NPDES ID: VA0091669
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: 3 effluent violations.
Violations
May 31, 2026
Zinc, total recoverable
12% over limit
Discharged 0.046 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
April 30, 2026
Zinc, total recoverable
15% over limit
Discharged 0.047 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
29% over limit
Discharged 0.053 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2026
Zinc, total recoverable
80% over limit
Discharged 0.074 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
117% over limit
Discharged 0.089 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
Zinc, total recoverable
61% over limit
Discharged 0.066 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
85% over limit
Discharged 0.076 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
100% over limit
Discharged 0.8 mg/L against a permitted limit of 0.4 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Zinc, total recoverable
24% over limit
Discharged 0.051 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
73% over limit
Discharged 0.071 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
35% over limit
Discharged 10.1 mg/L against a permitted limit of 7.5 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 0.8 mg/L against a permitted limit of 0.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Zinc, total recoverable
39% over limit
Discharged 0.057 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Zinc, total recoverable
76% over limit
Discharged 0.072 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2025
Zinc, total recoverable
37% over limit
Discharged 0.056 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
44% over limit
Discharged 0.059 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2025
Zinc, total recoverable
2% over limit
Discharged 0.042 mg/L against a permitted limit of 0.041 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Zinc, total recoverable
2% over limit
Discharged 0.042 mg/L against a permitted limit of 0.041 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Oxygen, dissolved [DO]
1% over limit
Discharged 7.2 mg/L against a permitted limit of 7.3 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
181% over limit
Discharged 354 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
9% over limit
Discharged 32.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
169% over limit
Discharged 0.11300001 mg/L against a permitted limit of 0.042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
169% over limit
Discharged 0.11300001 mg/L against a permitted limit of 0.042 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
25% over limit
Discharged 157 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
133% over limit
Discharged 23.3 mg/L against a permitted limit of 10 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 50 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
24% over limit
Discharged 9.33 mg/L against a permitted limit of 7.5 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
69% over limit
Discharged 11.8 mg/L against a permitted limit of 7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, 20 deg. C
27% over limit
Discharged 12.7 mg/L against a permitted limit of 10 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
107% over limit
Discharged 175.9 kg/d against a permitted limit of 85.1 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
16% over limit
Discharged 34.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 62.8 kg/d against a permitted limit of 56.7 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
99% over limit
Discharged 89.7 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
July 31, 2024
Zinc, total recoverable
12% over limit
Discharged 0.047 mg/L against a permitted limit of 0.042 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)