Clean Water Act discharge permit · NPDES MOG760005
DUCK CLUB YACHT CLUB WWTF, St Charles, MO: NPDES MOG760005 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
DUCK CLUB YACHT CLUB WWTF, held by DUCK CLUB CONDOMINIUM ASO, holds NPDES permit MOG760005, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued May 15, 2015 and expiring July 31, 2019. 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 | DUCK CLUB YACHT CLUB WWTF |
|---|---|
| Permittee as filed | DUCK CLUB CONDOMINIUM ASO |
| NPDES ID | MOG760005 |
| 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 | May 15, 2015 |
| Expiration date | July 31, 2019 |
| Issuing agency | MODNR-St. Louis Regional Office |
| Address | St Charles, MO 63301 |
| Receiving water | 8-20-13 MUDD V1.0 |
| Subwatershed | Bolter Island-Mississippi River (HUC 071100090107) |
| 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
- 5Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 2 | 58 | 12 | October 31, 2020 | 20% over the limit |
| Solids, settleable | 2 | 52 | 6 | September 30, 2011 | 2,900% over the limit |
| pH | 2 | 46 | 0 | ||
| Chlorine, total residual | 2 | 46 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 44 | 0 | ||
| Chloride | 0 | 4 | 0 | ||
| Flow, total | 2 | 2 | 0 | ||
| Report due [yrmoda] | 0 | 2 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 2, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 17, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| September 17, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| December 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| January 18, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| March 21, 2017 | Effluent Violations - Numeric effluent violation | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MOG760005.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MOG760005 there.
Nearby on the register
- Discharge permits in St Charles
- Every permit record in St Charles, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.