CLAY STP
NPDES ID: KY0028096
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: 9 effluent violations, 1 compliance schedule violation, 2 single-event violations.
Violations
June 30, 2026
Solids, suspended percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, suspended percent removal
240% over limit
Discharged 49 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
14% over limit
Discharged 51.3 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
66% over limit
Discharged 49.65 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, percent removal
120% over limit
Discharged 67 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 32.15 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, percent removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, suspended percent removal
127% over limit
Discharged 66 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
73% over limit
Discharged 78 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
34% over limit
Discharged 40.25 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
210% over limit
Discharged 105.73024311 kg/d against a permitted limit of 34.07723971 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
140% over limit
Discharged 54.55944954 kg/d against a permitted limit of 22.71815981 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, percent removal
147% over limit
Discharged 63 % 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
June 30, 2025
BOD, 5-day, 20 deg. C
12% over limit
Discharged 38.24495968 kg/d against a permitted limit of 34.07723971 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
313% over limit
Discharged 38 % against a permitted limit of 85 % (MO AV MN)
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
May 31, 2025
Solids, suspended percent removal
40% over limit
Discharged 79 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
140% over limit
Discharged 64 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, percent removal
267% over limit
Discharged 45 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 34.11355971 kg/d against a permitted limit of 34.07723971 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
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
Solids, suspended percent removal
480% over limit
Discharged 13 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.65 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, suspended percent removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
160% over limit
Discharged 61 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
February 28, 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
E. coli
65% over limit
Discharged 214 MPN/100mL against a permitted limit of 130 MPN/100mL (30DA GEO)
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
BOD, 5-day, percent removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
60% over limit
Discharged 76 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
December 31, 2024
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (AVERAGE)
DMR, Monitor Only - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (AVERAGE)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (MAXIMUM)
DMR, Monitor Only - Overdue
Solids, total dissolved [TDS]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (AVERAGE)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (AVERAGE)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Solids, total dissolved [TDS]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (AVERAGE)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MAXIMUM)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (AVERAGE)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
31% over limit
Discharged 29.68251975 kg/d against a permitted limit of 22.71815981 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
45% over limit
Discharged 49.42243958 kg/d against a permitted limit of 34.07723971 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, suspended percent removal
180% over limit
Discharged 58 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
October 31, 2024
BOD, 5-day, 20 deg. C
27% over limit
Discharged 57 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
73% over limit
Discharged 74 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
260% over limit
Discharged 46 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, suspended percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (41 minutes ago)