Clean Air Act stationary source · ICIS-AIR NH0000003301100034
CROTCHED MOUNTAIN SCHOOL, Greenfield, NH: 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
- 1Formal enforcement actions since January 1, 2017
CROTCHED MOUNTAIN SCHOOL, at ONE VERNEY DR, Greenfield in Hillsborough County, New Hampshire, 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”. Hillsborough 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 | CROTCHED MOUNTAIN SCHOOL |
|---|---|
| ICIS-AIR ID | NH0000003301100034 |
| EPA facility registry ID | 110001521862 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | ONE VERNEY DR, Greenfield, NH 03047 |
| County | Hillsborough County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Nursing and residential care facilities (NAICS 6232) |
| 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 CROTCHED MOUNTAIN SCHOOL 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
- 2Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| November 26, 2024 | FCE On-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 24, 2021 | PCE On-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 30, 2020 | PCE Off-Site | U.S. EPA | MACT Standards (40 CFR Part 63) |
| November 27, 2019 | FCE On-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 4Violation 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.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| August 15, 2024 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 24, 2023 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 16, 2022 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 7, 2018 | Earliest FRV determination | State | 40 CFR Part 63 Area Sources |
Enforcement and penalties
1 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.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| August 25, 2022 | Administrative Order | State | $0 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| August 15, 2024 | Notice of Violation | State |
| July 26, 2023 | Notice of Violation | State |
| June 30, 2022 | Notice of Violation | State |
| June 9, 2021 | Notice of Violation | State |
| December 7, 2018 | Notice of Violation | State |
Stack tests
- 0Stack tests since January 1, 2017
- 0Recorded as failed
EPA’s stack test file holds no test at ICIS-AIR NH0000003301100034 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 110001521862 there.
Nearby on the register
- Air-emissions sources in Hillsborough County
- Every source record in Hillsborough County, A to Z
- Air-emissions sources in New Hampshire
- Every source record in New Hampshire, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.