NPDES ID: WV0084433
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: 8 effluent violations.
Violations
May 31, 2026
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
852% over limit
Discharged 9.52 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
5% over limit
Discharged 84.2 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
376% over limit
Discharged 9.52 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
126% over limit
Discharged 1.43917999 kg/d against a permitted limit of 0.63559999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
353% over limit
Discharged 1.43917999 kg/d against a permitted limit of 0.3178 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Copper, total recoverable
62% over limit
Discharged 0.0102 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
February 28, 2026
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Copper, total recoverable
24% over limit
Discharged 0.0078 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, suspended percent removal
122% over limit
Discharged 66.7 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
49% over limit
Discharged 0.0094 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, suspended percent removal
361% over limit
Discharged 30.8 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
90% over limit
Discharged 0.012 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
2% over limit
Discharged 9 mg/L against a permitted limit of 8.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
33% over limit
Discharged 80.1 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
60% over limit
Discharged 0.0101 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
205% over limit
Discharged 3.05 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
14% over limit
Discharged 10 mg/L against a permitted limit of 8.8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
127% over limit
Discharged 10 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 3.05 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
14% over limit
Discharged 10 mg/L against a permitted limit of 8.8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
127% over limit
Discharged 10 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
205% over limit
Discharged 3.05 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
60% over limit
Discharged 0.0101 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 3.05 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
33% over limit
Discharged 80.1 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
August 31, 2025
Copper, total recoverable
291% over limit
Discharged 0.0602 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
884% over limit
Discharged 0.062 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 3.58 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
40% over limit
Discharged 12.3 mg/L against a permitted limit of 8.8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
258% over limit
Discharged 3.58 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
180% over limit
Discharged 12.3 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Copper, total recoverable
1098% over limit
Discharged 0.0755 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
390% over limit
Discharged 0.0755 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
332% over limit
Discharged 19 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
274% over limit
Discharged 0.0576 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
116% over limit
Discharged 19 mg/L against a permitted limit of 8.8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
138% over limit
Discharged 1.51318199 kg/d against a permitted limit of 0.63559999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
440% over limit
Discharged 10.8 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
95% over limit
Discharged 2.66180198 kg/d against a permitted limit of 1.36199999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
96% over limit
Discharged 70.6 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
814% over limit
Discharged 0.0576 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
980% over limit
Discharged 10.8 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
376% over limit
Discharged 1.51318199 kg/d against a permitted limit of 0.3178 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
151% over limit
Discharged 10.02 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
8% over limit
Discharged 19 mg/L against a permitted limit of 17.6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
422% over limit
Discharged 0.0804 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
3% over limit
Discharged 2.80571998 kg/d against a permitted limit of 2.72399998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
133% over limit
Discharged 1.47958599 kg/d against a permitted limit of 0.63559999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
401% over limit
Discharged 10.02 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1176% over limit
Discharged 0.0804 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
116% over limit
Discharged 19 mg/L against a permitted limit of 8.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
16% over limit
Discharged 1.47958599 kg/d against a permitted limit of 1.27119999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
332% over limit
Discharged 0.0665 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
956% over limit
Discharged 0.0665 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total recoverable
147% over limit
Discharged 0.0381 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
28% over limit
Discharged 11.3 mg/L against a permitted limit of 8.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
505% over limit
Discharged 0.0381 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, suspended percent removal
196% over limit
Discharged 55.6 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
25% over limit
Discharged 0.0079 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
300% over limit
Discharged 800 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Coliform, fecal general
100% over limit
Discharged 800 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
1078% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
382% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
1078% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
382% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
85% over limit
Discharged 0.588384 kg/d against a permitted limit of 0.3178 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1083% over limit
Discharged 0.0745 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
4738% over limit
Discharged 0.745 mg/L against a permitted limit of 0.0154 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
136% over limit
Discharged 4.71 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
371% over limit
Discharged 4.71 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
September 30, 2024
BOD, 5-day, 20 deg. C
20% over limit
Discharged 5.3 mg/L against a permitted limit of 4.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
64% over limit
Discharged 328 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
136% over limit
Discharged 6.42182995 kg/d against a permitted limit of 2.72399998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
372% over limit
Discharged 6.42182995 kg/d against a permitted limit of 1.36199999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
993% over limit
Discharged 328 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
146% over limit
Discharged 45.85399961 kg/d against a permitted limit of 18.61399984 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
125% over limit
Discharged 0.71504999 kg/d against a permitted limit of 0.3178 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
447% over limit
Discharged 328 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 0.71504999 kg/d against a permitted limit of 0.63559999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
393% over limit
Discharged 45.85399961 kg/d against a permitted limit of 9.30699992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
67% over limit
Discharged 0.0105 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
3% over limit
Discharged 6.8 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Copper, total recoverable
84% over limit
Discharged 0.0116 mg/L against a permitted limit of 0.0063 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
24% over limit
Discharged 81.4 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)