Clean Water Act discharge permit · NPDES MO0126802
AMAZONIA WWTF, Amazonia, MO: NPDES MO0126802 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
AMAZONIA WWTF, held by City of Amazonia, holds NPDES permit MO0126802, which discharges to Mace Cr.. EPA’s file records it issued July 25, 2017 and expiring July 31, 2022. 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 | AMAZONIA WWTF |
|---|---|
| Permittee as filed | City of Amazonia |
| NPDES ID | MO0126802 |
| 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 | July 25, 2017 |
| Expiration date | July 31, 2022 |
| Address | Amazonia, MO 64421 |
| Receiving water | Mace Cr. |
| Subwatershed | Mace Creek (HUC 102400110102) |
| 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
- 12Pollutants on file
- 11Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 97 | 23 | June 30, 2026 | 320% over the limit |
| BOD, 5-day, percent removal | 1 | 18 | 16 | March 31, 2026 | 186% over the limit |
| E. coli | 2 | 13 | 9 | June 30, 2026 | 444% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 80 | 6 | March 31, 2026 | 30% over the limit |
| Solids, suspended percent removal | 1 | 4 | 2 | September 30, 2025 | 109% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 166 | 0 | ||
| Coliform, fecal, colony forming units | 0 | 136 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 90 | 0 | ||
| pH | 1 | 72 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 3, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| December 19, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| June 24, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| July 18, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| November 29, 2022 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| December 22, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 4, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| May 30, 2017 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 30, 2017 | 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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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 MO0126802 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.