Clean Air Act stationary source · ICIS-AIR CT0000000900700112
THE MATTABASSETT DISTRICT, Cromwell, CT: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Minor sourceEmissions classification
- Addressed-StateCurrent violation status, as filed
- 7Compliance evaluations since January 1, 2017
- 2High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
THE MATTABASSETT DISTRICT, at 245 MAIN STREET, Cromwell in Middlesex County, Connecticut, is an operating 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 “Addressed-State”. Middlesex 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 filed | THE MATTABASSETT DISTRICT |
|---|---|
| ICIS-AIR ID | CT0000000900700112 |
| EPA facility registry ID | 110001404178 |
| Operating status | Operating |
| Emissions classification | Minor source |
| Current violation status (ICIS-AIR high-priority violation field) | Addressed-State |
| Address | 245 MAIN STREET, Cromwell, CT 06416 |
| County | Middlesex County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2213) |
| SIC code | 4952 |
| EPA region | 01 |
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 THE MATTABASSETT DISTRICT 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
- 7Evaluations since January 1, 2017
- 3Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| June 29, 2026 | PCE On-Site | U.S. EPA | CAASWFC |
| December 16, 2025 | PCE Off-Site | U.S. EPA | New Source Performance Standards |
| August 12, 2025 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 1, 2024 | PCE Off-Site | State | New Source Performance Standards (Non-Major); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 5, 2023 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 31, 2021 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 26, 2017 | PCE On-Site | U.S. EPA | New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 7Violation determinations since January 1, 2017
- 2Of them high-priority
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.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| December 3, 2024 | HPV day-zero determination | State | New Source Performance Standards (Non-Major); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 13, 2024 | HPV day-zero determination | State | New Source Review Permit Requirements |
| November 6, 2024 | Earliest FRV determination | State | New Source Performance Standards (Non-Major); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 15, 2024 | Earliest FRV determination | State | New Source Review Permit Requirements |
| March 27, 2024 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 6, 2022 | Earliest FRV determination | State | New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 25, 2022 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
Enforcement and penalties
1 formal enforcement actions since January 1, 2017, 1 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.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| May 22, 2026 | Administrative Order | State | $65,400 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| November 6, 2024 | Notice of Violation | State |
| September 20, 2024 | Notice of Violation | State |
| March 27, 2024 | Notice of Violation | State |
| September 6, 2022 | Notice of Violation | State |
| May 25, 2022 | Notice of Violation | State |
Stack tests
- 9Stack tests since January 1, 2017
- 1Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| June 30, 2026 | Pass | State |
| August 21, 2025 | Pass | State |
| May 22, 2024 | Fail | State |
| May 25, 2023 | Pass | State |
| June 29, 2022 | Pass | State |
| May 14, 2020 | Pass | State |
| April 29, 2019 | Pass | State |
| May 1, 2018 | Pass | State |
| May 2, 2017 | Pass | State |
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 110001404178 there.
Nearby on the register
- Air-emissions sources in Middlesex County
- Every source record in Middlesex County, A to Z
- Air-emissions sources in Connecticut
- Every source record in Connecticut, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.