SANDY HOOK STP
NPDES ID: KY0052264
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: 6 effluent violations.
Violations
May 31, 2026
Phosphorus, total [as P]
12% over limit
Discharged 2.13788598 kg/d against a permitted limit of 1.90679998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
20% over limit
Discharged 2.39 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
6% over limit
Discharged 3.04225397 kg/d against a permitted limit of 2.86019998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
61% over limit
Discharged 1.61 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
34% over limit
Discharged 4.01 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
34% over limit
Discharged 2.685 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
8% over limit
Discharged 8.1 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
42% over limit
Discharged 121.25885898 kg/d against a permitted limit of 85.17039928 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
18% over limit
Discharged 82.35 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
49% over limit
Discharged 67 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
133% over limit
Discharged 22.14611981 kg/d against a permitted limit of 9.48859992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
294% over limit
Discharged 55.99635953 kg/d against a permitted limit of 14.21019988 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
207% over limit
Discharged 23 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
172% over limit
Discharged 13.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
48% over limit
Discharged 7.375 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 12.9 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
38% over limit
Discharged 62 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
9% over limit
Discharged 83.7 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
9% over limit
Discharged 6.19255995 kg/d against a permitted limit of 5.67499995 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
3% over limit
Discharged 2.06 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
20% over limit
Discharged 3.6 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Phosphorus, total [as P]
58% over limit
Discharged 3.15 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
17% over limit
Discharged 1.167 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
47% over limit
Discharged 4.20994196 kg/d against a permitted limit of 2.86019998 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)