EPA Air · stack tests by county and year

Air-emissions stack tests in Marion County, Indiana, 2025

97Stack 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 Marion County, Indiana during 2025. 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 Marion County facility page.

Marion County, Indiana, 2025

Air-emissions stack tests in Marion County, other years

Air-emissions stack tests recorded in Marion County, Indiana, 2025

Date	Facility	Kind	Agency
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-22	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-12-18	US ENERGY INDIANAPOLIS TERMINAL	Pass	State
2025-12-17	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-11-03	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-30	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-10-17	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-17	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-17	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-16	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-16	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-15	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-14	LINDE ADVANCED MATERIAL TECHNOLOGIES INC	Pass	State
2025-10-14	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-10-14	ECOBAT RESOURCES INDIANA LLC	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-29	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-24	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-24	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-24	CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT	Pass	State
2025-09-20	RIETH RILEY CONSTRUCTION COMPANY INCORPORATED	Pass	State
2025-09-20	RIETH RILEY CONSTRUCTION COMPANY INCORPORATED	Pass	State
2025-09-20	RIETH RILEY CONSTRUCTION COMPANY INCORPORATED	Pass	State
2025-09-20	RIETH RILEY CONSTRUCTION COMPANY INCORPORATED	Pass	State
2025-09-10	HOWARD MATERIALS LLC	Pass	State
2025-09-10	HOWARD MATERIALS LLC	Pass	State
2025-09-10	HOWARD MATERIALS LLC	Pass	State
2025-09-10	HOWARD MATERIALS LLC	Pass	State
2025-09-10	HOWARD MATERIALS LLC — high-priority violation on file	Pass	State
2025-09-10	HOWARD MATERIALS LLC — high-priority violation on file	Pass	State
2025-09-10	HOWARD MATERIALS LLC — high-priority violation on file	Fail	State
2025-09-10	HOWARD MATERIALS LLC — high-priority violation on file	Pass	State
2025-09-10	HOWARD MATERIALS LLC — high-priority violation on file	Pass	State
2025-07-22	LNG INDY LLC LNG NORTH	Pass	State
2025-07-09	BUCKEYE TERMINALS LLC RACEWAY TERMINAL	Pass	State
2025-07-03	RIETH RILEY CONSTRUCTION CO INC	Pass	State
2025-07-03	RIETH RILEY CONSTRUCTION CO INC	Pass	State
2025-07-03	RIETH RILEY CONSTRUCTION CO INC	Pass	State
2025-07-03	RIETH RILEY CONSTRUCTION CO INC	Pass	State
2025-06-04	CITIZENS WATER WHITE RIVER RIVERSIDE	Pass	State
2025-06-03	CITIZENS WATER WHITE RIVER RIVERSIDE	Pass	State
2025-06-03	CITIZENS WATER WHITE RIVER RIVERSIDE	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-08	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-05-07	REWORLD INDIANAPOLIS INCORPORATED	Pass	State
2025-04-12	ALLISON TRANSMISSION INC SPEEDWAY MAIN CAMPUS — high-priority violation on file	Pass	State
2025-04-10	ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE — high-priority violation on file	Pass	State
2025-04-10	ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE — high-priority violation on file	Pass	State
2025-04-10	ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE — high-priority violation on file	Pass	State
2025-04-10	ZIONSVILLE COMPRESSOR STATION / PANHANDLE EASTERN PIPE LINE — 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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Marion county, IN, for 2025. The stack tests recorded in 2025 total 97.