Velarion Records
Follow this air source Velarion Records emails you this air source’s record, cited to the public filing, and tells you when the register changes it. Free.
One more press on the next page sends it; there is no link to click in an email. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Air Act stationary source · ICIS-AIR PA000257284

H & K MATERIALS/SKUNK HOLLOW QUARRY, Chalfont, PA: Clean Air Act compliance record, inspections, violations, penalties

H & K MATERIALS/SKUNK HOLLOW QUARRY, at 300 SKUNK HOLLOW RD, Chalfont in Bucks County, Pennsylvania, is an operating synthetic minor 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”. Bucks 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 filedH & K MATERIALS/SKUNK HOLLOW QUARRY
ICIS-AIR IDPA000257284
EPA facility registry ID110001061500
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address300 SKUNK HOLLOW RD, Chalfont, PA 18914-1035
CountyBucks County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Mining and quarrying (NAICS 2123)
SIC code1499
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 H & K MATERIALS/SKUNK HOLLOW QUARRY 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 14, 2026PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 3, 2026PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 3, 2025FCE On-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 7, 2025PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 31, 2024FCE On-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 15, 2024PCE On-Site Monitoring/SamplingStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 15, 2024PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 25, 2023PCE On-Site Monitoring/SamplingStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 22, 2023PCE On-Site Monitoring/SamplingStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 28, 2023PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 23, 2023PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 20, 2022FCE On-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 13, 2022PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 7, 2021PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 14, 2020PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 27, 2019FCE On-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 16, 2019PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 11, 2018PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 27, 2018PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 8, 2017PCE On-Site Monitoring/SamplingStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 8, 2017PCE Off-SiteStateNew Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality 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
February 23, 2023Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 20, 2022Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 27, 2019Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

2 formal enforcement actions since January 1, 2017, 2 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
February 21, 2024Administrative OrderState$53,087
February 7, 2023Administrative OrderState$8,500

Informal enforcement

DateWhat EPA recordedAgency
February 28, 2023Notice of ViolationState
December 6, 2022Notice of ViolationState
August 1, 2022Notice of ViolationState
August 30, 2017Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
May 22, 2023PassState
October 21, 2022FailState
June 26, 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, PA000257284.

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 110001061500 there.

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 H & K MATERIALS/SKUNK HOLLOW QUARRY, an operating synthetic minor source in Chalfont, PA. The page lists 21 compliance evaluations, 0 high-priority violations, and 2 formal enforcement actions since January 1, 2017, with current violation status listed as No Violation Identified.