EPA Air · stack tests by county and year

Air-emissions stack tests in Hamilton County, Ohio, 2023

66Stack 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 Hamilton County, Ohio 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 Hamilton County facility page.

Hamilton County, Ohio, 2023

Air-emissions stack tests in Hamilton County, other years

What stands out

Stack tests in Hamilton County, Ohio, fell from 82 in 2022, the previous year on file, to 66 in 2023.
The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
Its 66 stack tests rank 10th of the 60 county cells in Ohio for 2023.
Its 66 stack tests are 2.4% of the 2,800 the state’s file holds for 2023.

Every line is computed by formula from the state’s stored file; nothing is estimated.

Air-emissions stack tests recorded in Hamilton County, Ohio, 2023

Date	Facility	Kind	Agency
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-14	MILL CREEK WWTP	Pass	State
2023-12-12	MILL CREEK WWTP	Pass	State
2023-12-06	UNIVERSITY OF CINCINNATI	Pass	State
2023-12-06	UNIVERSITY OF CINCINNATI	Pass	State
2023-12-06	UNIVERSITY OF CINCINNATI	Pass	State
2023-12-06	UNIVERSITY OF CINCINNATI	Pass	State
2023-11-22	UNIVERSITY OF CINCINNATI	Pass	State
2023-11-22	UNIVERSITY OF CINCINNATI	Pass	State
2023-11-02	EMERY OLEOCHEMICALS LLC	Pass	State
2023-11-02	EMERY OLEOCHEMICALS LLC	Pass	State
2023-10-19	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-10-05	VALLEY ASPHALT #14	Pass	State
2023-09-22	NEXPERA FORT HILL PLANT	Pass	State
2023-09-18	GM CEREALS PROPERTIES, INC.	Pass	State
2023-09-18	GM CEREALS PROPERTIES, INC.	Pass	State
2023-09-12	INEOS ABS (USA) CORPORATION — high-priority violation on file	Pass	State
2023-09-06	CROSBY-HARRISON COMPRESSOR STATION	Pass	State
2023-09-06	CROSBY-HARRISON COMPRESSOR STATION	Pass	State
2023-09-06	CROSBY-HARRISON COMPRESSOR STATION	Pass	State
2023-09-06	CROSBY-HARRISON COMPRESSOR STATION	Pass	State
2023-09-06	CROSBY-HARRISON COMPRESSOR STATION	Pass	State
2023-08-31	BARRETT PAVING - CLEVES ASPHALT	Pass	State
2023-08-30	EMERY OLEOCHEMICALS LLC	Pass	State
2023-08-30	EMERY OLEOCHEMICALS LLC	Pass	State
2023-08-30	EMERY OLEOCHEMICALS LLC	Pass	State
2023-08-24	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-08-08	UNIVERSITY OF CINCINNATI	Pass	State
2023-08-08	UNIVERSITY OF CINCINNATI	Pass	State
2023-08-08	UNIVERSITY OF CINCINNATI	Pass	State
2023-08-01	VALLEY ASPHALT #14	Fail	State
2023-07-21	MILL CREEK WWTP	Pass	State
2023-07-19	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-07-19	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-14	MILL CREEK WWTP	Pass	State
2023-07-11	MILL CREEK WWTP	Pass	State
2023-07-07	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-07-07	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-07-03	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-06-06	BR OHIO PRINTERS INC.	Pass	State
2023-06-06	BR OHIO PRINTERS INC.	Pass	State
2023-05-02	DTE ST. BERNARD, LLC	Pass	State
2023-05-02	DTE ST. BERNARD, LLC	Pass	State
2023-04-20	UNIVERSITY OF CINCINNATI	Pass	State
2023-03-09	TRAMMO NITROGEN PRODUCTS, INC.	Pass	State
2023-03-09	MIAMI FORT POWER COMPANY LLC	Pass	State
2023-02-28	CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER	Pass	State
2023-02-28	CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER	Pass	State
2023-02-28	CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER	Pass	State
2023-02-14	SHEPHERD CHEMICAL CO	Pass	State
2023-02-07	PATHEON PHARMACEUTICALS INC.	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 for Hamilton county, OH, in 2023. It lists 66 stack tests recorded in 2023.