Clean Water Act discharge permit · NPDES MO0135208
THE BOEING COMPANY TRACT 5, St. Charles, MO: NPDES MO0135208 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
THE BOEING COMPANY TRACT 5, held by The Boeing Company, holds NPDES permit MO0135208, which discharges to Tributary To Missouri R.. EPA’s file records it issued October 1, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | THE BOEING COMPANY TRACT 5 |
|---|---|
| Permittee as filed | The Boeing Company |
| NPDES ID | MO0135208 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | October 1, 2020 |
| Expiration date | September 30, 2025 |
| Address | St. Charles, MO 63301 |
| Receiving water | Tributary to Missouri R. |
| Subwatershed | Cowmire Creek-Missouri River (HUC 103002000801) |
| SIC | 3721 – Aircraft |
| Other EPA IDs (FRS) | RCRA handler MOD075888487; ICIS-AIR source MO0000002918300010 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 2With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 5 | 5 | December 31, 2017 | 420% over the limit |
| Oil and grease [soxhlet extr.] tot. | 5 | 1 | 1 | March 31, 2012 | 99,999% over the limit |
| pH | 10 | 0 | 0 | ||
| Iron, total recoverable | 5 | 0 | 0 | ||
| Aluminum, total recoverable | 5 | 0 | 0 | ||
| Chloride | 5 | 0 | 0 | ||
| Rainfall | 5 | 0 | 0 | ||
| Chemical oxygen demand [COD] | 5 | 0 | 0 | ||
| Storm water flow | 5 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0135208.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0135208 there.
Nearby on the register
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- Every permit record in St. Charles, A to Z
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.