Clean Water Act discharge permit · NPDES MOG140087
THE PARQ AT CHESTERFIELD, Chesterfield, MO: NPDES MOG140087 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
THE PARQ AT CHESTERFIELD, held by Passco, holds NPDES permit MOG140087, which discharges to Tributary To Bonhomme Cr.. EPA’s file records it issued December 1, 2021 and expiring June 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | THE PARQ AT CHESTERFIELD |
|---|---|
| Permittee as filed | Passco |
| NPDES ID | MOG140087 |
| 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 |
| Issued | December 1, 2021 |
| Expiration date | June 30, 2024 |
| Address | Chesterfield, MO 63017 |
| Receiving water | Tributary to Bonhomme Cr. |
| Subwatershed | Bonhomme Creek (HUC 103002000701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| pH | 4 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 4 | 4 | 0 | ||
| Benzene | 4 | 4 | 0 | ||
| Ethylbenzene | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG140087.
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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 1, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 5, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 5, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| February 5, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
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 MOG140087 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.