Clean Water Act discharge permit · NPDES MO0039136
CARTHAGE WWTP, Carthage, MO: NPDES MO0039136 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CARTHAGE WWTP, held by City of Carthage, holds NPDES permit MO0039136, which discharges to Spring River. EPA’s file records it issued January 28, 2019 and expiring March 31, 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 | CARTHAGE WWTP |
|---|---|
| Permittee as filed | City of Carthage |
| NPDES ID | MO0039136 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 28, 2019 |
| Expiration date | March 31, 2023 |
| Address | Carthage, MO 64836 |
| Receiving water | Spring River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Carthage-Spring River (HUC 110702070505) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 32Pollutants on file
- 26Under a numeric limit
- 21With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Oil and grease [soxhlet extr.] tot. | 2 | 95 | 9 | February 28, 2022 | 205% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 15 | 7 | July 31, 2025 | 627% over the limit |
| Cyanide, free [amenable to chlorination] | 4 | 4 | 2 | June 30, 2014 | 24% over the limit |
| Solids, total suspended | 2 | 73 | 1 | July 31, 2020 | 7% over the limit |
| pH | 2 | 57 | 1 | February 28, 2013 | |
| CBOD5+NH3-N | 0 | 44 | 1 | February 28, 2011 | 7% over the limit |
| Lead, total recoverable | 2 | 7 | 1 | June 30, 2018 | 14% over the limit |
| Coliform, fecal general | 0 | 1 | 1 | August 31, 2011 | 86% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 64 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 58 | 0 | ||
| Silver total recoverable | 2 | 6 | 0 | ||
| Zinc, total recoverable | 2 | 6 | 0 | ||
| Cadmium, total recoverable | 2 | 6 | 0 | ||
| Copper, total recoverable | 2 | 6 | 0 | ||
| Chromium, trivalent total recoverable | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 2 | 6 | 0 | ||
| Nickel, total [as Ni] | 0 | 6 | 0 | ||
| Chromium, hexavalent tot recoverable | 0 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Thallium, total recoverable | 2 | 0 | 0 | ||
| Nickel, total recoverable | 2 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| BOD, carbonaceous, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 21, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 24, 2022 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| May 16, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| January 25, 2018 | Pretreatment - Failure to Develop/Enforce Standards | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.