Clean Water Act discharge permit · NPDES MOG760174
AVENTURA AT MARYLAND OAKS, Maryland Heights, MO: NPDES MOG760174 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
AVENTURA AT MARYLAND OAKS, held by Aventura at Maryland Oaks LLC, holds NPDES permit MOG760174, which discharges to Tributary To Creve Coeur Cr.. EPA’s file records it issued October 1, 2019 and expiring July 31, 2024. 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 | AVENTURA AT MARYLAND OAKS |
|---|---|
| Permittee as filed | Aventura at Maryland Oaks LLC |
| NPDES ID | MOG760174 |
| 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 | October 1, 2019 |
| Expiration date | July 31, 2024 |
| Address | Maryland Heights, MO 63146 |
| Receiving water | Tributary to Creve Coeur Cr. |
| Subwatershed | Creve Coeur Creek (HUC 103002000703) |
| NAICS | 487110 – Scenic and Sightseeing Transportation, Land |
| SIC | 7999 – Amusement And Recreation |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 8With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 42 | 10 | September 30, 2022 | 49,268% over the limit |
| Report due [yrmoda] | 2 | 6 | 3 | July 31, 2023 | |
| Solids, settleable | 2 | 34 | 2 | September 30, 2020 | 20% over the limit |
| Oxygen, dissolved [DO] | 2 | 32 | 0 | ||
| pH | 2 | 32 | 0 | ||
| Flow, total | 0 | 28 | 0 | ||
| Chloride | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| January 9, 2023 | 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 MOG760174 there.
Nearby on the register
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- Every permit record in Maryland Heights, 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.