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ICIS-AIR ME0000002300500049

SUNOCO MIDSTREAM LLC, South Portland, ME: Clean Air Act compliance record, inspections, violations, penalties

SUNOCO MIDSTREAM LLC is on EPA’s ICIS-AIR register at 175 FRONT ST, South Portland in Cumberland County, Maine: operating status operating, emissions classification synthetic minor source, current violation status “No Violation Identified”. Cumberland 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 35 events on file is a compliance evaluation dated July 30, 2025.
  • Its events on file run from January 18, 2017 through July 30, 2025.
  • Of its 25 compliance evaluations on file, 2 are a full compliance evaluation.
  • The register holds 166 air-emissions sources in Cumberland County, Maine.

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

Identity

Facility as filedSUNOCO MIDSTREAM LLC
ICIS-AIR IDME0000002300500049
EPA facility registry ID110000314357
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (HPV field)No Violation Identified
Address175 FRONT ST, South Portland, ME 04106
CountyCumberland County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Merchant wholesalers, nondurable goods (NAICS 4247)
SIC code5171
EPA region01

Programs and pollutants

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

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
July 30, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63)
February 3, 2025PCE Off-SiteStateMACT Standards (40 CFR Part 63)
August 1, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63)
January 30, 2024PCE Off-SiteStateMACT Standards (40 CFR Part 63)
July 28, 2023PCE Off-SiteStateMACT Standards (40 CFR Part 63)
October 21, 2022PCE Off-SiteState40 CFR Part 63 Area Sources
August 2, 2022FCE On-SiteStateMACT Standards (40 CFR Part 63)
July 25, 2022PCE Off-SiteState40 CFR Part 63 Area Sources
January 30, 2022PCE Off-SiteStateMACT Standards (40 CFR Part 63)
January 24, 2022PCE Off-SiteStateMACT Standards (40 CFR Part 63)
July 29, 2021PCE Off-SiteStateMACT Standards (40 CFR Part 63)
January 28, 2021PCE Off-SiteStateMACT Standards (40 CFR Part 63)
January 27, 2020PCE Off-SiteStateMACT Standards (40 CFR Part 63)
July 31, 2019PCE Off-SiteStateMACT Standards (40 CFR Part 63)
May 8, 2019PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 24, 2019PCE Off-SiteStateMACT Standards (40 CFR Part 63)
July 30, 2018PCE Off-SiteStateMACT Standards (40 CFR Part 63)
February 2, 2018PCE Off-SiteStateMACT Standards (40 CFR Part 63)
July 21, 2017PCE Off-SiteStateMACT Standards (40 CFR Part 63)
May 10, 2017PCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 4, 2017PCE On-SiteU.S. EPAState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 4, 2017PCE On-SiteU.S. EPAState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 4, 2017PCE On-SiteU.S. EPAState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 30, 2017PCE Off-SiteStateMACT Standards (40 CFR Part 63)
January 18, 2017FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR ME0000002300500049 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 ME0000002300500049 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
June 4, 2024PassState
June 15, 2023PassState
June 8, 2022PassState
May 11, 2022PassState
May 5, 2021PassState
May 5, 2021PassState
May 28, 2020PassState
May 28, 2020PassState
May 8, 2019PassState
May 9, 2018PassState

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Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110000314357).

Other air sources in Maine beside SUNOCO MIDSTREAM LLC

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