Clean Air Act stationary source · ICIS-AIR OK0000004011900038
DW NATIONAL STANDARD STILLWATER LLC / STILLWATER, Stillwater, OK: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 6Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
DW NATIONAL STANDARD STILLWATER LLC / STILLWATER, at 3602 N PERKINS RD, Stillwater in Payne County, Oklahoma, 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”. 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 | DW NATIONAL STANDARD STILLWATER LLC / STILLWATER |
|---|---|
| ICIS-AIR ID | OK0000004011900038 |
| EPA facility registry ID | 110000454801 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 3602 N PERKINS RD, Stillwater, OK 74075 |
| County | Payne County |
| In a nonattainment county | No (EPA Green Book) |
| Industry (NAICS) | Primary metal manufacturing (NAICS 3312) |
| SIC code | 3315 |
| EPA region | 06 |
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 DW NATIONAL STANDARD STILLWATER LLC / STILLWATER 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
- 6Evaluations since January 1, 2017
- 5Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| April 7, 2026 | FCE On-Site | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 2, 2024 | PCE On-Site Record/Report Review | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 29, 2024 | FCE On-Site | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| March 31, 2022 | FCE On-Site | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| May 28, 2020 | FCE Off-Site | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| April 10, 2018 | FCE On-Site | State | 40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
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 |
|---|---|---|---|
| June 3, 2024 | Earliest FRV determination | State | Title V Permits |
| June 29, 2022 | Earliest FRV determination | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 26, 2020 | Earliest FRV determination | State | Title V Permits |
| August 29, 2018 | Earliest FRV determination | State | MACT Standards (40 CFR Part 63); Title V Permits |
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 |
|---|---|---|
| June 5, 2024 | Notice of Violation | State |
| June 19, 2023 | Notice of Violation | State |
| August 19, 2021 | Notice of Violation | State |
| September 26, 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 OK0000004011900038 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 110000454801 there.
Nearby on the register
- Air-emissions sources in Payne County
- Every source record in Payne County, A to Z
- Air-emissions sources in Oklahoma
- Every source record in Oklahoma, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.