ICIS-AIR PA000275229
KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION, Shelocta, PA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 59Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 2Formal enforcement actions since January 1, 2017
KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION is on EPA’s ICIS-AIR register at 313 KEYSTONE DR, Shelocta in Armstrong County, Pennsylvania: operating status operating, emissions classification major source, current violation status “No Violation Identified”. Armstrong County is on EPA’s Green Book list of areas that do not meet a national air quality standard.
What stands out
- The newest of the 77 events on file is a compliance evaluation dated April 9, 2026.
- Of the 2 formal enforcement actions on file, 0 carry a filed penalty above zero.
- Of its 59 compliance evaluations on file, 6 are a full compliance evaluation.
- The register holds 79 air-emissions sources in Armstrong County, Pennsylvania.
Every line is computed by formula from the record’s stored figures; nothing is estimated.
Identity
| Facility as filed | KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION |
|---|---|
| ICIS-AIR ID | PA000275229 |
| EPA facility registry ID | 110000538525 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (HPV field) | No Violation Identified |
| Address | 313 KEYSTONE DR, Shelocta, PA 15774-2305 |
| County | Armstrong County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2211) |
| SIC code | 4911 |
| EPA region | 03 |
Programs and pollutants
The program, pollutant and Title V files are not loaded: what this page covers.
Compliance evaluations
- 59Evaluations since January 1, 2017
- 6Full compliance evaluations
The newest 50 of 59.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| April 9, 2026 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| December 9, 2025 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 13, 2025 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 14, 2024 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 24, 2024 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 15, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 20, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 6, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 21, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 26, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 29, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 18, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 1, 2022 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 24, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 25, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 26, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 2, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 2, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 2, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 2, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 10, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 10, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 30, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 9, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 9, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| February 23, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 28, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| December 23, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| December 23, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 25, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 25, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 24, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 28, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 28, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 24, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 9, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 24, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 22, 2020 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 4, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 25, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 1, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 20, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 18, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 18, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| October 24, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 26, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 29, 2018 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 25, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 25, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 23, 2018 | PCE On-Site Monitoring/Sampling | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
Violations
- 0Violation determinations since January 1, 2017
- 0Of them high-priority
What high-priority and federally reportable violations mean.
EPA’s violation history file holds no violation for ICIS-AIR PA000275229 since January 1, 2017.
Enforcement and penalties
0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| August 15, 2023 | Administrative Order | State | $0 |
| October 11, 2017 | Administrative Order | State | $0 |
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR PA000275229 since January 1, 2017.
Stack tests
- 16Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| March 13, 2026 | Pass | State |
| December 5, 2024 | Pass | State |
| December 5, 2024 | Pass | State |
| August 9, 2024 | Pass | State |
| August 9, 2024 | Pass | State |
| July 29, 2021 | Pass | State |
| July 8, 2021 | Pass | State |
| June 13, 2019 | Pass | State |
| June 1, 2018 | Pass | State |
| June 1, 2018 | Pass | State |
| March 23, 2018 | Pass | State |
| December 6, 2017 | Pass | State |
| August 16, 2017 | Pass | State |
| May 17, 2017 | Pass | State |
| March 15, 2017 | Pass | State |
| February 21, 2017 | Pass | State |
Watch KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION
Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110000538525).
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EPA ICIS-AIR download, loaded September 14, 2026.