EPA Air · stack tests by county and year

Air-emissions stack tests in Polk County, Texas, 2026

27Stack 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 Polk County, Texas 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 Polk County facility page.

Polk County, Texas, 2026

Air-emissions stack tests in Polk County, other years

Air-emissions stack tests recorded in Polk County, Texas, 2026

Date	Facility	Kind	Agency
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-31	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-08-27	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-08-25	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Pass	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Fail	State
2026-05-07	CORRIGAN OSB — high-priority violation on file	Pass	State

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