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ICIS-AIR MD0000002402700364

ALPHA RIDGE LANDFILL, Marriottsville, MD: Clean Air Act compliance record, inspections, violations, penalties

ALPHA RIDGE LANDFILL is on EPA’s ICIS-AIR register at 2350 MARRIOTTSVILLE RD, Marriottsville in Howard County, Maryland: operating status operating, emissions classification major source, current violation status “No Violation Identified”. Howard County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

  • The newest of the 34 events on file is a stack test dated August 25, 2026.
  • Its events on file run from February 10, 2017 through August 25, 2026.
  • Of its 28 compliance evaluations on file, 5 are a full compliance evaluation.
  • The register holds 234 air-emissions sources in Howard County, Maryland.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filedALPHA RIDGE LANDFILL
ICIS-AIR IDMD0000002402700364
EPA facility registry ID110043668563
Operating statusOperating
Emissions classificationMajor source
Current violation status (HPV field)No Violation Identified
Address2350 MARRIOTTSVILLE RD, Marriottsville, MD 21104
CountyHoward County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Waste management and remediation (NAICS 5622)
EPA region03

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
November 14, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 6, 2025PCE Off-SiteStateTitle V Permits
August 8, 2024PCE Off-SiteStateTitle V Permits
April 2, 2024PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
January 30, 2024PCE Off-SiteStateTitle V Permits
December 7, 2023FCE On-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 20, 2023PCE Off-SiteStateTitle V Permits
March 29, 2023PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 14, 2023PCE Off-SiteStateTitle V Permits
September 20, 2022PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 29, 2022PCE Off-SiteStateTitle V Permits
February 4, 2022PCE Off-SiteStateTitle V Permits
November 8, 2021FCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 16, 2021PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 28, 2021PCE Off-SiteStateTitle V Permits
January 21, 2021PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 30, 2020PCE Off-SiteStateTitle V Permits
April 22, 2020PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
December 13, 2019FCE On-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
September 16, 2019PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 13, 2019PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
July 27, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 23, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 22, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
January 23, 2018FCE On-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 4, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
April 26, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
February 10, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

Violations

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR MD0000002402700364 since January 1, 2017.

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR MD0000002402700364 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
August 25, 2026PassState
August 12, 2025PassState
March 6, 2023PassState
March 10, 2020PassState
September 21, 2018PassState
May 18, 2017PassState

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110043668563).

Other air sources in Maryland beside ALPHA RIDGE LANDFILL

EPA ICIS-AIR download, loaded September 14, 2026.