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Clean Air Act stationary source · ICIS-AIR MD0000002403101128

NAVAL SUPPORT WARFARE CENTER (NSWC) - CARDEROCK DIVISION, Carderock, MD: Clean Air Act compliance record, inspections, violations, penalties

NAVAL SUPPORT WARFARE CENTER (NSWC) - CARDEROCK DIVISION, at 9500 MACARTHUR BLVD, Carderock in Montgomery County, Maryland, 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”. Montgomery 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 filedNAVAL SUPPORT WARFARE CENTER (NSWC) - CARDEROCK DIVISION
ICIS-AIR IDMD0000002403101128
EPA facility registry ID110000796149
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address9500 MACARTHUR BLVD, Carderock, MD 20817
CountyMontgomery County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)National security and international affairs (NAICS 9281)
SIC code9711
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 NAVAL SUPPORT WARFARE CENTER (NSWC) - CARDEROCK DIVISION 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
December 23, 2024PCE Off-SiteState40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 5, 2023PCE Off-SiteState40 CFR Part 63 Area Sources; New 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.

EPA’s violation history file holds no violation for ICIS-AIR MD0000002403101128 since January 1, 2017.

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

EPA’s informal action file holds no notice or warning for ICIS-AIR MD0000002403101128 since January 1, 2017.

Stack tests

EPA’s stack test file holds no test at ICIS-AIR MD0000002403101128 since January 1, 2017.

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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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, MD0000002403101128.

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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 110000796149 there.

Nearby on the register

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