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Clean Air Act stationary source · ICIS-AIR IA0000001902300109

POET BIOREFINING - SHELL ROCK, LLC, Shell Rock, IA: Clean Air Act compliance record, inspections, violations, penalties

POET BIOREFINING - SHELL ROCK, LLC, at 30750 212TH ST (HWY 3), Shell Rock in Butler 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 “Addressed-State”. 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 - SHELL ROCK, LLC
ICIS-AIR IDIA0000001902300109
EPA facility registry ID110030490494
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Addressed-State
Address30750 212TH ST (HWY 3), Shell Rock, IA 50670
CountyButler 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 - SHELL ROCK, LLC 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
June 26, 2025FCE On-SiteStateTitle V Permits
August 7, 2023FCE On-SiteStateTitle V Permits
November 12, 2021FCE On-SiteStateTitle V Permits
November 18, 2019FCE On-SiteStateTitle V Permits
January 23, 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
August 19, 2025Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 10, 2025Earliest FRV determinationStateNew Source Performance Standards
February 7, 2024HPV day-zero determinationStatePrevention of Significant Deterioration of Air Quality; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 8, 2024Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 10, 2021Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 10, 2018Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 1 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.

DateWhat EPA recordedAgencyPenalty, as filed
July 5, 2024Administrative OrderState$10,000

Informal enforcement

DateWhat EPA recordedAgency
August 19, 2025Notice of ViolationState
May 20, 2025Warning LetterState
February 7, 2024Notice of ViolationState
January 8, 2024Notice of ViolationState
February 10, 2021Notice of ViolationState
September 10, 2018Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
June 5, 2025PassState
June 4, 2025PassState
June 4, 2025FailState
June 4, 2025PassState
March 27, 2025PassState
March 26, 2025PassState
June 13, 2024PassState
June 12, 2024PassState
November 9, 2023PassState
November 9, 2023PassState
November 9, 2023PassState
September 13, 2023FailState
September 13, 2023FailState
June 20, 2023PassState
June 14, 2023PassState
June 14, 2023PassState
August 5, 2022PassState
August 4, 2022PassState
August 3, 2022PassState
June 16, 2022PassState
June 11, 2021PassState
June 10, 2021PassState
June 9, 2021PassState
December 17, 2020PassState
December 2, 2020PassState
October 28, 2020PassState
October 21, 2020PassState
October 20, 2020FailState
June 19, 2020PassState
May 14, 2020PassState
May 13, 2020PassState
August 29, 2019PassState
June 19, 2019PassState
June 17, 2019PassState
June 8, 2018PassState
June 7, 2018PassState
June 7, 2018PassState
June 6, 2018PassState
June 4, 2018PassState
December 21, 2017PassState
December 20, 2017PassState
June 14, 2017PassState

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.

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Nearby on the register

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

What this page shows

This page covers the Clean Air Act compliance record of POET BIOREFINING - SHELL ROCK, LLC, in Shell Rock, IA, in Butler County, an operating major source listed as ICIS-AIR ID IA0000001902300109. The page lists 5 compliance evaluations, 1 high-priority violations, and 1 formal enforcement actions since January 1, 2017, with the current violation status as Addressed-State.