Clean Water Act discharge permit · NPDES MO0125831
PURDIN WWTF, Purdin, MO: NPDES MO0125831 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PURDIN WWTF, held by City of Purdin, holds NPDES permit MO0125831, which discharges to Tributary To Locust Cr.. EPA’s file records it issued September 6, 2019 and expiring March 31, 2023. 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 | PURDIN WWTF |
|---|---|
| Permittee as filed | City of Purdin |
| NPDES ID | MO0125831 |
| 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 | September 6, 2019 |
| Expiration date | March 31, 2023 |
| Address | Purdin, MO 64674 |
| Receiving water | Tributary to Locust Cr. |
| Subwatershed | Kemper Branch-Locust Creek (HUC 102801030903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 5With 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 | 2 | 17 | 3 | September 30, 2020 | |
| BOD, 5-day, percent removal | 1 | 10 | 3 | September 30, 2021 | 186% over the limit |
| Solids, total suspended | 3 | 23 | 2 | April 30, 2016 | 10% over the limit |
| Solids, suspended percent removal | 1 | 9 | 2 | September 30, 2020 | 186% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 22 | 1 | March 31, 2021 | 1% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 14 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 14 | 0 | ||
| E. coli | 2 | 12 | 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
- 22Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 12, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 12, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| September 12, 2025 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| June 27, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 28, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 27, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 27, 2024 | Reporting Violations - Failure to Submit DMRs | 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 29, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 29, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| December 29, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 29, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 29, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 27, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 27, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| February 27, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| February 27, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 27, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| February 27, 2018 | Management Practice Violations - Improper Operation and Maintenance | 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 MO0125831 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.