NPDES ID: IA0064432
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: 13 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
1950% over limit
Discharged 41 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8790% over limit
Discharged 20.18129863 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
377% over limit
Discharged 41 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
36944% over limit
Discharged 20.18129863 kg/d against a permitted limit of 0.05448 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
1487% over limit
Discharged 2000 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
597% over limit
Discharged 7.91349233 kg/d against a permitted limit of 1.13499999 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27422% over limit
Discharged 12.4949879 kg/d against a permitted limit of 0.0454 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5404% over limit
Discharged 12.4949879 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
989% over limit
Discharged 7.91349233 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1665% over limit
Discharged 30 mg/L against a permitted limit of 1.7 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
249% over limit
Discharged 30 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
57% over limit
Discharged 1.99919806 kg/d against a permitted limit of 1.27119999 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
132% over limit
Discharged 1.99919806 kg/d against a permitted limit of 0.86259999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
12250% over limit
Discharged 12.89634205 kg/d against a permitted limit of 0.10442 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
608% over limit
Discharged 26.2 mg/L against a permitted limit of 3.7 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
117% over limit
Discharged 26.2 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3958% over limit
Discharged 12.89634205 kg/d against a permitted limit of 0.3178 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
11736% over limit
Discharged 13.97166828 kg/d against a permitted limit of 0.11804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3174% over limit
Discharged 13.97166828 kg/d against a permitted limit of 0.42676 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
876% over limit
Discharged 41 mg/L against a permitted limit of 4.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
172% over limit
Discharged 41 mg/L against a permitted limit of 15.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
889% over limit
Discharged 35.6 mg/L against a permitted limit of 3.6 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
19% over limit
Discharged 1.51454399 kg/d against a permitted limit of 1.27119999 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
284% over limit
Discharged 4.35431396 kg/d against a permitted limit of 1.13499999 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
76% over limit
Discharged 1.51454399 kg/d against a permitted limit of 0.86259999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
149% over limit
Discharged 35.6 mg/L against a permitted limit of 14.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1549% over limit
Discharged 6.73972074 kg/d against a permitted limit of 0.4086 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6354% over limit
Discharged 6.73972074 kg/d against a permitted limit of 0.10442 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
499% over limit
Discharged 4.35431396 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
1456% over limit
Discharged 42 mg/L against a permitted limit of 2.7 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
312% over limit
Discharged 42 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1548% over limit
Discharged 1.27221695 kg/d against a permitted limit of 0.07718 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
367% over limit
Discharged 1.27221695 kg/d against a permitted limit of 0.2724 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
295% over limit
Discharged 34 mg/L against a permitted limit of 8.6 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6705% over limit
Discharged 15.44834867 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
6705% over limit
Discharged 15.44834867 kg/d against a permitted limit of 0.227 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
295% over limit
Discharged 34 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
244% over limit
Discharged 2.49899758 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 44 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
18% over limit
Discharged 0.26693838 kg/d against a permitted limit of 0.227 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
120% over limit
Discharged 2.49899758 kg/d against a permitted limit of 1.13499999 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
76% over limit
Discharged 44 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
11% over limit
Discharged 5.32 mg/L against a permitted limit of 4.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 0.20143435 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.6 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 1.13499999 kg/d (7 DA AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 8.6 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 1.27119999 kg/d (7 DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0.86259999 kg/d (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
Nitrogen, ammonia total [as N]
95% over limit
Discharged 0.44300412 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 6.5 mg/L against a permitted limit of 4.4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
388% over limit
Discharged 0.44300412 kg/d against a permitted limit of 0.0908 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
26% over limit
Discharged 0.17114347 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
27% over limit
Discharged 0.23096796 kg/d against a permitted limit of 0.1816 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2% over limit
Discharged 0.23096796 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (DAILY MX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (DAILY MX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (30DA AVG)
DMR, Limited - Overdue
November 30, 2024
Nitrogen, ammonia total [as N]
4% over limit
Discharged 0.23513295 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4% over limit
Discharged 0.23513295 kg/d against a permitted limit of 0.227 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2024
E. coli
170% over limit
Discharged 339.5865 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
165% over limit
Discharged 27 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
260% over limit
Discharged 0.81785375 kg/d against a permitted limit of 0.227 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
190% over limit
Discharged 27 mg/L against a permitted limit of 9.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
200% over limit
Discharged 0.81785375 kg/d against a permitted limit of 0.2724 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
45% over limit
Discharged 0.39378144 kg/d against a permitted limit of 0.2724 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27% over limit
Discharged 13 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
189% over limit
Discharged 0.39378144 kg/d against a permitted limit of 0.1362 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
171% over limit
Discharged 13 mg/L against a permitted limit of 4.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 1.13499999 kg/d (7 DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.1816 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 1.27119999 kg/d (7 DA AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (DAILY MN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.72639999 kg/d (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0.86259999 kg/d (30DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.053 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 7.3 mg/L (DAILY MX)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0908 kg/d (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.3 mg/L (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0014982 kg/d (DAILY MX)
DMR, Limited - Overdue
July 31, 2024
Nitrogen, ammonia total [as N]
11% over limit
Discharged 0.25217157 kg/d against a permitted limit of 0.227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
61% over limit
Discharged 7.4 mg/L against a permitted limit of 4.6 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 0.25217157 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 (23 days ago)