EPA Air · stack tests by county and year

Air-emissions stack tests in Hardin County, Iowa, 2023

30Stack 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 Hardin County, Iowa 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 Hardin County facility page.

Hardin County, Iowa, 2023

Air-emissions stack tests in Hardin County, other years

Air-emissions stack tests recorded in Hardin County, Iowa, 2023

Date	Facility	Kind	Agency
2023-12-15	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-12-15	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-12-15	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-12-15	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-11-29	PLCP, L.P.	Pass	State
2023-11-29	PLCP, L.P.	Pass	State
2023-11-29	PLCP, L.P.	Pass	State
2023-11-29	PLCP, L.P.	Pass	State
2023-09-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-09-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-09-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-09-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-14	PLCP, L.P.	Pass	State
2023-06-14	PLCP, L.P.	Pass	State
2023-06-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-08	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-07	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-07	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-06	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-06-06	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-04-13	PLCP, L.P.	Pass	State
2023-04-13	PLCP, L.P.	Pass	State
2023-04-13	PLCP, L.P.	Pass	State
2023-04-12	PLCP, L.P.	Fail	State
2023-04-12	PLCP, L.P.	Fail	State
2023-03-01	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-03-01	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-02-28	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-02-28	POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file	Pass	State
2023-01-31	NATURALLY RECYCLED PROTEINS OF IOWA LLC	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 Hardin county, IA, for 2023. It lists 30 stack tests recorded in 2023.