Clean Water Act discharge permit · NPDES MO0051144
PERRYVILLE SE WWTP, Perryville, MO: NPDES MO0051144 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 34Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
PERRYVILLE SE WWTP, held by City of Perryville, holds NPDES permit MO0051144, which discharges to Cinque Hommes Cr.. EPA’s file records it issued July 1, 2024 and expiring June 30, 2029. 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 | PERRYVILLE SE WWTP |
|---|---|
| Permittee as filed | City of Perryville |
| NPDES ID | MO0051144 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 1, 2024 |
| Expiration date | June 30, 2029 |
| Address | Perryville, MO 63775 |
| Receiving water | Cinque Hommes Cr. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cinque Hommes Creek (HUC 071401050305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 43Pollutants on file
- 34Under a numeric limit
- 26With 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] | 22 | 20 | 16 | April 30, 2024 | 226% over the limit |
| Coliform, fecal general | 0 | 16 | 10 | October 31, 2014 | 2,620% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 5 | 5 | March 31, 2015 | 505% over the limit |
| E. coli | 2 | 8 | 4 | June 30, 2023 | 135% over the limit |
| Solids, total suspended | 3 | 12 | 3 | February 28, 2015 | 194% over the limit |
| CBOD5+NH3-N | 0 | 164 | 2 | February 28, 2015 | 294% over the limit |
| pH | 2 | 9 | 1 | September 30, 2020 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 9 | 1 | February 28, 2011 | 39% over the limit |
| BOD, carbonaceous, percent removal | 1 | 1 | 1 | December 31, 2022 | 36% over the limit |
| Phosphorus, total [as P] | 4 | 30 | 0 | ||
| Nitrogen, total [as N] | 2 | 30 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 20 | 0 | ||
| Zinc, total recoverable | 2 | 20 | 0 | ||
| Aluminum, total recoverable | 2 | 20 | 0 | ||
| Lead, total recoverable | 2 | 20 | 0 | ||
| Copper, total recoverable | 2 | 20 | 0 | ||
| Nickel, total recoverable | 0 | 20 | 0 | ||
| Silver total recoverable | 0 | 20 | 0 | ||
| Cadmium, total recoverable | 0 | 20 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 0 | 20 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 20 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Sulfate, total [as SO4] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Cobalt, total recoverable | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Thallium, total recoverable | 2 | 0 | 0 | ||
| Boron, total recoverable | 2 | 0 | 0 | ||
| Phenol | 2 | 0 | 0 | ||
| p-Cresol | 2 | 0 | 0 | ||
| Benzoic acids, total | 2 | 0 | 0 | ||
| .alpha.-Terpineol | 2 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 5 C] | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 5, 2026 | 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.