ST JOHN THE BAPTIST PARISH - WALLACE WWTP
NPDES ID: LA0099759
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: 2 effluent violations.
Violations
May 31, 2026
Solids, total suspended
36% over limit
Discharged 20.97479982 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
53% over limit
Discharged 23.6533998 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
37% over limit
Discharged 41 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
44% over limit
Discharged 65 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 17.43359985 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
144% over limit
Discharged 110 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
227% over limit
Discharged 98 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
41% over limit
Discharged 21.79199982 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
60% over limit
Discharged 48 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
62% over limit
Discharged 73 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
38% over limit
Discharged 21.24719982 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
115% over limit
Discharged 33.14199972 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
49% over limit
Discharged 67 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
81% over limit
Discharged 27.92099977 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
2797% over limit
Discharged 447.14459624 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 47 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
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
BOD, 5-day, 20 deg. C
1332% over limit
Discharged 221.05259814 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
124% over limit
Discharged 101 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
133% over limit
Discharged 70 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, 20 deg. C
241% over limit
Discharged 52.57319956 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
422% over limit
Discharged 80.53959932 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
241% over limit
Discharged 52.57319956 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
9% over limit
Discharged 16.75259986 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
134% over limit
Discharged 36.1837997 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
113% over limit
Discharged 32.86959972 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
110% over limit
Discharged 32.37019973 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
9% over limit
Discharged 16.84339986 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
BOD, 5-day, 20 deg. C
201% over limit
Discharged 46.48959961 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
252% over limit
Discharged 54.38919954 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
146% over limit
Discharged 37.99979968 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
69% over limit
Discharged 26.10499978 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, total suspended
84% over limit
Discharged 28.42039976 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
95% over limit
Discharged 30.05479975 kg/d against a permitted limit of 15.43599987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)