Clean Water Act discharge permit · NPDES MOG760043
CHAONIA LANDING RESORT AND MARINA, Williamsville, MO: NPDES MOG760043 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CHAONIA LANDING RESORT AND MARINA, held by Wayne and Melanie McSwane, holds NPDES permit MOG760043, which discharges to Lake Wappapello. EPA’s file records it issued August 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 | CHAONIA LANDING RESORT AND MARINA |
|---|---|
| Permittee as filed | Wayne and Melanie McSwane |
| NPDES ID | MOG760043 |
| 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 | August 1, 2019 |
| Expiration date | July 31, 2024 |
| Address | Williamsville, MO 63967 |
| Receiving water | Lake Wappapello |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Wappapelo Dam-St Francis River (HUC 080202020508) |
| 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
- 7With 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 | ||
| Solids, settleable | 4 | 4 | 0 | ||
| Chlorine, total residual | 4 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 2 | 0 | ||
| Chloride | 2 | 2 | 0 | ||
| Flow, total | 0 | 2 | 0 | ||
| Report due [yrmoda] | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG760043.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| August 22, 2018 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 5, 2018 | 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.
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 MOG760043 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.