MAGNOLIA WATER UTILITY OPERATING CO., LLC - TERREBONNE SEWERAGE SYSTEM
NPDES ID: LA0113255
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: 18 effluent violations.
Violations
June 30, 2026
BOD, 5-day, 20 deg. C
1607% over limit
Discharged 129.38545891 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1602% over limit
Discharged 193.12251838 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
107% over limit
Discharged 31 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
230% over limit
Discharged 76 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
210% over limit
Discharged 31 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
235% over limit
Discharged 50.22 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
BOD, 5-day, 20 deg. C
115% over limit
Discharged 21.48 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 22 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1009% over limit
Discharged 125.82155894 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
231% over limit
Discharged 49.67 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
187% over limit
Discharged 66 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
432% over limit
Discharged 40.35151966 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
352% over limit
Discharged 45.22 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
396% over limit
Discharged 74.35 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
273% over limit
Discharged 56 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
83% over limit
Discharged 13.90601988 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 21.51051982 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
383% over limit
Discharged 111 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
50% over limit
Discharged 15 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
65% over limit
Discharged 38 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
8% over limit
Discharged 8.17199993 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 28 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
488% over limit
Discharged 66.73799944 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
738% over limit
Discharged 63.55999947 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
70% over limit
Discharged 17 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
113% over limit
Discharged 49 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
140% over limit
Discharged 36 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
52% over limit
Discharged 35 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
27% over limit
Discharged 12.73 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
86% over limit
Discharged 27.88 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
13% over limit
Discharged 12.87543989 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
60% over limit
Discharged 24 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
191% over limit
Discharged 43.71 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
135% over limit
Discharged 54 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
10% over limit
Discharged 8.31273993 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
78% over limit
Discharged 17.76 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
120% over limit
Discharged 33 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
52% over limit
Discharged 15.17 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
70% over limit
Discharged 39 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 13.43839989 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
12% over limit
Discharged 12.76193989 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
131% over limit
Discharged 34.6 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
140% over limit
Discharged 24 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
24% over limit
Discharged 9.38417992 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
73% over limit
Discharged 26 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
117% over limit
Discharged 50 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
93% over limit
Discharged 29 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 12.2579999 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 15 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 34 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, 5-day, 20 deg. C
56% over limit
Discharged 11.8039999 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
94% over limit
Discharged 19.4 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
127% over limit
Discharged 34 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
61% over limit
Discharged 37 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
47% over limit
Discharged 22 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 25 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, 5-day, 20 deg. C
2% over limit
Discharged 10.16 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 12.1081799 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
26% over limit
Discharged 29 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
41% over limit
Discharged 21.15 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
191% over limit
Discharged 67 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
234% over limit
Discharged 50.11 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
57% over limit
Discharged 17.80133985 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
91% over limit
Discharged 44 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
24% over limit
Discharged 9.39325992 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 21.53321982 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
13% over limit
Discharged 11.33 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
158% over limit
Discharged 38.63 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
13% over limit
Discharged 17 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
0% over limit
Discharged 10.01 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 33.05 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
57% over limit
Discharged 36 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 14.51437988 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
70% over limit
Discharged 19.33585984 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 46 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
85% over limit
Discharged 27.69 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
22% over limit
Discharged 18.37 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
15% over limit
Discharged 11.46 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 25 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
100% over limit
Discharged 46 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
104% over limit
Discharged 30.63 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 14.40087988 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
40% over limit
Discharged 14.02 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
BOD, 5-day, 20 deg. C
112% over limit
Discharged 21.15 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
133% over limit
Discharged 26.44549978 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
192% over limit
Discharged 43.78 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 22 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
135% over limit
Discharged 54 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
25% over limit
Discharged 9.48859992 kg/d against a permitted limit of 7.58179994 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
152% over limit
Discharged 58 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
203% over limit
Discharged 45.41 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
44% over limit
Discharged 16.31675986 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total suspended
70% over limit
Discharged 39 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 28 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 34 mg/L against a permitted limit of 23 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)