PUXICO WWTF
NPDES ID: MO0055158
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: 7 effluent violations.
Violations
May 31, 2026
E. coli
9% over limit
Discharged 1120 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
33% over limit
Discharged 33.2 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
135% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
447% over limit
Discharged 1125.965 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
244% over limit
Discharged 3.44 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
66% over limit
Discharged 33.2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
6% over limit
Discharged 2.23 mg/L against a permitted limit of 2.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
3% over limit
Discharged 25.7 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 25.7 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
57% over limit
Discharged 3.3 mg/L against a permitted limit of 2.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, percent removal
233% over limit
Discharged 50 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli
135% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
965% over limit
Discharged 2194.49 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
14% over limit
Discharged 235.67 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
201% over limit
Discharged 620.574 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
37% over limit
Discharged 1410 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
213% over limit
Discharged 12.5 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1150% over limit
Discharged 12.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
93% over limit
Discharged 1990 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
15% over limit
Discharged 23 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
180% over limit
Discharged 11.2 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1020% over limit
Discharged 11.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
186% over limit
Discharged 2.86 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, percent removal
140% over limit
Discharged 64 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
72% over limit
Discharged 34.315592 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
37% over limit
Discharged 34.3 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
12% over limit
Discharged 230.2788 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
37% over limit
Discharged 281.7736 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)