Clean Water Act discharge permit · NPDES MOR80F016
SPIRIT OF ST. LOUIS AIRPORT, Chesterfield, MO: NPDES MOR80F016 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SPIRIT OF ST. LOUIS AIRPORT, held by ST LOUIS COUNTY, holds NPDES permit MOR80F016, which discharges to Tributary To Bonhomme Creek. EPA’s file records it issued February 1, 2018 and expiring November 27, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SPIRIT OF ST. LOUIS AIRPORT |
|---|---|
| Permittee as filed | ST LOUIS COUNTY |
| NPDES ID | MOR80F016 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | February 1, 2018 |
| Expiration date | November 27, 2022 |
| Address | Chesterfield, MO 63005 |
| Receiving water | Tributary to Bonhomme Creek |
| Subwatershed | Greens Chute-Missouri River (HUC 103002000702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | 2 | 22 | 0 | ||
| pH | 2 | 22 | 0 | ||
| Solids, total suspended | 2 | 22 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 22 | 0 | ||
| Chloride [as Cl] | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Ethylbenzene | 2 | 20 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 16 | 0 | ||
| Ammonia [as N] + unionized ammonia | 2 | 16 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 2 | 16 | 0 | ||
| Report due [yrmoda] | 1 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 6 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOR80F016.
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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 17, 2025 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| April 17, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| April 17, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 3, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
Watch this permit
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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 MOR80F016 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.