Clean Water Act discharge permit · NPDES MOG640120
MEMPHIS WATER TREATMENT PLANT, Memphis, MO: NPDES MOG640120 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 21Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MEMPHIS WATER TREATMENT PLANT, held by City of Memphis, holds NPDES permit MOG640120, which discharges to Tributary To N. Fabius R.. EPA’s file records it issued November 1, 2024 and expiring February 24, 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 | MEMPHIS WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | City of Memphis |
| NPDES ID | MOG640120 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2024 |
| Expiration date | February 24, 2029 |
| Address | Memphis, MO 63555 |
| Receiving water | Tributary to N. Fabius R. |
| Subwatershed | Memphis Reservoir-North Fabius River (HUC 071100020108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 21Under a numeric limit
- 22With a violation of any kind
- 0With 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 | 3 | 54 | 0 | ||
| Solids, settleable | 2 | 48 | 0 | ||
| Chlorine, total residual | 2 | 48 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 46 | 0 | ||
| Phosphorus, total [as P] | 2 | 34 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 12 | 0 | ||
| Sodium, total [as Na] | 2 | 12 | 0 | ||
| Chloride [as Cl] | 2 | 12 | 0 | ||
| Arsenic, total [as As] | 2 | 12 | 0 | ||
| Cadmium, total [as Cd] | 2 | 12 | 0 | ||
| Chromium, total [as Cr] | 2 | 12 | 0 | ||
| Copper, total [as Cu] | 2 | 12 | 0 | ||
| Molybdenum, total [as Mo] | 2 | 12 | 0 | ||
| Nickel, total [as Ni] | 2 | 12 | 0 | ||
| Zinc, total [as Zn] | 2 | 12 | 0 | ||
| Aluminum, total [as Al] | 2 | 12 | 0 | ||
| Selenium, total [as Se] | 2 | 12 | 0 | ||
| Mercury, total [as Hg] | 2 | 12 | 0 | ||
| Total production - mass | 2 | 10 | 0 | ||
| Lead, total [as Pb] | 2 | 10 | 0 | ||
| Report due [yrmoda] | 1 | 5 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG640120.
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
- 20Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 10, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| July 29, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| July 29, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 24, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 24, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| December 30, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 4, 2024 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| November 4, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 4, 2024 | Permit Violations - Unapproved Operation | ST6 |
| June 28, 2024 | Permit Violations - Unapproved Operation | ST6 |
| June 28, 2024 | Reporting Violations - Improper/ Incorrect Reporting | 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 |
| March 31, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| May 16, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MOG640120 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.