TOMPKINSVILLE STP
NPDES ID: KY0020702
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
116% over limit
Discharged 43.25 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
128% over limit
Discharged 115.77817103 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
466% over limit
Discharged 430.98991438 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
437% over limit
Discharged 161 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
73% over limit
Discharged 74 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
February 28, 2026
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
153% over limit
Discharged 76 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
127% over limit
Discharged 66 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
77% over limit
Discharged 89.78303925 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
34% over limit
Discharged 26.75 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
230% over limit
Discharged 251.21635789 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
132% over limit
Discharged 176.51065852 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
377% over limit
Discharged 143 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
85% over limit
Discharged 93.81001921 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
280% over limit
Discharged 76 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
420% over limit
Discharged 22 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, carb-5 day, 20 deg C, percent removal
120% over limit
Discharged 67 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
170% over limit
Discharged 81 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
60% over limit
Discharged 32 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
84% over limit
Discharged 139.85015882 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
9% over limit
Discharged 55.25043754 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, carbonaceous [5 day, 20 C]
200% over limit
Discharged 228.18493808 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
177% over limit
Discharged 42.14708965 kg/d against a permitted limit of 15.20899987 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
106% over limit
Discharged 104.69648512 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 4.11 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
17% over limit
Discharged 5.81 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
240% over limit
Discharged 49 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
183% over limit
Discharged 85 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
162% over limit
Discharged 15.7 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
9% over limit
Discharged 11.03991791 kg/d against a permitted limit of 10.16959991 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
95% over limit
Discharged 39 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Oxygen, dissolved [DO]
14% over limit
Discharged 6.05 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
151% over limit
Discharged 127.34245893 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
54% over limit
Discharged 9.22 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
254% over limit
Discharged 269.40359774 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
907% over limit
Discharged 302 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
614% over limit
Discharged 142.75 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, carb-5 day, 20 deg C, percent removal
67% over limit
Discharged 75 % against a permitted limit of 85 % (MO AV MN)
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
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
73% over limit
Discharged 52 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, carbonaceous [5 day, 20 C]
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
113% over limit
Discharged 68 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
17% over limit
Discharged 5.79 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 20.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Oxygen, dissolved [DO]
19% over limit
Discharged 5.68 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
197% over limit
Discharged 89 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
433% over limit
Discharged 20 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
110% over limit
Discharged 12.6 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1% over limit
Discharged 76.83268935 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
77% over limit
Discharged 7.083 mg/L against a permitted limit of 4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
228% over limit
Discharged 65.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
133% over limit
Discharged 65 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, carbonaceous [5 day, 20 C]
150% over limit
Discharged 50 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
127% over limit
Discharged 68 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
728% over limit
Discharged 1986 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
540% over limit
Discharged 4 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
23% over limit
Discharged 93.46270921 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, carb-5 day, 20 deg C, percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
559% over limit
Discharged 334.30471319 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
629% over limit
Discharged 145.75 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
750% over limit
Discharged 646.82242057 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
587% over limit
Discharged 206 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
413% over limit
Discharged 102.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
333% over limit
Discharged 35 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
383% over limit
Discharged 145 mg/L against a permitted limit of 30 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
381750% over limit
Discharged 193729.5163722 kg/d against a permitted limit of 50.73449957 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
24% over limit
Discharged 5.32 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
573% over limit
Discharged 512.52377369 kg/d against a permitted limit of 76.10583536 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, suspended percent removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, suspended percent removal
160% over limit
Discharged 61 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carb-5 day, 20 deg C, percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
40% over limit
Discharged 79 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
5% over limit
Discharged 6.66 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
September 30, 2024
Oxygen, dissolved [DO]
28% over limit
Discharged 5.02 mg/L against a permitted limit of 7 mg/L (INST MIN)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
63% over limit
Discharged 212 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
July 31, 2024
E. coli
770% over limit
Discharged 1131 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
E. coli
908% over limit
Discharged 2420 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)