Clean Water Act discharge permit · NPDES MOGD00365
MCARTHY HOMESITES #2 WWTF, Fenton, MO: NPDES MOGD00365 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MCARTHY HOMESITES #2 WWTF, held by Mei Hang Hsu, holds NPDES permit MOGD00365, which discharges to Tributary To Sugar Cr.. EPA’s file records it issued September 1, 2018 and expiring June 30, 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 | MCARTHY HOMESITES #2 WWTF |
|---|---|
| Permittee as filed | Mei Hang Hsu |
| NPDES ID | MOGD00365 |
| 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 | September 1, 2018 |
| Expiration date | June 30, 2019 |
| Address | Fenton, MO 63026 |
| Receiving water | Tributary to Sugar Cr. |
| Subwatershed | Sugar Creek-Meramec River (HUC 071401021003) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 31 | 11 | March 31, 2024 | 3,023% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 21 | 1 | June 30, 2022 | 20% over the limit |
| Oxygen, dissolved [DO] | 2 | 20 | 0 | ||
| pH | 2 | 20 | 0 | ||
| Solids, total suspended | 2 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Chlorine, total residual | 2 | 20 | 0 | ||
| E. coli | 2 | 20 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 29, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 13, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| May 12, 2023 | Permit Violations - Unapproved Operation | ST6 |
| May 12, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| April 4, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| July 15, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 6, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
| September 6, 2019 | 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, MOGD00365.
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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 MOGD00365 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.