NPDES ID: MD0050903
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 11 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
48% over limit
Discharged 4.3 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
11% over limit
Discharged 0.95339999 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
270% over limit
Discharged 8.89839993 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
181% over limit
Discharged 10.21499991 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
62% over limit
Discharged 3.90439997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 14.4 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
281% over limit
Discharged 30.5 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
750% over limit
Discharged 30.87199974 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
758% over limit
Discharged 103 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
14% over limit
Discharged 4.3 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
183% over limit
Discharged 34 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
263% over limit
Discharged 13.16599989 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
141% over limit
Discharged 8.76219993 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
267% over limit
Discharged 44 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
160% over limit
Discharged 20.8 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
157% over limit
Discharged 6.17439995 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
142% over limit
Discharged 29 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
41% over limit
Discharged 11.3 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 3.35959997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
60% over limit
Discharged 3.85899997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
83% over limit
Discharged 22 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 10.3 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
134% over limit
Discharged 8.48979993 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, 5-day, 20 deg. C
6% over limit
Discharged 2.54239998 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
8% over limit
Discharged 13 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 4.67619996 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
6% over limit
Discharged 4.7 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
October 31, 2025
Oxygen, dissolved [DO]
20% over limit
Discharged 3.99 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
197% over limit
Discharged 8.6 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
142% over limit
Discharged 2.08839998 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
60% over limit
Discharged 24 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
50% over limit
Discharged 6.80999994 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
321% over limit
Discharged 3.63199997 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
417% over limit
Discharged 15 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
76% over limit
Discharged 5.1 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
58% over limit
Discharged 1.36199999 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
65% over limit
Discharged 5.99279995 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
93% over limit
Discharged 29 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Solids, total suspended
108% over limit
Discharged 25 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
311% over limit
Discharged 3.54119997 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
60% over limit
Discharged 7.26399994 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
130% over limit
Discharged 5.53879995 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
190% over limit
Discharged 23.2 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
62% over limit
Discharged 3.90439997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
101% over limit
Discharged 16.1 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
E. coli
109% over limit
Discharged 263 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO GMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
452% over limit
Discharged 16 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
198% over limit
Discharged 10.80519991 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
2% over limit
Discharged 4.9 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
283% over limit
Discharged 46 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
133% over limit
Discharged 35 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
223% over limit
Discharged 7.76339993 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
492% over limit
Discharged 71 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
323% over limit
Discharged 533 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO GMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
700% over limit
Discharged 6.90079994 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
160% over limit
Discharged 11.8039999 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
199% over limit
Discharged 23.9 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
610% over limit
Discharged 20.6 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
528% over limit
Discharged 22.79079981 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
932% over limit
Discharged 8.89839993 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
173% over limit
Discharged 41 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
16% over limit
Discharged 9.3 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
325% over limit
Discharged 536 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO GMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 9.07999992 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1141% over limit
Discharged 36 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1% over limit
Discharged 3.67739997 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, 20 deg. C
4% over limit
Discharged 3.76819997 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
138% over limit
Discharged 31 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
134% over limit
Discharged 9.26159992 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
5% over limit
Discharged 3.81359997 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
108% over limit
Discharged 27 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
78% over limit
Discharged 7.03699994 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
8% over limit
Discharged 13 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
52% over limit
Discharged 5.99279995 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 22 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
69% over limit
Discharged 6.67379994 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
42% over limit
Discharged 2.9 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 3.72279997 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 22 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
December 31, 2024
Oxygen, dissolved [DO]
6% over limit
Discharged 4.7 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
108% over limit
Discharged 27 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
140% over limit
Discharged 9.48859992 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
29% over limit
Discharged 4.67619996 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
17% over limit
Discharged 14 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, ammonia total [as N]
93% over limit
Discharged 7.62719994 kg/d against a permitted limit of 3.94979997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
54% over limit
Discharged 12.3 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
120% over limit
Discharged 28.6 mg/L against a permitted limit of 13 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
E. coli
120% over limit
Discharged 277 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO GMN)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 15 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
16% over limit
Discharged 4.2 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
1% over limit
Discharged 8.1 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
117% over limit
Discharged 26 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
38% over limit
Discharged 3.31419997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 3.94979997 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
85% over limit
Discharged 6.71919994 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2024
BOD, 5-day, 20 deg. C
36% over limit
Discharged 4.94859996 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
17% over limit
Discharged 2.81479998 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
821% over limit
Discharged 7.94499993 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1086% over limit
Discharged 34.4 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
153% over limit
Discharged 38 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
58% over limit
Discharged 19 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
120% over limit
Discharged 9.98799992 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
2% over limit
Discharged 4.9 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
19% over limit
Discharged 4.31299996 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 12 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2024
BOD, 5-day, 20 deg. C
21% over limit
Discharged 4.40379996 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1016% over limit
Discharged 9.62479992 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
167% over limit
Discharged 40 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
150% over limit
Discharged 11.3499999 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
44% over limit
Discharged 11.5 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 3.22339997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1076% over limit
Discharged 34.1 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, 5-day, 20 deg. C
50% over limit
Discharged 5.44799995 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
77% over limit
Discharged 223 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO GMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
832% over limit
Discharged 8.03579993 kg/d against a permitted limit of 0.86259999 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
107% over limit
Discharged 31 mg/L against a permitted limit of 15 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
49% over limit
Discharged 3.58659997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
142% over limit
Discharged 29 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
119% over limit
Discharged 7.94499993 kg/d against a permitted limit of 3.63199997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
2% over limit
Discharged 4.9 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 3.45039997 kg/d against a permitted limit of 2.40619998 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
75% over limit
Discharged 21 mg/L against a permitted limit of 12 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
914% over limit
Discharged 29.4 mg/L against a permitted limit of 2.9 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
59% over limit
Discharged 12.7 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 9.07999992 kg/d against a permitted limit of 4.53999996 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
68% over limit
Discharged 13.4 mg/L against a permitted limit of 8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)