Clean Water Act discharge permit · NPDES MO0100382
PATTONSBURG WWTP, Pattonsburg, MO: NPDES MO0100382 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
PATTONSBURG WWTP, held by City of Pattonsburg, holds NPDES permit MO0100382, which discharges to Sampson Cr.. EPA’s file records it issued November 16, 2016 and expiring September 30, 2021. 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 | PATTONSBURG WWTP |
|---|---|
| Permittee as filed | City of Pattonsburg |
| NPDES ID | MO0100382 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 16, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Pattonsburg, MO 64670 |
| Receiving water | Sampson Cr. |
| Subwatershed | Sampson Creek (HUC 102801010806) |
| SIC | 4952 – Sewerage Systems |
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
- 11Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| E. coli | 4 | 26 | 10 | June 30, 2026 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 36 | 4 | December 31, 2013 | 36% over the limit |
| BOD, 5-day, percent removal | 0 | 8 | 1 | December 31, 2021 | 63% over the limit |
| pH | 1 | 33 | 0 | ||
| Solids, total suspended | 3 | 32 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 22 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Solids, suspended percent removal | 0 | 7 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 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
- 16Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 24, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 24, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 24, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 27, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 27, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 27, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 27, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| August 2, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 28, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| March 31, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 19, 2019 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 19, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| July 19, 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
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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 MO0100382 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.