Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in Jackson County, Mississippi, 2025

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Jackson County, Mississippi during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Jackson County facility page.

Jackson County, Mississippi, 2025

Air-emissions stack tests in Jackson County, other years

Air-emissions stack tests recorded in Jackson County, Mississippi, 2025

DateFacilityKindAgency
2025-12-03CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-10-21MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANTPassState
2025-10-13DESTIN PIPELINE COMPANY LLC, PASCAGOULA COMPRESSOR STATIONPassState
2025-10-13DESTIN PIPELINE COMPANY LLC, PASCAGOULA COMPRESSOR STATIONPassState
2025-09-18CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-09-11CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-07-29MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-07-29MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-07-23CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-06-25MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANTPassState
2025-06-25CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-18MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-06-03GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATIONPassState
2025-06-03GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATIONPassState
2025-06-03GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATIONPassState
2025-05-28CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-05-28CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-05-20MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-05-20MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-05-08CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-05-08CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-05-06CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-04-23MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-04-23MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-04-23MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-04-22MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-04-22MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-04-22MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIELPassState
2025-03-13CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-13CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-13CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-13CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-12CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-12CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-12CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-12CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-11CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-11CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-11CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-11CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-04CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState
2025-03-04CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERYPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.