CARLISLE CO REGIONAL STP
NPDES ID: KY0102156
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 effluent violation.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
1% over limit
Discharged 2.025 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
39% over limit
Discharged 13.17507989 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 14.99561987 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, carbonaceous [5 day, 20 C]
39% over limit
Discharged 13.17507989 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
191% over limit
Discharged 5.51609995 kg/d against a permitted limit of 1.89317998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
149% over limit
Discharged 7.08239994 kg/d against a permitted limit of 2.84203998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
702% over limit
Discharged 16.04 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 14.99561987 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4015% over limit
Discharged 116.95493902 kg/d against a permitted limit of 2.84203998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
940% over limit
Discharged 31.2 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3075% over limit
Discharged 60.10505949 kg/d against a permitted limit of 1.89317998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 10.92777991 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
327% over limit
Discharged 12.1444999 kg/d against a permitted limit of 2.84203998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 3.24 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
227% over limit
Discharged 6.19255995 kg/d against a permitted limit of 1.89317998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
39% over limit
Discharged 13.17507989 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 14.99561987 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
240% over limit
Discharged 6.42863995 kg/d against a permitted limit of 1.89317998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 14.99561987 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
228% over limit
Discharged 9.33423992 kg/d against a permitted limit of 2.84203998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)