Clean Water Act discharge permit · NPDES MOG760169
CHAPMAN PLAZA AND GARDENS AT SHAW PARK, Clayton, MO: NPDES MOG760169 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CHAPMAN PLAZA AND GARDENS AT SHAW PARK, held by City of Clayton, holds NPDES permit MOG760169, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued November 3, 2016 and expiring July 31, 2019. 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 | CHAPMAN PLAZA AND GARDENS AT SHAW PARK |
|---|---|
| Permittee as filed | City of Clayton |
| NPDES ID | MOG760169 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 3, 2016 |
| Expiration date | July 31, 2019 |
| Issuing agency | MODNR-St. Louis Regional Office |
| Address | Clayton, MO 63105 |
| Receiving water | 8-20-13 MUDD V1.0 |
| Subwatershed | Creve Coeur Creek (HUC 103002000703) |
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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 4 | 42 | 0 | ||
| pH | 4 | 42 | 0 | ||
| Solids, settleable | 4 | 42 | 0 | ||
| Chlorine, total residual | 4 | 42 | 0 | ||
| Flow, total | 4 | 42 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG760169.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 3, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 3, 2019 | Reporting Violations - Failure to Submit DMRs | 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 MOG760169 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.