Clean Air Act stationary source · ICIS-AIR ME0000002300300066
STEELSTONE INDUSTRIES, INC., Houlton, ME: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 4Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
STEELSTONE INDUSTRIES, INC., at 154 STEELSTONE ST, Houlton in Aroostook 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”. Aroostook 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 | STEELSTONE INDUSTRIES, INC. |
|---|---|
| ICIS-AIR ID | ME0000002300300066 |
| EPA facility registry ID | 110064143895 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 154 STEELSTONE ST, Houlton, ME 04730 |
| County | Aroostook County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Mining and quarrying (NAICS 2123) |
| SIC code | 2951 |
| 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 STEELSTONE INDUSTRIES, INC. 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
- 4Evaluations since January 1, 2017
- 3Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| September 21, 2021 | PCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 1, 2019 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 19, 2018 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 31, 2017 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 0Violation determinations since January 1, 2017
- 0Of 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.
EPA’s violation history file holds no violation for ICIS-AIR ME0000002300300066 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
| Date | What EPA recorded | Agency |
|---|---|---|
| August 12, 2025 | Warning Letter | State |
| December 27, 2024 | Warning Letter | State |
Stack tests
- 2Stack tests since January 1, 2017
- 1Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2025 | Pass | State |
| May 28, 2025 | Fail | 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 110064143895 there.
Nearby on the register
- Air-emissions sources in Aroostook County
- Every source record in Aroostook County, A to Z
- Air-emissions sources in Maine
- Every source record in Maine, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.