Clean Air Act stationary source · ICIS-AIR MD0000002402700050
JOHNS HOPKINS UNIVERSITY - APL, Laurel, MD: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- Violation w/in 1 YearCurrent violation status, as filed
- 9Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
JOHNS HOPKINS UNIVERSITY - APL, at 11100 JOHNS HOPKINS RD, Laurel in Howard County, Maryland, 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 “Violation w/in 1 Year”. Howard 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 | JOHNS HOPKINS UNIVERSITY - APL |
|---|---|
| ICIS-AIR ID | MD0000002402700050 |
| EPA facility registry ID | 110019858402 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | Violation w/in 1 Year |
| Address | 11100 JOHNS HOPKINS RD, Laurel, MD 20723 |
| County | Howard County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Professional, scientific and technical services (NAICS 5417) |
| 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 JOHNS HOPKINS UNIVERSITY - APL 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
- 9Evaluations since January 1, 2017
- 3Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| March 11, 2026 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 9, 2024 | PCE Off-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 2, 2023 | PCE Off-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 14, 2022 | PCE Off-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 7, 2022 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 5, 2021 | PCE Off-Site | State | 40 CFR Part 63 Area Sources; New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 22, 2018 | PCE Off-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 19, 2017 | 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 |
| August 17, 2017 | PCE Off-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
- 1Violation 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 |
|---|---|---|---|
| April 15, 2026 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
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 |
|---|---|---|
| April 15, 2026 | 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 MD0000002402700050 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 110019858402 there.
Nearby on the register
- Air-emissions sources in Howard County
- Every source record in Howard County, A to Z
- Air-emissions sources in Maryland
- Every source record in Maryland, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.