EPA Air · stack tests by county and year

Air-emissions stack tests in Armstrong County, Pennsylvania, 2023

19Stack 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 Armstrong County, Pennsylvania during 2023. 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 Armstrong County facility page.

Armstrong County, Pennsylvania, 2023

Air-emissions stack tests in Armstrong County, other years

Air-emissions stack tests recorded in Armstrong County, Pennsylvania, 2023

Date	Facility	Kind	Agency
2023-12-18	EQM GATHERING OPCO LLC/TERRA COMP STA	Pass	State
2023-11-14	PEOPLES NATURAL GAS CO LLC/ROARING RUN STA	Pass	State
2023-11-07	EQM GATHERING OPCO LLC/TERRA COMP STA	Pass	State
2023-09-19	VISTA METALS/KITTANNING PLT	Pass	State
2023-09-13	ARMSTRONG POWER/S BEND	Pass	State
2023-08-18	MDS GATHERING LLC/GILPIN COMP STA	Pass	State
2023-07-26	EASTERN GAS TRANS & STORAGE/RURAL VLY COMP STA	Pass	State
2023-07-19	SNYDER BROS INC/HOGBACK COMP STA	Pass	State
2023-07-11	PEOPLES NATURAL GAS CO LLC/VALLEY STA	Pass	State
2023-06-14	PEOPLES NATURAL GAS CO LLC/BELKNAP COMP STA	Pass	State
2023-05-24	SNYDER BROS INC/FURNACE RUN COMP STA	Pass	State
2023-05-24	SNYDER BROS INC/AMBROSE COMP STA	Pass	State
2023-05-24	SNYDER BROS INC/ENSIGN COMPRESSOR STATION	Pass	State
2023-05-22	SNYDER BROS INC/FURNACE RUN COMP STA	Pass	State
2023-05-22	SNYDER BROS INC/MUSHROOM MINE COMP STA	Pass	State
2023-04-18	EQM GATHERING OPCO LLC/TERRA COMP STA	Pass	State
2023-04-11	PINE RUN MIDSTREAM LLC/TROUT COMP STA	Pass	State
2023-02-21	EXCO APPALACHIA MIDSTREAM LLC/SAWMILL COMP STA	Pass	State
2023-01-11	EXCO APPALACHIA MIDSTREAM LLC/POVERTY HILL COMP STA	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 Armstrong county, PA, for 2023. It lists 19 stack tests recorded in 2023.