MANTENO MHP STP
NPDES ID: IL0038199
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: 21 effluent violations.
Violations
May 31, 2026
Oxygen, dissolved [DO]
17% over limit
Discharged 5.19 mg/L against a permitted limit of 6.25 mg/L (MN WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 6.88 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
70% over limit
Discharged 2.69948398 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
55% over limit
Discharged 31 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
767% over limit
Discharged 104 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
149% over limit
Discharged 0.59927999 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
375% over limit
Discharged 9.05684592 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
333% over limit
Discharged 104 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
137% over limit
Discharged 9.05684592 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
359% over limit
Discharged 6.88 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
210% over limit
Discharged 31 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
35% over limit
Discharged 27 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
607% over limit
Discharged 10.6 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
108% over limit
Discharged 10.6 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 0.92298199 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
92% over limit
Discharged 3.65742397 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
48% over limit
Discharged 2.35126598 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
250% over limit
Discharged 42 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
284% over limit
Discharged 0.92298199 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
170% over limit
Discharged 27 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
75% over limit
Discharged 42 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
28% over limit
Discharged 1.04510799 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
400% over limit
Discharged 12 mg/L against a permitted limit of 2.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
174% over limit
Discharged 1.04510799 kg/d against a permitted limit of 0.38136 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
140% over limit
Discharged 12 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
197% over limit
Discharged 5.66047195 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
171% over limit
Discharged 65 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
32% over limit
Discharged 6.6 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 28 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
65% over limit
Discharged 6.6 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
180% over limit
Discharged 28 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
53% over limit
Discharged 2.43843398 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
442% over limit
Discharged 65 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 5.66047195 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
25% over limit
Discharged 4.98 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 3.48354197 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
67% over limit
Discharged 40 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
5% over limit
Discharged 21 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
110% over limit
Discharged 21 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 1.82871198 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
233% over limit
Discharged 40 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
25% over limit
Discharged 25 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
168% over limit
Discharged 10.7 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
119% over limit
Discharged 4.17997796 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
14% over limit
Discharged 0.93160799 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
300% over limit
Discharged 48 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
37% over limit
Discharged 2.17738398 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
114% over limit
Discharged 10.7 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 0.93160799 kg/d against a permitted limit of 0.63559999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
150% over limit
Discharged 25 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 48 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 4.17997796 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, carbonaceous [5 day, 20 C]
64% over limit
Discharged 2.61276998 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
357% over limit
Discharged 8.70862793 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 30 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 1.01014999 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
317% over limit
Discharged 100 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
733% over limit
Discharged 100 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
128% over limit
Discharged 8.70862793 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
59% over limit
Discharged 1.01014999 kg/d against a permitted limit of 0.63559999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
200% over limit
Discharged 30 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
132% over limit
Discharged 11.6 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
190% over limit
Discharged 11.6 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
100% over limit
Discharged 20 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
145% over limit
Discharged 0.589292 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1040% over limit
Discharged 17.1 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 30 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
235% over limit
Discharged 17.1 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
150% over limit
Discharged 30 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
501% over limit
Discharged 9.02 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
90% over limit
Discharged 19 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 1.65482999 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
77% over limit
Discharged 9.02 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
226% over limit
Discharged 0.78541999 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
24% over limit
Discharged 0.78541999 kg/d against a permitted limit of 0.63559999 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 1.65482999 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 2.00304798 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
501% over limit
Discharged 9.02 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
126% over limit
Discharged 9.02 mg/L against a permitted limit of 4 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
90% over limit
Discharged 19 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
92% over limit
Discharged 23 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
77% over limit
Discharged 9.02 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
226% over limit
Discharged 0.78541999 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
217% over limit
Discharged 38 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
58% over limit
Discharged 38 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
74% over limit
Discharged 3.30920597 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
227% over limit
Discharged 0.78632799 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 30 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
502% over limit
Discharged 9.03 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
126% over limit
Discharged 9.03 mg/L against a permitted limit of 4 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 0.78632799 kg/d against a permitted limit of 0.63559999 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
77% over limit
Discharged 9.03 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
37% over limit
Discharged 2.61276998 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
150% over limit
Discharged 30 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, carbonaceous [5 day, 20 C]
42% over limit
Discharged 2.26409798 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 6.09585795 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
192% over limit
Discharged 70 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
220% over limit
Discharged 6.09585795 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
160% over limit
Discharged 26 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
483% over limit
Discharged 70 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 26 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
171% over limit
Discharged 4.06 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 0.353212 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
75% over limit
Discharged 21 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
8% over limit
Discharged 13 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
65% over limit
Discharged 3.97 mg/L against a permitted limit of 2.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
83% over limit
Discharged 22 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
38% over limit
Discharged 6.88 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
60% over limit
Discharged 16 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 1.91587998 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 6.88 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
84% over limit
Discharged 7.35 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
100% over limit
Discharged 40 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 7.35 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
119% over limit
Discharged 3.48354197 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
247% over limit
Discharged 13.23727789 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
533% over limit
Discharged 152 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1% over limit
Discharged 0.64013999 kg/d against a permitted limit of 0.63559999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 3.48354197 kg/d against a permitted limit of 3.178 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
300% over limit
Discharged 40 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1167% over limit
Discharged 152 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
594% over limit
Discharged 13.23727789 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Oxygen, dissolved [DO]
23% over limit
Discharged 4.21 mg/L against a permitted limit of 5.5 mg/L (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
175% over limit
Discharged 33 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
158% over limit
Discharged 12.9 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
38% over limit
Discharged 33 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
37% over limit
Discharged 1.12319599 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
51% over limit
Discharged 2.87381998 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
6% over limit
Discharged 4.21 mg/L against a permitted limit of 4.5 mg/L (MN WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
35% over limit
Discharged 27 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
170% over limit
Discharged 27 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
223% over limit
Discharged 12.9 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
77% over limit
Discharged 1.12319599 kg/d against a permitted limit of 0.63559999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
48% over limit
Discharged 2.35126598 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
250% over limit
Discharged 84 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 3.49852397 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
600% over limit
Discharged 84 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
194% over limit
Discharged 14.7 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
70% over limit
Discharged 17 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
268% over limit
Discharged 14.7 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
217% over limit
Discharged 38 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
239% over limit
Discharged 17.3 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
58% over limit
Discharged 38 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 0.498038 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1053% over limit
Discharged 17.3 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total suspended
275% over limit
Discharged 45 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
42% over limit
Discharged 2.26409798 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
13% over limit
Discharged 4.81 mg/L against a permitted limit of 5.5 mg/L (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
160% over limit
Discharged 26 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
598% over limit
Discharged 1.68070799 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1187% over limit
Discharged 19.3 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
88% over limit
Discharged 45 mg/L against a permitted limit of 24 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
106% over limit
Discharged 1.68070799 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
278% over limit
Discharged 19.3 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 26 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 3.91892797 kg/d against a permitted limit of 3.8136 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
106% over limit
Discharged 3.91892797 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
98% over limit
Discharged 1.61987199 kg/d against a permitted limit of 0.81719999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
37% over limit
Discharged 2.17738398 kg/d against a permitted limit of 1.589 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
365% over limit
Discharged 18.6 mg/L against a permitted limit of 4 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
8% over limit
Discharged 5.05 mg/L against a permitted limit of 5.5 mg/L (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
25% over limit
Discharged 25 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
573% over limit
Discharged 1.61987199 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
155% over limit
Discharged 1.61987199 kg/d against a permitted limit of 0.63559999 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
150% over limit
Discharged 25 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1140% over limit
Discharged 18.6 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
265% over limit
Discharged 18.6 mg/L against a permitted limit of 5.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)