LEBANON STP
NPDES ID: KY0026549
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: 14 effluent violations, 2 single-event violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
989% over limit
Discharged 370.91799688 kg/d against a permitted limit of 34.04999971 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
46054% over limit
Discharged 60000 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
282% over limit
Discharged 7.64 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
408% over limit
Discharged 115.31599903 kg/d against a permitted limit of 22.69999981 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
367% over limit
Discharged 14 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
544% over limit
Discharged 12.87 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
463% over limit
Discharged 16.9 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
3515% over limit
Discharged 4700 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
149% over limit
Discharged 17.43 mg/L against a permitted limit of 7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
124% over limit
Discharged 23.5 mg/L against a permitted limit of 10.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
1205% over limit
Discharged 1697 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, suspended percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
2% over limit
Discharged 46 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4% over limit
Discharged 35.4119997 kg/d against a permitted limit of 34.04999971 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
763% over limit
Discharged 25.9 mg/L against a permitted limit of 3 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
1288% over limit
Discharged 1804 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
323% over limit
Discharged 8.46 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
E. coli
87% over limit
Discharged 449 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
69% over limit
Discharged 76 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
215% over limit
Discharged 1611.69998646 kg/d against a permitted limit of 511.2039957 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 437.20199633 kg/d against a permitted limit of 340.95399714 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
127% over limit
Discharged 66 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, suspended percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, suspended percent removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
24900% over limit
Discharged 60000 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
170% over limit
Discharged 351 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (8 hours ago)