TIVOLI (V) WWTP
NPDES ID: NY0022098
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 effluent violation.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
46% over limit
Discharged 1.31 mg/L against a permitted limit of 0.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
41% over limit
Discharged 2.54 mg/L against a permitted limit of 1.8 mg/L (MO AVG)
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
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 7.5 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
61% over limit
Discharged 2.9 mg/L against a permitted limit of 1.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 5.5 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
1239% over limit
Discharged 24.1 mg/L against a permitted limit of 1.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, carbonaceous [5 day, 20 C]
66% over limit
Discharged 8.3 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
260% over limit
Discharged 7.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Phosphorus, total [as P]
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 6.2 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
12% over limit
Discharged 5.6 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, settleable
1900% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
20% over limit
Discharged 0.12 MGD against a permitted limit of 0.1 MGD (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, settleable
2900% over limit
Discharged 0.003 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 11.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 4.45373996 kg/d against a permitted limit of 3.7682 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, settleable
2900% over limit
Discharged 0.003 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
104900% over limit
Discharged 105 MGD against a permitted limit of 0.1 MGD (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
36% over limit
Discharged 6.8 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
136% over limit
Discharged 11.8 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, carbonaceous [5 day, 20 C]
8% over limit
Discharged 5.4 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
50% over limit
Discharged 7.5 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Phosphorus, total [as P]
4% over limit
Discharged 2.08 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
34% over limit
Discharged 6.7 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Temperature, water deg. fahrenheit
4% over limit
Discharged 73 deg F against a permitted limit of 70 deg F (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
32% over limit
Discharged 6.6 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloroform
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
July 31, 2024
Chloroform
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
6% over limit
Discharged 74 deg F against a permitted limit of 70 deg F (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
Coliform, fecal general
505% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
56% over limit
Discharged 7.8 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 1.61 mg/L against a permitted limit of 0.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)