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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Greene county, MO, for 2026. It lists 38 stack tests recorded in 2026.