Clean Water Act discharge permit · NPDES MO0052051
SUNSET VALLEY PARK WWTF, Marshfield, MO: NPDES MO0052051 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SUNSET VALLEY PARK WWTF, held by Mr. Robert K. Hawkins, holds NPDES permit MO0052051, which discharges to Tributary To W. Fk. Niangua R.. EPA’s file records it issued October 12, 2018 and expiring September 30, 2023. 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 | SUNSET VALLEY PARK WWTF |
|---|---|
| Permittee as filed | Mr. Robert K. Hawkins |
| NPDES ID | MO0052051 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 12, 2018 |
| Expiration date | September 30, 2023 |
| Address | Marshfield, MO 65706 |
| Receiving water | Tributary to W. Fk. Niangua R. |
| Subwatershed | Headwaters Niangua River (HUC 102901100101) |
| SIC | 6515 – Mobile Home Site Operators |
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
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 30 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 30 | 0 | ||
| Solids, total suspended | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| pH | 2 | 28 | 0 | ||
| E. coli | 2 | 12 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0052051.
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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 11, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| March 11, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 26, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 21, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 21, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 26, 2021 | 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 MO0052051 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.