EPA Air · stack tests by state, industry and year

Pipeline transportation (NAICS 4862): stack tests in Ohio, 2026

227Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Ohio source whose primary industry code is NAICS 4862. A facility filing more than one industry code is counted under the first one on its record.

Pipeline transportation (NAICS 4862) in Ohio, other years

Other industries in Ohio, 2026

Air-emissions stack tests recorded in Ohio, 2026

Date	Facility	Where	Kind	Agency
2026-03-06	MARKWEST BARNESVILLE WEST COMPRESSOR STATION	WARREN, TOWNSHIP OF, Belmont, OH	Pass	State
2026-02-26	ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file	OHIO, Undetermined, OH	Pass	State
2026-02-26	ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file	OHIO, Undetermined, OH	Pass	State
2026-02-26	ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file	OHIO, Undetermined, OH	Pass	State
2026-02-24	EASTERN GAS TRANSMISSION AND STORAGE, INC. - NEWARK	HANOVER, TOWNSHIP OF, Licking, OH	Pass	State
2026-02-24	EASTERN GAS TRANSMISSION AND STORAGE, INC. - NEWARK	HANOVER, TOWNSHIP OF, Licking, OH	Pass	State
2026-02-24	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2026-02-24	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2026-02-24	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2026-02-24	PAVONIA COMPRESSOR STATION	MANSFIELD, Richland, OH	Pass	State
2026-02-18	LUCAS COMPRESSOR STATION — high-priority violation on file	MONROE, TOWNSHIP OF, Richland, OH	Pass	State
2026-02-18	LUCAS COMPRESSOR STATION — high-priority violation on file	MONROE, TOWNSHIP OF, Richland, OH	Pass	State
2026-02-18	LUCAS COMPRESSOR STATION — high-priority violation on file	MONROE, TOWNSHIP OF, Richland, OH	Pass	State
2026-02-18	LUCAS COMPRESSOR STATION — high-priority violation on file	MONROE, TOWNSHIP OF, Richland, OH	Pass	State
2026-01-28	EQUITRANS LP - PLASMA COMPRESSOR STATION	CLARINGTON, Monroe, OH	Pass	State
2026-01-28	EQUITRANS LP - PLASMA COMPRESSOR STATION	CLARINGTON, Monroe, OH	Pass	State
2026-01-28	EQUITRANS LP - PLASMA COMPRESSOR STATION	CLARINGTON, Monroe, OH	Pass	State
2026-01-28	EASTERN GAS TRANSMISSION AND STORAGE - LEBANON STATION	LEBANON, Warren, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA	WASHINGTON COURT HOUSE, Fayette, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA	WASHINGTON COURT HOUSE, Fayette, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - WASHINGTON CH COMPRESSOR STA	WASHINGTON COURT HOUSE, Fayette, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file	ASHVILLE, Pickaway, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file	ASHVILLE, Pickaway, OH	Pass	State
2026-01-07	ROCKIES EXPRESS PIPELINE - COLUMBUS COMPRESSOR STATION — high-priority violation on file	ASHVILLE, Pickaway, OH	Pass	State
2026-01-06	ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS	PHILO, Muskingum, OH	Pass	State
2026-01-06	ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS	PHILO, Muskingum, OH	Pass	State
2026-01-06	ROCKIES EXPRESS PIPELINE LLC- CHANDLERSVILLE CS	PHILO, Muskingum, OH	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.