whose primary industry code is NAICS 4862. A facility filing more than one industry code is counted under the first one on its record.

Pipeline transportation (NAICS 4862) in Mississippi, other years

Other industries in Mississippi, 2026

Air-emissions stack tests recorded in Mississippi, 2026

Date	Facility	Where	Kind	Agency
2026-07-09	GULF SOUTH PIPELINE COMPANY LLC, MCCOMB COMPRESSOR STATION	JAYESS, Walthall, MS	Pass	State
2026-07-08	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-07-08	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-07-07	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-07-07	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-06	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-05-05	ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT — high-priority violation on file	MAGEE, Simpson, MS	Pass	State
2026-04-23	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-23	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-22	FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10	WIGGINS, Perry, MS	Pass	State
2026-04-21	GULF SOUTH PIPELINE COMPANY LLC, KILN COMPRESSOR STATION	KILN, Hancock, MS	Pass	State
2026-04-21	GULF SOUTH PIPELINE COMPANY LLC, KILN COMPRESSOR STATION	KILN, Hancock, MS	Pass	State
2026-03-13	GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION	MOSS POINT, Jackson, MS	Pass	State
2026-03-13	GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION	MOSS POINT, Jackson, MS	Pass	State
2026-03-13	GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION	MOSS POINT, Jackson, MS	Pass	State
2026-03-10	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	JACKSON, Hinds, MS	Pass	State
2026-03-09	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	JACKSON, Hinds, MS	Pass	State
2026-03-09	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	JACKSON, Hinds, MS	Pass	State
2026-03-09	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	JACKSON, Hinds, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-06	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-03-05	SG RESOURCES MISSISSIPPI LLC, SOUTHERN PINES ENERGY CENTER	LEAKESVILLE, Greene, MS	Pass	State
2026-02-25	TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, COMPRESSOR STATION 80	HEIDELBERG, Jones, MS	Pass	State
2026-01-15	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-15	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-15	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-15	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-14	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-14	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-14	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-14	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-13	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-13	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-13	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	EDWARDS, Hinds, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION	HARRISVILLE, Simpson, MS	Pass	State
2026-01-13	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-13	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-13	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State
2026-01-13	LEAF RIVER ENERGY CENTER LLC, LEAF RIVER ENERGY CENTER	TAYLORSVILLE, Smith, MS	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in state MS, NAICS industry 4862, for 2026. The stack tests recorded in 2026 total 82.