NPDES ID: IA0068004
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: 6 effluent violations.
Violations
May 31, 2026
Oxygen, dissolved [DO]
43% over limit
Discharged 2.83 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 2.1 mg/L against a permitted limit of 1.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Oxygen, dissolved [DO]
40% over limit
Discharged 3.02 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
E. coli
6% over limit
Discharged 133.4762 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
76% over limit
Discharged 3.7 mg/L against a permitted limit of 2.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 0.48465725 kg/d against a permitted limit of 0.3178 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
18948% over limit
Discharged 24000 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
438% over limit
Discharged 21 mg/L against a permitted limit of 3.9 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
378% over limit
Discharged 2.60449991 kg/d against a permitted limit of 0.5448 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
34% over limit
Discharged 3.3 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
378% over limit
Discharged 2.60449991 kg/d against a permitted limit of 0.5448 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
438% over limit
Discharged 21 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 46 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
112% over limit
Discharged 7.60756898 kg/d against a permitted limit of 3.59567997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
245% over limit
Discharged 20 mg/L against a permitted limit of 5.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
305% over limit
Discharged 3.30763922 kg/d against a permitted limit of 0.81719999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
84% over limit
Discharged 46 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
138% over limit
Discharged 20 mg/L against a permitted limit of 8.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
170% over limit
Discharged 3.30763922 kg/d against a permitted limit of 1.22579999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
32% over limit
Discharged 7.60756898 kg/d against a permitted limit of 5.75217995 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
44% over limit
Discharged 2.78 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
246% over limit
Discharged 18 mg/L against a permitted limit of 5.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
229% over limit
Discharged 2.39063913 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
36% over limit
Discharged 3.19 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
285% over limit
Discharged 15 mg/L against a permitted limit of 3.9 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
176% over limit
Discharged 1.50385592 kg/d against a permitted limit of 0.5448 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
176% over limit
Discharged 1.50385592 kg/d against a permitted limit of 0.5448 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
285% over limit
Discharged 15 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
21% over limit
Discharged 3.97 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
October 31, 2025
Oxygen, dissolved [DO]
57% over limit
Discharged 2.14 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
September 30, 2025
Oxygen, dissolved [DO]
47% over limit
Discharged 2.65 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
67% over limit
Discharged 2.5 mg/L against a permitted limit of 1.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
92% over limit
Discharged 241.9317 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
August 31, 2025
Oxygen, dissolved [DO]
53% over limit
Discharged 2.36 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
173% over limit
Discharged 0.37207933 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
400% over limit
Discharged 5 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
1567% over limit
Discharged 2100 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2% over limit
Discharged 0.37207933 kg/d against a permitted limit of 0.3632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 5 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Oxygen, dissolved [DO]
51% over limit
Discharged 2.45 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
497% over limit
Discharged 0.8125247 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
244% over limit
Discharged 11 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
900% over limit
Discharged 11 mg/L against a permitted limit of 1.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 0.8125247 kg/d against a permitted limit of 0.454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
7678% over limit
Discharged 9800 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
36% over limit
Discharged 0.24730787 kg/d against a permitted limit of 0.1816 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
50% over limit
Discharged 2.48 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
E. coli
48% over limit
Discharged 187.0357 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
162% over limit
Discharged 3.4 mg/L against a permitted limit of 1.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6% over limit
Discharged 3.4 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Oxygen, dissolved [DO]
37% over limit
Discharged 3.17 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
83% over limit
Discharged 3.3 mg/L against a permitted limit of 1.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 3.3 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
177% over limit
Discharged 13 mg/L against a permitted limit of 4.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
519% over limit
Discharged 13 mg/L against a permitted limit of 2.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
490% over limit
Discharged 23 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
7837% over limit
Discharged 10000 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
18% over limit
Discharged 4.1 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
490% over limit
Discharged 23 mg/L against a permitted limit of 3.9 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Oxygen, dissolved [DO]
7% over limit
Discharged 4.65 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
48% over limit
Discharged 37 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
46% over limit
Discharged 29 mg/L against a permitted limit of 19.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
34% over limit
Discharged 3.29 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 30 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
458% over limit
Discharged 29 mg/L against a permitted limit of 5.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
977% over limit
Discharged 42 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
977% over limit
Discharged 42 mg/L against a permitted limit of 3.9 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
627% over limit
Discharged 3.95872833 kg/d against a permitted limit of 0.5448 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
627% over limit
Discharged 3.95872833 kg/d against a permitted limit of 0.5448 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
25% over limit
Discharged 3.76 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
November 30, 2024
Oxygen, dissolved [DO]
58% over limit
Discharged 2.11 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
503% over limit
Discharged 2.19046418 kg/d against a permitted limit of 0.3632 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1159% over limit
Discharged 34 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1159% over limit
Discharged 34 mg/L against a permitted limit of 2.7 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
503% over limit
Discharged 2.19046418 kg/d against a permitted limit of 0.3632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
1056% over limit
Discharged 31.2 mg/L against a permitted limit of 2.7 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
18948% over limit
Discharged 24000 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
446% over limit
Discharged 1.98320228 kg/d against a permitted limit of 0.3632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
80% over limit
Discharged 0.99 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1056% over limit
Discharged 31.2 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
446% over limit
Discharged 1.98320228 kg/d against a permitted limit of 0.3632 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
333% over limit
Discharged 1.57437574 kg/d against a permitted limit of 0.3632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1527% over limit
Discharged 24.4 mg/L against a permitted limit of 1.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
85% over limit
Discharged 0.74 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
804% over limit
Discharged 24.4 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
594% over limit
Discharged 1.57437574 kg/d against a permitted limit of 0.227 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
825% over limit
Discharged 1.25921802 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
80% over limit
Discharged 0.98 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
247% over limit
Discharged 1.25921802 kg/d against a permitted limit of 0.3632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
244% over limit
Discharged 434.0506 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2160% over limit
Discharged 22.6 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
737% over limit
Discharged 22.6 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
625% over limit
Discharged 23.2 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
83% over limit
Discharged 0.87 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2009% over limit
Discharged 23.2 mg/L against a permitted limit of 1.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
162% over limit
Discharged 1.19011831 kg/d against a permitted limit of 0.454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
774% over limit
Discharged 1.19011831 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (22 days ago)