Velarion Records

Clean Air Act stationary source · ICIS-AIR IA0000001914700064

POET BIOREFINING - LIBERTY (EMMETSBURG), Emmetsburg, IA: Clean Air Act compliance record, inspections, violations, penalties

POET BIOREFINING - LIBERTY (EMMETSBURG), at 4724 380TH ST, Emmetsburg in Palo Alto County, Iowa, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “Violation w/in 1 Year”. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedPOET BIOREFINING - LIBERTY (EMMETSBURG)
ICIS-AIR IDIA0000001914700064
EPA facility registry ID110020579907
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Violation w/in 1 Year
Address4724 380TH ST, Emmetsburg, IA 50536
CountyPalo Alto County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Chemical manufacturing (NAICS 3251)
SIC code2869
EPA region07

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs POET BIOREFINING - LIBERTY (EMMETSBURG) is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
January 17, 2024FCE On-SiteStateTitle V Permits
May 20, 2022FCE On-SiteStateTitle V Permits
September 22, 2020FCE On-SiteStateTitle V Permits
September 26, 2018FCE On-SiteStateTitle V Permits

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

DateWhat EPA recordedAgencyPrograms
July 7, 2026Earliest FRV determinationStateNew Source Performance Standards; Title V Permits
October 23, 2025Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 10, 2025Earliest FRV determinationStateNew Source Performance Standards; Title V Permits
March 27, 2025Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 5, 2024Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 30, 2018Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 22, 2017Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 23, 2017Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 1, 2017Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Informal enforcement

DateWhat EPA recordedAgency
July 7, 2026Notice of ViolationState
October 23, 2025Notice of ViolationState
May 20, 2025Warning LetterState
March 27, 2025Notice of ViolationState
January 22, 2025Notice of ViolationState
September 5, 2024Notice of ViolationState
May 30, 2018Notice of ViolationState
May 22, 2017Notice of ViolationState
February 23, 2017Notice of ViolationState
February 1, 2017Warning LetterState

Stack tests

DateWhat EPA recordedAgency
August 20, 2025FailState
October 11, 2024PassState
October 10, 2024PassState
October 9, 2024FailState
July 31, 2024PassState
June 12, 2024FailState
June 11, 2024FailState
December 5, 2023PassState
August 30, 2022PassState
October 28, 2020PassState
October 27, 2020PassState
August 28, 2019PassState
April 4, 2018FailState
April 4, 2018PassState
December 7, 2017PassState
August 2, 2017PassState
July 18, 2017PassState
March 9, 2017FailState

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

Watch this source

One source, $99/month. A source: the register entry for a plant, refinery, kiln, generating station, or other fixed installation the agency tracks under the Clean Air Act. Choose “One source” and enter this source’s ICIS-AIR ID, IA0000001914700064.

Start the watch

How often?
  • One source — $99/month
  • One county — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110020579907 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
We’ll email you a link to confirm. Unsubscribe any time.