Velarion Records
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Clean Air Act stationary source · ICIS-AIR SC00024400065

HEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS QUARRY, Mcconnells, SC: Clean Air Act compliance record, inspections, violations, penalties

HEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS QUARRY, at 485 TRUE ROAD, Mcconnells in York County, South Carolina, 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”. York 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 filedHEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS QUARRY
ICIS-AIR IDSC00024400065
EPA facility registry ID110010321730
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address485 TRUE ROAD, Mcconnells, SC 29726
CountyYork County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Mining and quarrying (NAICS 2123)
EPA region04

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 HEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS 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 19, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 27, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 15, 2025PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 2, 2023FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 12, 2023PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 19, 2020FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 6, 2020PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 11, 2019PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 11, 2019FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 14, 2017PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 14, 2017FCE On-SiteStateState 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
May 21, 2025Earliest FRV determinationStateNew Source Performance 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 17, 2025Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
April 1, 2025PassState

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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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 110010321730 there.

Nearby on the register

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