EPA Air · stack tests by county and year

Air-emissions stack tests in Greene County, Missouri, 2026

38Stack 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 Greene County, Missouri during 2026. 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 Greene County facility page.

Greene County, Missouri, 2026

Air-emissions stack tests in Greene County, other years

Air-emissions stack tests recorded in Greene County, Missouri, 2026

Date	Facility	Kind	Agency
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-07-23	MID STATES MATERIALS LLC	Pass	State
2026-06-11	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Fail	State
2026-06-11	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Fail	State
2026-06-11	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Fail	State
2026-03-26	NOBLE HILL SANITARY LANDFILL	Pass	State
2026-03-12	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-03-12	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-02-20	ENERSYS ENERGY PRODUCTS INC - SPRINGFIELD 1	Pass	State
2026-01-08	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-01-08	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-01-08	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-01-08	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pass	State
2026-01-08	SOUTHWEST CLEAN WATER PLANT SPRINGFIELD	Pending	State

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