AUBURN WWTP
NPDES ID: KY0021202
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 single-event violation.
Violations
March 31, 2026
Toxicity, final conc toxicity units
110% over limit
Discharged 2.1 toxic against a permitted limit of 1 toxic (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
489% over limit
Discharged 1414 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
75% over limit
Discharged 70 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
36% over limit
Discharged 34 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli
261% over limit
Discharged 866 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 41 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
June 30, 2025
Toxicity, final conc toxicity units
50% over limit
Discharged 1.5 toxic against a permitted limit of 1 toxic (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Toxicity, final conc toxicity units
50% over limit
Discharged 1.5 toxic against a permitted limit of 1 toxic (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
59% over limit
Discharged 84.44399929 kg/d against a permitted limit of 53.02719955 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, carb-5 day, 20 deg C, percent removal
100% over limit
Discharged 70 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
199% over limit
Discharged 158.44599867 kg/d against a permitted limit of 53.02719955 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
140% over limit
Discharged 60 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
168% over limit
Discharged 107 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
152% over limit
Discharged 83.5359993 kg/d against a permitted limit of 33.14199972 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
728% over limit
Discharged 1986 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (10 hours ago)