NPDES ID: LA0066702
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: 4 effluent violations, 2 reporting violations.
Violations
June 30, 2026
Solids, total suspended
131% over limit
Discharged 62.4 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
229% over limit
Discharged 32.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
14% over limit
Discharged 30.8 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
571% over limit
Discharged 32.9 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.015 mg/L (DAILY MX)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0061 mg/L (MO AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
192% over limit
Discharged 0.0321 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 40.5 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
364% over limit
Discharged 22.75 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
176% over limit
Discharged 0.0124 mg/L against a permitted limit of 0.0045 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
267% over limit
Discharged 36.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
75% over limit
Discharged 47.2 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
9% over limit
Discharged 5.32 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 6.63 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
3% over limit
Discharged 5.03 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 40 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
4% over limit
Discharged 10.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
39% over limit
Discharged 6.82 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 10.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
50% over limit
Discharged 7.37 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Cyanide, total [as CN]
19% over limit
Discharged 0.0117 mg/L against a permitted limit of 0.0098 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
91% over limit
Discharged 0.00785 mg/L against a permitted limit of 0.0041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 7.25 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
42% over limit
Discharged 0.156 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
322% over limit
Discharged 20.7 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
164% over limit
Discharged 26.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
502% over limit
Discharged 29.5 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
195% over limit
Discharged 29.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
96% over limit
Discharged 9.58 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Cyanide, total [as CN]
184% over limit
Discharged 0.0278 mg/L against a permitted limit of 0.0098 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
p-Cresol
174% over limit
Discharged 0.0384 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phenol
193% over limit
Discharged 0.044 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phenol
140% over limit
Discharged 0.0624 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phenol
135% over limit
Discharged 0.03525 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
207% over limit
Discharged 30.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
p-Cresol
175% over limit
Discharged 0.0688 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
527% over limit
Discharged 30.7 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
561% over limit
Discharged 0.0271 mg/L against a permitted limit of 0.0041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
p-Cresol
172% over limit
Discharged 0.0679 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6% over limit
Discharged 10.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phenol
127% over limit
Discharged 0.0591 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
p-Cresol
141% over limit
Discharged 0.0337 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
19% over limit
Discharged 32 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
58% over limit
Discharged 58.3 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
153% over limit
Discharged 12.4 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 12.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
23% over limit
Discharged 6.01 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
30% over limit
Discharged 35.15 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6% over limit
Discharged 5.21 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
341% over limit
Discharged 44.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
30% over limit
Discharged 35 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
800% over limit
Discharged 44.1 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
143% over limit
Discharged 11.9 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
56% over limit
Discharged 230 mg/L against a permitted limit of 147 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
19% over limit
Discharged 11.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, ammonia total [as N]
16% over limit
Discharged 5.7 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
14% over limit
Discharged 5.57 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
184% over limit
Discharged 13.9 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
39% over limit
Discharged 13.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
205% over limit
Discharged 30.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
404% over limit
Discharged 24.7 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
213% over limit
Discharged 15.35 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 17.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (4 hours ago)