EPA Air · stack tests by state, industry and year

Utilities (NAICS 2211): stack tests in Indiana, 2026

76Stack 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 Indiana source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.

Utilities (NAICS 2211) in Indiana, other years

Other industries in Indiana, 2026

Air-emissions stack tests recorded in Indiana, 2026

Date	Facility	Where	Kind	Agency
2026-07-31	SIGECO - FB CULLEY GENERATING STATION	NEWBURGH, Warrick, IN	Pass	State
2026-07-02	GREEN COW POWER LLC — high-priority violation on file	GOSHEN, Elkhart, IN	Pass	State
2026-07-02	GREEN COW POWER LLC — high-priority violation on file	GOSHEN, Elkhart, IN	Pass	State
2026-07-02	GREEN COW POWER LLC — high-priority violation on file	GOSHEN, Elkhart, IN	Pass	State
2026-07-02	GREEN COW POWER LLC — high-priority violation on file	GOSHEN, Elkhart, IN	Pass	State
2026-06-26	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-06-26	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-06-26	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-26	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-26	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Fail	State
2026-06-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-25	BIO TOWN BIOGAS LLC & BIO TOWN AG INCORPORATED — high-priority violation on file	REYNOLDS, White, IN	Pass	State
2026-06-17	SIGECO - FB CULLEY GENERATING STATION	NEWBURGH, Warrick, IN	Pass	State
2026-06-12	INDIANA MUNICIPAL POWER AGENCY-WHITEWATER VALLEY GENERATING	RICHMOND, Wayne, IN	Pass	State
2026-06-12	INDIANA MUNICIPAL POWER AGENCY-WHITEWATER VALLEY GENERATING	RICHMOND, Wayne, IN	Pass	State
2026-06-12	INDIANA MUNICIPAL POWER AGENCY-WHITEWATER VALLEY GENERATING	RICHMOND, Wayne, IN	Pass	State
2026-05-28	ZIMMERMAN ENERGY LLC — high-priority violation on file	ARGOS, Marshall, IN	Pass	State
2026-05-28	ZIMMERMAN ENERGY LLC — high-priority violation on file	ARGOS, Marshall, IN	Pass	State
2026-05-28	ZIMMERMAN ENERGY LLC — high-priority violation on file	ARGOS, Marshall, IN	Pass	State
2026-05-27	ZIMMERMAN ENERGY LLC — high-priority violation on file	ARGOS, Marshall, IN	Pass	State
2026-05-18	SIGECO - FB CULLEY GENERATING STATION	NEWBURGH, Warrick, IN	Pass	State
2026-04-22	HALLADOR POWER COMPANY LLC MEROM GENERATING STATION — high-priority violation on file	SULLIVAN, Sullivan, IN	Pass	State
2026-04-22	HALLADOR POWER COMPANY LLC MEROM GENERATING STATION — high-priority violation on file	SULLIVAN, Sullivan, IN	Pass	State
2026-04-14	DUKE ENERGY INDIANA LLC - GIBSON GENERATING STATION	OWENSVILLE, Gibson, IN	Pass	State
2026-04-14	BLACKFOOT POWER GENERATING STATION	WINSLOW, Pike, IN	Pass	State
2026-04-14	BLACKFOOT POWER GENERATING STATION	WINSLOW, Pike, IN	Pass	State
2026-04-14	BLACKFOOT POWER GENERATING STATION	WINSLOW, Pike, IN	Pass	State
2026-04-07	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-04-02	WASTE NO ENERGY LLC	MONTICELLO, White, IN	Pass	State
2026-04-02	WASTE NO ENERGY LLC	MONTICELLO, White, IN	Pass	State
2026-04-02	WASTE NO ENERGY LLC	MONTICELLO, White, IN	Pass	State
2026-04-01	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-04-01	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-04-01	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-04-01	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-31	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-31	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-31	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-31	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-30	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-30	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-03-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Fail	State
2026-03-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Fail	State
2026-03-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Fail	State
2026-03-25	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-03-24	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Fail	State
2026-03-24	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-03-20	SIGECO - FB CULLEY GENERATING STATION	NEWBURGH, Warrick, IN	Pass	State
2026-03-18	DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION	EDWARDSPORT, Knox, IN	Pass	State
2026-03-18	DUKE ENERGY INDIANA LLC CAYUGA GENERATING STATION — high-priority violation on file	CAYUGA, Vermillion, IN	Pass	State
2026-03-18	DUKE ENERGY INDIANA LLC CAYUGA GENERATING STATION — high-priority violation on file	CAYUGA, Vermillion, IN	Pass	State
2026-03-17	DUKE ENERGY INDIANA LLC CAYUGA GENERATING STATION — high-priority violation on file	CAYUGA, Vermillion, IN	Pass	State
2026-03-17	DUKE ENERGY INDIANA LLC CAYUGA GENERATING STATION — high-priority violation on file	CAYUGA, Vermillion, IN	Pass	State
2026-03-05	DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION	EDWARDSPORT, Knox, IN	Pass	State
2026-02-10	DUKE ENERGY INDIANA LLC - GIBSON GENERATING STATION	OWENSVILLE, Gibson, IN	Pass	State
2026-02-04	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-02-02	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	Pass	State
2026-01-22	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-01-22	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-01-21	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-01-21	MONTPELIER GENERATING STATION LLC — high-priority violation on file	PONETO, Wells, IN	Pass	State
2026-01-16	SIGECO - FB CULLEY GENERATING STATION	NEWBURGH, Warrick, IN	Pass	State
2026-01-12	DUKE ENERGY INDIANA LLC - GIBSON GENERATING STATION	OWENSVILLE, Gibson, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-08	NORTHEASTERN REMC — high-priority violation on file	COLUMBIA CITY, Whitley, IN	Pass	State
2026-01-06	ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file	NEWBURGH, Warrick, IN	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.