Velarion Records
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Clean Air Act stationary source · ICIS-AIR CT0000000901100039

ELECTRIC BOAT CORPORATION, Groton (Historical), CT: Clean Air Act compliance record, inspections, violations, penalties

ELECTRIC BOAT CORPORATION, at 75 EASTERN POINT ROAD, Groton (Historical) in New London County, Connecticut, is an operating major 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 “Violation w/in 1 Year”. New London 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 filedELECTRIC BOAT CORPORATION
ICIS-AIR IDCT0000000901100039
EPA facility registry ID110011370729
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)Violation w/in 1 Year
Address75 EASTERN POINT ROAD, Groton (Historical), CT 06340
CountyNew London County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Transportation equipment manufacturing (NAICS 3366)
SIC code3731
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 ELECTRIC BOAT CORPORATION 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 9, 2022FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 5, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
August 5, 2020PCE Off-SiteStateMACT Standards (40 CFR Part 63)
May 7, 2018FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits

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
November 3, 2025Earliest FRV determinationStateNew Source Review Permit Requirements
September 2, 2022Earliest FRV determinationStateMACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
May 5, 2022Earliest FRV determinationStateNew Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
March 24, 2021Earliest FRV determinationStateNew Source Review Permit Requirements
March 29, 2018Earliest FRV determinationStateNew Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality 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
November 3, 2025Notice of ViolationState
September 2, 2022Notice of ViolationState
March 24, 2022Notice of ViolationState
March 24, 2022Notice of ViolationState
March 24, 2021Notice of ViolationState
March 29, 2018Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
May 21, 2026PassState
April 16, 2025PassState
April 15, 2025PassState
April 14, 2025FailState
April 11, 2025PassState
April 10, 2025PassState
April 10, 2025PassState
March 17, 2022PassState
March 17, 2022PassState
March 15, 2022PassState
March 15, 2022PassState
April 8, 2021PassState
April 8, 2021PassState
April 7, 2021PassState
April 7, 2021PassState
March 20, 2019PassState
October 19, 2017FailState
February 23, 2017PassState
February 22, 2017PassState
February 21, 2017PassState
February 21, 2017PassState
February 15, 2017PassState
February 15, 2017PassState
February 15, 2017PassState
February 15, 2017PassState

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 110011370729 there.

Nearby on the register

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