Velarion Records

Clean Air Act stationary source · ICIS-AIR CT0000000900500145

PLAINFIELD RENEWABLE ENERGY LLC, Plainfield, CT: Clean Air Act compliance record, inspections, violations, penalties

PLAINFIELD RENEWABLE ENERGY LLC, at 12 MILL POND RD, Plainfield in Litchfield County, Connecticut, 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 “No Violation Identified”. Litchfield County is on EPA’s Green Book list of areas that do not meet a national air quality standard. 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 filedPLAINFIELD RENEWABLE ENERGY LLC
ICIS-AIR IDCT0000000900500145
EPA facility registry ID110056431918
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address12 MILL POND RD, Plainfield, CT 06374
CountyLitchfield County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
EPA region01

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 PLAINFIELD RENEWABLE ENERGY 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
May 19, 2026FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 22, 2024FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 23, 2024PCE Off-SiteStateNew Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 15, 2022FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 26, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 19, 2018FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 27, 2017PCE Off-SiteU.S. EPANew Source Performance Standards
April 7, 2017PCE Off-SiteU.S. EPANew Source Performance Standards
April 7, 2017PCE Off-SiteU.S. EPANew Source Performance Standards

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 30, 2024HPV day-zero determinationStateNew Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 9, 2022Earliest FRV determinationStateNew Source Review Permit Requirements
October 6, 2020Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 29, 2019Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
June 15, 2018Earliest FRV determinationStateNew Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 9, 2018Earliest FRV determinationStateNew Source Review Permit Requirements; State 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
May 21, 2025Administrative OrderState$74,000

Informal enforcement

DateWhat EPA recordedAgency
July 30, 2024Notice of ViolationState
March 9, 2022Notice of ViolationState
October 6, 2020Notice of ViolationState
August 29, 2019Notice of ViolationState
June 15, 2018Notice of ViolationState
February 9, 2018Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
June 3, 2026PassState
June 3, 2026FailState
June 19, 2025PassState
May 24, 2024PassState
May 23, 2024PassState
April 27, 2023PassState
November 24, 2021FailState
September 1, 2021FailState
March 16, 2021PassState
August 7, 2020PassState
June 28, 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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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 110056431918 there.

Nearby on the register

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

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