FARMINGTON (T) STP
NPDES ID: NY0023531
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: 1 single-event violation.
Violations
March 31, 2026
Solids, settleable
26900% over limit
Discharged 0.027 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
20% over limit
Discharged 1.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
144% over limit
Discharged 370.19159689 kg/d against a permitted limit of 151.4544 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
204% over limit
Discharged 30.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, settleable
35900% over limit
Discharged 0.036 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
292% over limit
Discharged 39.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
120% over limit
Discharged 2.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
152% over limit
Discharged 381.76859679 kg/d against a permitted limit of 151.4544 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, settleable
16900% over limit
Discharged 0.017 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
44% over limit
Discharged 217.55679817 kg/d against a permitted limit of 151.4544 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
239% over limit
Discharged 33.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
90% over limit
Discharged 1.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
pH
0% over limit
Discharged 6.2 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 20 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
100% over limit
Discharged 2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
64% over limit
Discharged 248.83739791 kg/d against a permitted limit of 151.4544 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 1.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
172% over limit
Discharged 27.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
pH
0% over limit
Discharged 8.8 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
Phosphorus, total [as P]
10% over limit
Discharged 1.1 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia, total [as NH3]
33% over limit
Discharged 1.6 mg/L against a permitted limit of 1.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
80% over limit
Discharged 1.8 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
14% over limit
Discharged 11.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Phosphorus, total [as P]
50% over limit
Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
94% over limit
Discharged 19.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
306% over limit
Discharged 40.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 1.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 283.29599762 kg/d against a permitted limit of 151.4544 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia, total [as NH3]
195% over limit
Discharged 5.9 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 19 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia, total [as NH3]
240% over limit
Discharged 6.8 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia, total [as NH3]
15% over limit
Discharged 2.3 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)