NPDES ID: VA0020184
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: 2 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
20% over limit
Discharged 1.2 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
20% over limit
Discharged 1.2 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
205% over limit
Discharged 384 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
22% over limit
Discharged 5.5 mg/L against a permitted limit of 4.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
7% over limit
Discharged 3.2 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
870% over limit
Discharged 9.7 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
221% over limit
Discharged 2.4 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
E. coli
30% over limit
Discharged 164 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
37% over limit
Discharged 3.4 mg/L against a permitted limit of 2.48 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
5% over limit
Discharged 2.6 mg/L against a permitted limit of 2.48 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
34% over limit
Discharged 1 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
440% over limit
Discharged 5.4 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli
28% over limit
Discharged 161 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1100% over limit
Discharged 12 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
288% over limit
Discharged 2.9 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
340% over limit
Discharged 4.4 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
87% over limit
Discharged 1.4 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
73% over limit
Discharged 218 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 0.8 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
270% over limit
Discharged 3.7 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
73% over limit
Discharged 218 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
110% over limit
Discharged 2.1 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
22% over limit
Discharged 154 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
7% over limit
Discharged 0.8 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 68 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
E. coli
56% over limit
Discharged 197 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 45 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
200% over limit
Discharged 3 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
34% over limit
Discharged 1 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
490% over limit
Discharged 5.9 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
27% over limit
Discharged 5.7 mg/L against a permitted limit of 4.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
328% over limit
Discharged 3.2 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
23% over limit
Discharged 3.7 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
19% over limit
Discharged 8.1 kg/d against a permitted limit of 6.8 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, Kjeldahl, total [as N]
44% over limit
Discharged 6.5 mg/L against a permitted limit of 4.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
700% over limit
Discharged 8 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
381% over limit
Discharged 3.6 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
744% over limit
Discharged 1064 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
13% over limit
Discharged 3.4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
E. coli
79% over limit
Discharged 226 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
130% over limit
Discharged 2.3 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.054 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.054 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
270% over limit
Discharged 3.7 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
74% over limit
Discharged 219 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0134 mg/L (WKLY AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0134 mg/L (MO AVG)
DMR, Limited - Overdue
August 31, 2024
Nitrogen, ammonia total [as N]
20% over limit
Discharged 0.9 mg/L against a permitted limit of 0.748 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
150% over limit
Discharged 2.5 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
24% over limit
Discharged 156 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
110% over limit
Discharged 2.1 mg/L against a permitted limit of 1 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)