Clean Water Act discharge permit · NPDES MO0080918
KNOB NOSTER TRAILER PARK WWTF, Knob Noster, MO: NPDES MO0080918 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
KNOB NOSTER TRAILER PARK WWTF, held by Property Solutions 3603 LP, holds NPDES permit MO0080918, which discharges to Tributary To Walnut Cr.. EPA’s file records it issued December 1, 2023 and expiring November 30, 2028. 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 | KNOB NOSTER TRAILER PARK WWTF |
|---|---|
| Permittee as filed | Property Solutions 3603 LP |
| NPDES ID | MO0080918 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 1, 2023 |
| Expiration date | November 30, 2028 |
| Address | Knob Noster, MO 65336 |
| Receiving water | Tributary to Walnut Cr. |
| Subwatershed | Walnut Creek (HUC 103001040305) |
| 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
- 7Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 6With 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] | 8 | 42 | 4 | June 30, 2021 | 421% over the limit |
| Solids, total suspended | 2 | 42 | 4 | June 30, 2021 | 335% over the limit |
| E. coli, colony forming units [CFU] | 0 | 3 | 3 | June 30, 2015 | 412% over the limit |
| E. coli | 2 | 30 | 2 | June 30, 2021 | 648% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 39 | 1 | June 30, 2021 | 33% over the limit |
| pH | 2 | 23 | 1 | June 30, 2018 | |
| Flow, in conduit or thru treatment plant | 2 | 38 | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 25, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 25, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 25, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| June 18, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 29, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| October 1, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 26, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| December 21, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 1, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| February 21, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 21, 2018 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| February 21, 2018 | Permit Violations - Violation Specified in Comment | 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 MO0080918 there.
Nearby on the register
- Discharge permits in Knob Noster
- Every permit record in Knob Noster, 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.