LABADIE WWTF
NPDES ID: MO0114910
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
5434% over limit
Discharged 11400 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
1007% over limit
Discharged 11400 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
2133% over limit
Discharged 4600 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 42 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
347% over limit
Discharged 4600 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
60% over limit
Discharged 48 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, suspended percent removal
149% over limit
Discharged 13 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
9% over limit
Discharged 49 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
63% over limit
Discharged 49 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
14% over limit
Discharged 60 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 61 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 8.93 mg/L against a permitted limit of 8.7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
103% over limit
Discharged 61 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
37% over limit
Discharged 13.53 mg/L against a permitted limit of 9.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
9% over limit
Discharged 13.53 mg/L against a permitted limit of 12.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
11% over limit
Discharged 10.96 mg/L against a permitted limit of 9.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
10% over limit
Discharged 9.46 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
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
E. coli
657% over limit
Discharged 7800 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 9.46 mg/L against a permitted limit of 5.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
3686% over limit
Discharged 7800 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, suspended percent removal
0% over limit
Discharged 96 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Overdue
E. coli
919% over limit
Discharged 2100 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Overdue
E. coli
919% over limit
Discharged 2100 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0216 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.56 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 237 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
E. coli
104% over limit
Discharged 2100 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
E. coli
104% over limit
Discharged 2100 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Oil and grease [soxhlet extr.] tot.
0% over limit
Discharged 1 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 92 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.56 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oil and grease [soxhlet extr.] tot.
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 3.7 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 270 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.016 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2025
Solids, total suspended
17% over limit
Discharged 35 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1890% over limit
Discharged 4100 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
298% over limit
Discharged 4100 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 5 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.046 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oil and grease [soxhlet extr.] tot.
0% over limit
Discharged 1.3 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
20% over limit
Discharged 10.34 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
20% over limit
Discharged 10.34 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 30 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.57 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 30 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.055 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
3881% over limit
Discharged 8200 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Overdue
E. coli
3881% over limit
Discharged 8200 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
0% over limit
Discharged 22 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Oil and grease [soxhlet extr.] tot.
0% over limit
Discharged 1.3 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
257% over limit
Discharged 10.34 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
257% over limit
Discharged 10.34 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
696% over limit
Discharged 8200 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
E. coli
696% over limit
Discharged 8200 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 7.57 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 22 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
June 30, 2025
E. coli
36% over limit
Discharged 1400 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
580% over limit
Discharged 1400 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
0% over limit
Discharged 68 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 72 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 65 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 83 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Overdue
May 31, 2025
E. coli
3686% over limit
Discharged 7800 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
657% over limit
Discharged 7800 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
4% over limit
Discharged 31.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
90% over limit
Discharged 16.31 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
2230% over limit
Discharged 4800 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
366% over limit
Discharged 4800 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
140% over limit
Discharged 16.31 mg/L against a permitted limit of 6.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
170% over limit
Discharged 23.49 mg/L against a permitted limit of 8.7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
11% over limit
Discharged 61 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
37% over limit
Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
126% over limit
Discharged 23.49 mg/L against a permitted limit of 10.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
65% over limit
Discharged 20.48 mg/L against a permitted limit of 12.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 20.48 mg/L against a permitted limit of 9.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
81% over limit
Discharged 10.16 mg/L against a permitted limit of 5.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 36 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
725% over limit
Discharged 1700 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
18% over limit
Discharged 10.16 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
65% over limit
Discharged 1700 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
75% over limit
Discharged 1800 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
98% over limit
Discharged 7.32 mg/L against a permitted limit of 3.7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
774% over limit
Discharged 1800 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
531% over limit
Discharged 1300 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
26% over limit
Discharged 1300 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
July 31, 2024
E. coli
191% over limit
Discharged 600 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
July 13, 2026 (23 days ago)