Clean Air Act stationary source · ICIS-AIR PA000798
UPPER MORELAND HATBORO JT SEW AUTH/WILLOW GROVE, Willow Grove, PA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 81Compliance evaluations since January 1, 2017
- 3High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
UPPER MORELAND HATBORO JT SEW AUTH/WILLOW GROVE, at 2875 TERWOOD RD, Willow Grove in Montgomery County, Pennsylvania, 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 “No Violation Identified”. Montgomery 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 | UPPER MORELAND HATBORO JT SEW AUTH/WILLOW GROVE |
|---|---|
| ICIS-AIR ID | PA000798 |
| EPA facility registry ID | 110012413076 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 2875 TERWOOD RD, Willow Grove, PA 19090-1434 |
| County | Montgomery County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2213) |
| SIC code | 4952 |
| EPA region | 03 |
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 UPPER MORELAND HATBORO JT SEW AUTH/WILLOW GROVE 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
- 81Evaluations since January 1, 2017
- 5Full compliance evaluations
The newest 50 of 81.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| August 19, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 4, 2026 | FCE On-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 3, 2026 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 29, 2026 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 12, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 11, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 27, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 22, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 16, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 24, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 11, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 10, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 4, 2026 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| December 17, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 25, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 21, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 14, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 10, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 3, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 5, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 5, 2025 | FCE On-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 30, 2025 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 22, 2025 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 14, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 17, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 28, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 9, 2024 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 12, 2024 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 12, 2024 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 9, 2024 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 27, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 5, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 24, 2023 | FCE On-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 5, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 31, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 24, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 9, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 7, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 18, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 27, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 31, 2022 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 22, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 3, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 6, 2020 | FCE On-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 4, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 20, 2020 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 13, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 30, 2020 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 22, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 11, 2020 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
Violations
- 9Violation determinations since January 1, 2017
- 3Of 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 |
|---|---|---|---|
| July 8, 2024 | HPV day-zero determination | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 21, 2022 | HPV day-zero determination | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 22, 2021 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 19, 2020 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 13, 2020 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 24, 2019 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 10, 2019 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 15, 2018 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 1, 2018 | HPV day-zero determination | State | MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; 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 |
|---|---|---|---|
| March 8, 2022 | Administrative Order | State | $1,757 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| September 10, 2025 | Notice of Violation | State |
| July 8, 2024 | Notice of Violation | State |
| August 5, 2022 | Notice of Violation | State |
| November 2, 2021 | Notice of Violation | State |
| October 23, 2020 | Notice of Violation | State |
| October 13, 2020 | Notice of Violation | State |
| August 8, 2019 | Notice of Violation | State |
| April 15, 2019 | Notice of Violation | State |
| October 18, 2018 | Notice of Violation | State |
| October 1, 2018 | Notice of Violation | State |
Stack tests
- 8Stack tests since January 1, 2017
- 2Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| December 4, 2024 | Pass | State |
| April 5, 2024 | Pending | State |
| March 16, 2023 | Pass | State |
| March 23, 2021 | Pass | State |
| January 10, 2020 | Fail | State |
| May 22, 2019 | Fail | State |
| December 12, 2018 | Pass | State |
| May 11, 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 110012413076 there.
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Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.