AMAZONIA WWTF

NPDES ID: MO0126802

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 3 effluent violations, 4 permit schedule violations.

Violations

June 30, 2026

Solids, total suspended

57% over limit

Discharged 47 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli

50% over limit

Discharged 309 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

Solids, total suspended

4% over limit

Discharged 47 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, percent removal

70% over limit

Discharged 40.6 % against a permitted limit of 65 % (MO AV MN)

DMR, Limited - Numeric Violation

Solids, total suspended

217% over limit

Discharged 95 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

27% over limit

Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

111% over limit

Discharged 95 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

September 30, 2025

Solids, total suspended

180% over limit

Discharged 126 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

E. coli

2% over limit

Discharged 1050 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

Solids, total suspended

320% over limit

Discharged 126 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

E. coli

410% over limit

Discharged 1050 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

Solids, suspended percent removal

10% over limit

Discharged 61.46 % against a permitted limit of 65 % (MO AV MN)

DMR, Limited - Numeric Violation

June 30, 2025

BOD, 5-day, percent removal

57% over limit

Discharged 45 % against a permitted limit of 65 % (MO AV MN)

DMR, Limited - Numeric Violation

E. coli

50% over limit

Discharged 308 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

December 31, 2024

E. coli

233% over limit

Discharged 687 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

30% over limit

Discharged 39 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

13% over limit

Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

E. coli

444% over limit

Discharged 1120 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

E. coli

9% over limit

Discharged 1120 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

BOD, 5-day, percent removal

122% over limit

Discharged 22.22 % against a permitted limit of 65 % (MO AV MN)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

17% over limit

Discharged 35 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 16, 2026 (20 hours ago)