Clean Water Act discharge permit · NPDES MO0043648
POPLAR BLUFF MUNICIPAL WWTP, Poplar Bluff, MO: NPDES MO0043648 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
POPLAR BLUFF MUNICIPAL WWTP, held by City of Poplar Bluff, holds NPDES permit MO0043648, which discharges to Pike Cr.. EPA’s file records it issued October 1, 2020 and expiring September 30, 2024. 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 | POPLAR BLUFF MUNICIPAL WWTP |
|---|---|
| Permittee as filed | City of Poplar Bluff |
| NPDES ID | MO0043648 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 1, 2020 |
| Expiration date | September 30, 2024 |
| Address | Poplar Bluff, MO 63901 |
| Receiving water | Pike Cr. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cane Creek-Black River (HUC 110100070907) |
| Program components on file | 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
- 30Pollutants on file
- 20Under a numeric limit
- 29With a violation of any kind
- 9With 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] | 26 | 72 | 56 | July 31, 2023 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 55 | 43 | May 31, 2018 | 98% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 68 | 16 | May 31, 2014 | 559% over the limit |
| Solids, total suspended | 5 | 116 | 10 | June 30, 2014 | 70% over the limit |
| BOD, 5-day, percent removal | 1 | 6 | 6 | January 31, 2024 | 113% over the limit |
| Solids, suspended percent removal | 1 | 6 | 6 | January 31, 2024 | 53% over the limit |
| pH | 6 | 125 | 4 | January 31, 2024 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 16 | 4 | June 30, 2018 | 99,999% over the limit |
| E. coli | 2 | 1 | 1 | October 31, 2021 | 26% over the limit |
| Copper, total recoverable | 2 | 36 | 0 | ||
| Temperature, water deg. centigrade | 6 | 16 | 0 | ||
| Oxygen, dissolved [DO] | 6 | 16 | 0 | ||
| Cyanide, free [amenable to chlorination] | 4 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Phosphorus, total [as P] | 4 | 6 | 0 | ||
| Silver total recoverable | 2 | 4 | 0 | ||
| Cadmium, total recoverable | 2 | 4 | 0 | ||
| Lead, total recoverable | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Arsenic, total recoverable | 0 | 4 | 0 | ||
| Nickel, total recoverable | 0 | 4 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 4 | 0 | ||
| Mercury, total recoverable | 0 | 4 | 0 | ||
| Chromium, hexavalent tot recoverable | 0 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 2 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0043648.
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 MO0043648 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.