EPA Air · stack tests by county and year

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

55Stack tests

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 Hinds 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 Hinds County facility page.

Hinds County, Mississippi, 2025

Air-emissions stack tests in Hinds County, other years

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

Date	Facility	Kind	Agency
2025-10-31	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-31	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-30	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-30	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-29	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Fail	State
2025-10-29	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-29	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-29	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-28	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-27	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-27	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Fail	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-24	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-23	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-23	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-23	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-23	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Fail	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Fail	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-22	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-21	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-10-21	EP ENGINEERED CLAYS CORPORATION — high-priority violation on file	Pass	State
2025-03-11	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-11	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-11	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-10	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-10	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-10	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-03-10	TEXAS EASTERN TRANSMISSION LP, CLINTON COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-29	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State
2025-01-28	MIDCONTINENT EXPRESS PIPELINE LLC, MEP 4 VICKSBURG COMPRESSOR STATION	Pass	State

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 Hinds county, MS, in 2025. It lists 55 stack tests recorded in 2025.