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Clean Air Act stationary source · ICIS-AIR ME000A001179

MAINE DEPARTMENT OF TRANSPORTATION, Portland, ME: Clean Air Act compliance record, inspections, violations, penalties

MAINE DEPARTMENT OF TRANSPORTATION, at 470 COMMERCIAL ST, Portland in Cumberland County, Maine, 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”. Cumberland 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.

What the register holds for MAINE DEPARTMENT OF TRANSPORTATION: its ICIS-AIR ID, its operating status, its emissions classification, its current violation status, its industry code and its address in Portland, Cumberland County, Maine. EPA’s compliance evaluation, violation, stack test and enforcement files, as loaded, hold no record for ICIS-AIR ME000A001179 since January 1, 2017.

Identity

Facility as filedMAINE DEPARTMENT OF TRANSPORTATION
ICIS-AIR IDME000A001179
EPA facility registry ID110071722227
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address470 COMMERCIAL ST, Portland, ME 04101
CountyCumberland County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Executive and legislative government (NAICS 9211)
EPA region01

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 MAINE DEPARTMENT OF TRANSPORTATION 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

EPA’s compliance evaluation file holds no evaluation of ICIS-AIR ME000A001179 since January 1, 2017.

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 ME000A001179 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 ME000A001179 since January 1, 2017.

Stack tests

EPA’s stack test file holds no test at ICIS-AIR ME000A001179 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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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 110071722227 there.

Nearby on the register

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

What this page shows

The MAINE DEPARTMENT OF TRANSPORTATION facility in Portland is one of 1 Clean Air Act source in Cumberland County carrying the same industry code (NAICS 9211), and it sits among 62 synthetic minor sources in that county on EPA's ICIS-AIR register. Against its peers, 2.2% of the 279 synthetic minor sources in Maine had at least one violation on file since 2017, while 58.1% of the Cumberland County synthetic minor sources had at least one compliance evaluation on file over that span; this facility has none of either.