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Clean Air Act stationary source · ICIS-AIR PA000254018

MONTOUR LLC/MONTOUR SES, Washingtonville, PA: Clean Air Act compliance record, inspections, violations, penalties

MONTOUR LLC/MONTOUR SES, at PO BOX 128, Washingtonville in Montour County, Pennsylvania, 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”. 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 filedMONTOUR LLC/MONTOUR SES
ICIS-AIR IDPA000254018
EPA facility registry ID110064526311
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressPO BOX 128, Washingtonville, PA 17884-0128
CountyMontour County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
SIC code4911
EPA region03

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 MONTOUR LLC/MONTOUR SES 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

The newest 50 of 160.

DateWhat EPA recordedAgencyPrograms
November 2, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 4, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 4, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 5, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 8, 2026FCE On-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 6, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 25, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 25, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 25, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 23, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 13, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 13, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 13, 2026PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 29, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 29, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 29, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 31, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 2, 2025FCE On-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 12, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 17, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 25, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 18, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 18, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 18, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 18, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
January 31, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 23, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 20, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 20, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 16, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 16, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 2, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 29, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
June 18, 2024FCE On-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 12, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 15, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 15, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 15, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 1, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 21, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 1, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 5, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 6, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 6, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 1, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title 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
December 5, 2023Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 13, 2023HPV day-zero determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
June 7, 2017Earliest 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
December 26, 2023Administrative OrderState$24,500

Informal enforcement

DateWhat EPA recordedAgency
December 5, 2023Notice of ViolationState
September 13, 2023Notice of ViolationState
June 7, 2017Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
January 20, 2026PassState
July 30, 2025PassState
November 15, 2023PassState
November 14, 2023PassState
October 10, 2023PassState
August 23, 2023PassState
August 3, 2023PassState
July 18, 2023PassState
July 13, 2023FailState
July 12, 2023PassState
February 6, 2023PassState
August 25, 2022PassState
July 26, 2022PassState
March 3, 2022PassState
July 14, 2021PassState
January 26, 2021PassState
July 28, 2020PassState
June 23, 2020PassState
June 18, 2020PassState
July 18, 2019PassState
June 19, 2018PassState
August 11, 2017PassState
June 28, 2017PassState
March 17, 2017PassState
February 9, 2017PassState
February 9, 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 110064526311 there.

Nearby on the register

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

What this page shows

This page of the Velarion Records public-records register covers the Clean Air Act stationary source record for MONTOUR LLC/MONTOUR SES in Washingtonville, PA, under ICIS-AIR ID PA000254018. The page lists 159 compliance evaluations, 1 high-priority violations, and 1 formal enforcement actions since January 1, 2017, with a current violation status of No Violation Identified, an Operating operating status, and a Major source emissions classification.