EPA Air · stack tests by state and year
Air-emissions stack tests in Illinois, 2023
- 152Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Illinois during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Illinois, 2023
- Cook County 25
- Kane County 14
- Lake County 13
- Madison County 9
- Macon County 8
- Christian County 7
- Will County 6
- DuPage County 6
- Sangamon County 5
- Kankakee County 4
- Jasper County 4
- Williamson County 4
- Washington County 3
- Lee County 3
- Champaign County 3
Illinois, other years
Air-emissions stack tests recorded in Illinois, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-12-21 | PEOPLES GAS LIGHT & COKE CO | FISHER, Champaign, IL | Pass | State |
| 2023-12-19 | MOLEX LLC | LISLE, DuPage, IL | Pass | State |
| 2023-12-19 | MOLEX LLC | LISLE, DuPage, IL | Pass | State |
| 2023-12-16 | ARGONNE NATIONAL LABORATORY | LEMONT, DuPage, IL | Pass | State |
| 2023-12-15 | INVENERGY NELSON LLC | ROCK FALLS, Lee, IL | Pass | State |
| 2023-12-14 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-13 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-13 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-12 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-12 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-12 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2023-12-12 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2023-12-12 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2023-12-05 | WR GRACE | CHICAGO, Cook, IL | Fail | State |
| 2023-12-05 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-12-05 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-12-05 | MCFONA | GENEVA, Kane, IL | Pass | State |
| 2023-12-05 | NORTH SHORE GAS CO | LIBERTYVILLE, Lake, IL | Pass | State |
| 2023-12-05 | NORTH SHORE GAS CO | LIBERTYVILLE, Lake, IL | Pass | State |
| 2023-12-05 | NORTH SHORE GAS CO | LIBERTYVILLE, Lake, IL | Pass | State |
| 2023-12-05 | NORTH SHORE GAS CO | LIBERTYVILLE, Lake, IL | Pass | State |
| 2023-12-05 | NORTH SHORE GAS CO | LIBERTYVILLE, Lake, IL | Pass | State |
| 2023-12-01 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-30 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-30 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-30 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-29 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-29 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-29 | WR GRACE | CHICAGO, Cook, IL | Fail | State |
| 2023-11-28 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-15 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-15 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-11 | PRAIRIE HILL RDF | MORRISON, Whiteside, IL | Pass | State |
| 2023-11-09 | ZION ENERGY CENTER | ZION, Lake, IL | Pass | State |
| 2023-11-09 | LIFE TECHNOLOGIES CORPORATION | ROCKFORD, Winnebago, IL | Pass | State |
| 2023-11-08 | KENDALL COUNTY SHERIFF OFFICE | YORKVILLE, Kendall, IL | Pass | State |
| 2023-11-07 | INDIAN CREEK LANDFILL #2 | HOPEDALE, Tazewell, IL | Pass | State |
| 2023-10-30 | AMSTED RAIL CO INC | GRANITE CITY, Madison, IL | Pass | State |
| 2023-10-26 | SARAH BUSH LINCOLN HEALTH CENTER | MATTOON, Coles, IL | Pass | State |
| 2023-10-25 | ZCOLO LLC - OAK BROOK | OAK BROOK, DuPage, IL | Pass | State |
| 2023-10-25 | ALTO PEKIN LLC | PEKIN, Tazewell, IL | Pass | State |
| 2023-10-24 | H KRAMER & CO — high-priority violation on file | CHICAGO, Cook, IL | Pass | State |
| 2023-10-23 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2023-10-17 | RIVERSIDE HOSPITAL | KANKAKEE, Kankakee, IL | Pass | State |
| 2023-10-12 | LEE COUNTY LANDFILL | DIXON, Lee, IL | Pass | State |
| 2023-10-12 | MILAM RECYCLING AND DISPOSAL FACILITY | FAIRMONT CITY, St. Clair, IL | Pass | State |
| 2023-10-12 | STEPAN CO | ELWOOD, Will, IL | Pass | State |
| 2023-10-10 | CLINTON LFGTE FACILITY | CLINTON, De Witt, IL | Pass | State |
| 2023-10-10 | GATEWAY PACKAGING INC — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-10-10 | MEXICHEM SPECIALTY RESINS INC — high-priority violation on file | HENRY, Marshall, IL | Pass | State |
| 2023-10-06 | MEDLINE INDUSTRIES INC NORTHPOINT SERVICES DIV | WAUKEGAN, Lake, IL | Pass | State |
| 2023-10-06 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2023-10-04 | ILLINOIS POWER GENERATING CO | NEWTON, Jasper, IL | Pass | State |
| 2023-10-04 | MEXICHEM SPECIALTY RESINS INC — high-priority violation on file | HENRY, Marshall, IL | Pass | State |
| 2023-10-02 | GOOD SAMARITAN HOSPITAL | DOWNERS GROVE, DuPage, IL | Pass | State |
| 2023-09-26 | TITAN TIRE CORP OF FREEPORT | FREEPORT, Stephenson, IL | Pass | State |
| 2023-09-22 | LAKE ZURICH VILLAGE OF | LAKE ZURICH, Lake, IL | Pass | State |
| 2023-09-22 | LAKE ZURICH VILLAGE OF | LAKE ZURICH, Lake, IL | Pass | State |
| 2023-09-21 | NICOR GAS | ANCONA, Livingston, IL | Pass | State |
| 2023-09-21 | GRANITE CITY WORKS OF UNITED STATES STEEL CORP — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-09-20 | LUTHERAN GENERAL HOSPITAL | PARK RIDGE, Cook, IL | Pass | State |
| 2023-09-20 | COUNTRYSIDE LANDFILL INC | GRAYSLAKE, Lake, IL | Pass | State |
| 2023-09-20 | GRANITE CITY WORKS OF UNITED STATES STEEL CORP — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-09-13 | STATE HIGHWAY CONSTRUCTION | ELWIN, Macon, IL | Pass | State |
| 2023-09-13 | STATE HIGHWAY CONSTRUCTION | ELWIN, Macon, IL | Pass | State |
| 2023-09-12 | KOPPERS CARBON MATERIALS LLC — high-priority violation on file | CICERO, Cook, IL | Pass | State |
| 2023-09-11 | SOUTHERN ILLINOIS POWER COOP | MARION, Williamson, IL | Pass | State |
| 2023-09-06 | ROCHELLE MUNICIPAL UTILITIES | ROCHELLE, Ogle, IL | Pass | State |
| 2023-09-01 | OWENS-CORNING CORP — high-priority violation on file | SUMMIT, Cook, IL | Pass | State |
| 2023-08-28 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2023-08-22 | FREEPORT WATER & SEWER | FREEPORT, Stephenson, IL | Pass | State |
| 2023-08-17 | AURORA PACKING CO INC | NORTH AURORA, Kane, IL | Pass | State |
| 2023-08-17 | NASCOTE INDUSTRIES INC | NASHVILLE, Washington, IL | Pass | State |
| 2023-08-17 | PRAIRIE STATE GENERATING STATION | MARISSA, Washington, IL | Pass | State |
| 2023-08-17 | PRAIRIE STATE GENERATING STATION | MARISSA, Washington, IL | Pass | State |
| 2023-08-15 | LAKE FOREST HOSPITAL | LAKE FOREST, Lake, IL | Pass | State |
| 2023-08-12 | TRIALCO ALUMINUM LLC | CHICAGO HEIGHTS, Cook, IL | Fail | State |
| 2023-08-11 | MARSHALL MUNICIPAL UTILITIES | MARSHALL, Clark, IL | Pass | State |
| 2023-08-11 | GRANITE CITY WORKS OF UNITED STATES STEEL CORP — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-08-09 | CITY OF CASEY | CASEY, Clark, IL | Pass | State |
| 2023-07-28 | HUBER CARBONATES LLC | QUINCY, Adams, IL | Pass | State |
| 2023-07-27 | KINCAID GENERATION LLC | KINCAID, Christian, IL | Pass | State |
| 2023-07-26 | RIVERSTONE GROUP INC | ROCK ISLAND, Rock Island, IL | Pass | State |
| 2023-07-20 | ROCHELLE MUNICIPAL UTILITIES | ROCHELLE, Ogle, IL | Pass | State |
| 2023-07-19 | CITY OF ROCK FALLS | ROCK FALLS, Whiteside, IL | Pass | State |
| 2023-07-18 | SOUTHERN ILLINOIS UNIVERSITY | CARBONDALE, Jackson, IL | Pass | State |
| 2023-07-12 | RANTOUL ELECTRIC GENERATING PLANT | RANTOUL, Champaign, IL | Pass | State |
| 2023-07-12 | H KRAMER & CO — high-priority violation on file | CHICAGO, Cook, IL | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.