Clean Air Act stationary source · ICIS-AIR TN0000004700900183
DENSO MANUFACTURING TN, INC., Maryville, TN: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- Violation w/in 1 YearCurrent violation status, as filed
- 9Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 2Formal enforcement actions since January 1, 2017
DENSO MANUFACTURING TN, INC., at 1720 ROBERT C. JACKSON DRIVE, Maryville in Blount County, Tennessee, 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 “Violation w/in 1 Year”. Blount 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 | DENSO MANUFACTURING TN, INC. |
|---|---|
| ICIS-AIR ID | TN0000004700900183 |
| EPA facility registry ID | 110070733650 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | Violation w/in 1 Year |
| Address | 1720 ROBERT C. JACKSON DRIVE, Maryville, TN 37801 |
| County | Blount County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Computer and electronic product manufacturing (NAICS 3345) |
| SIC code | 3829 |
| EPA region | 04 |
Cited to the EPA ICIS-AIR facility file (ECHO download).
Programs and pollutants
Velarion’s copy of EPA’s ICIS-AIR download does not yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs DENSO MANUFACTURING TN, 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
- 9Evaluations since January 1, 2017
- 6Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| January 7, 2026 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 23, 2024 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 16, 2021 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| November 25, 2019 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| January 23, 2019 | PCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 4, 2018 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 20, 2018 | PCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 24, 2017 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 9, 2017 | PCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
Violations
- 2Violation 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 |
|---|---|---|---|
| January 15, 2026 | Earliest FRV determination | State | Title V Permits |
| January 29, 2020 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
Enforcement and penalties
2 formal enforcement actions since January 1, 2017, 2 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 |
|---|---|---|---|
| May 25, 2026 | Administrative Order | State | $8,000 |
| July 9, 2020 | Administrative Order | State | $750 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| February 13, 2026 | Notice of Violation | State |
| March 6, 2020 | 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 TN0000004700900183 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 110070733650 there.
Nearby on the register
- Air-emissions sources in Blount County
- Every source record in Blount County, A to Z
- Air-emissions sources in Tennessee
- Every source record in Tennessee, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.