NPDES ID: COG591172
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: 16 effluent violations.
Violations
May 31, 2026
E. coli
15664% over limit
Discharged 19863 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
307% over limit
Discharged 39 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
376% over limit
Discharged 214 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
613% over limit
Discharged 214 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
564% over limit
Discharged 62.4 mg/L against a permitted limit of 9.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
7782% over limit
Discharged 19863 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
524% over limit
Discharged 62.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1683% over limit
Discharged 62.4 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, percent removal
207% over limit
Discharged 54 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
78721% over limit
Discharged 99315 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1785% over limit
Discharged 62.2 mg/L against a permitted limit of 3.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
627% over limit
Discharged 218 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
632% over limit
Discharged 62.2 mg/L against a permitted limit of 8.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
39311% over limit
Discharged 99315 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
522% over limit
Discharged 62.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
384% over limit
Discharged 218 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, percent removal
447% over limit
Discharged 18 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
316% over limit
Discharged 187 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
E. coli
78721% over limit
Discharged 198630 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
523% over limit
Discharged 187 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
379% over limit
Discharged 47.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
698% over limit
Discharged 47.9 mg/L against a permitted limit of 6 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
157543% over limit
Discharged 198630 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
380% over limit
Discharged 48 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
427% over limit
Discharged 158 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
133% over limit
Discharged 65 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
251% over limit
Discharged 158 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
429% over limit
Discharged 38.6 mg/L against a permitted limit of 7.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
288% over limit
Discharged 38.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
176% over limit
Discharged 38.6 mg/L against a permitted limit of 14 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
468% over limit
Discharged 62.5 mg/L against a permitted limit of 11 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
525% over limit
Discharged 62.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
389% over limit
Discharged 220 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
273% over limit
Discharged 44 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
862% over limit
Discharged 62.5 mg/L against a permitted limit of 6.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
633% over limit
Discharged 220 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, inorganic total
661% over limit
Discharged 76.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
544% over limit
Discharged 290 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
520% over limit
Discharged 7 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
867% over limit
Discharged 290 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1048% over limit
Discharged 75.8 mg/L against a permitted limit of 6.6 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
532% over limit
Discharged 75.8 mg/L against a permitted limit of 12 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, 5-day, 20 deg. C
320% over limit
Discharged 126 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
1023% over limit
Discharged 1415 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
240% over limit
Discharged 49 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
994% over limit
Discharged 55.8 mg/L against a permitted limit of 5.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
180% over limit
Discharged 126 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
440% over limit
Discharged 54 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
462% over limit
Discharged 1415 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
407% over limit
Discharged 55.8 mg/L against a permitted limit of 11 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
96% over limit
Discharged 88 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
Methanol, total
0% over limit
Discharged 0 mg/L against a permitted limit of 14.00000066 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
87% over limit
Discharged 72 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
220% over limit
Discharged 32 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
742% over limit
Discharged 32 mg/L against a permitted limit of 3.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
220% over limit
Discharged 32 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
32% over limit
Discharged 145 mg/L against a permitted limit of 110 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
193% over limit
Discharged 88 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
93% over limit
Discharged 145 mg/L against a permitted limit of 75 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)