ELLENVILLE RESIDENTIAL TREATMENT PROGRAM
NPDES ID: NY0150363
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 4 reporting violations.
Violations
April 30, 2026
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
March 31, 2026
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
February 28, 2026
pH
0% over limit
Discharged 9.7 SU against a permitted limit of 8.5 SU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 30.6 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 30.6 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
273% over limit
Discharged 44 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
January 31, 2026
BOD, 5-day, 20 deg. C
10% over limit
Discharged 5.5 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
212% over limit
Discharged 3.12 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
51% over limit
Discharged 3.4 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.7 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
December 31, 2025
Phosphorus, total [as P]
239% over limit
Discharged 3.39 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
58% over limit
Discharged 2.94 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2025
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
51% over limit
Discharged 3.43 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
67% over limit
Discharged 0.05 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
133% over limit
Discharged 2.33 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
6900% over limit
Discharged 2.1 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Overdue
Phosphorus, total [as P]
80% over limit
Discharged 1.8 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Phosphorus, total [as P]
87% over limit
Discharged 1.87 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Overdue
Chlorine, total residual
7233% over limit
Discharged 2.2 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.06 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
Phosphorus, total [as P]
127% over limit
Discharged 2.27 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Overdue
Chlorine, total residual
7233% over limit
Discharged 2.2 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Overdue
Chlorine, total residual
6233% over limit
Discharged 1.9 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
607% over limit
Discharged 7.07 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 12.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
26% over limit
Discharged 12.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
3567% over limit
Discharged 1.1 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 7 mg/L (DAILY MN)
DMR, Limited - Overdue
Phosphorus, total [as P]
203% over limit
Discharged 3.03 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Coliform, fecal general
1110% over limit
Discharged 2419 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2419 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.2 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
pH
0% over limit
Discharged 6.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
6% over limit
Discharged 800000 mg/L against a permitted limit of 850000 mg/L (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
61% over limit
Discharged 32.2 mg/L against a permitted limit of 20 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
7% over limit
Discharged 32.2 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 20.6 mg/L against a permitted limit of 20 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.9 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.9 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 5.8 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 6 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.7 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
August 31, 2024
Solids, total suspended
2% over limit
Discharged 830000 mg/L against a permitted limit of 850000 mg/L (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, settleable
0% over limit
Discharged 0.0001 mg/L against a permitted limit of 0.0001 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.2 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 10.8 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 178 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 77 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 2.319 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - 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 - 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
pH
0% over limit
Discharged 6.7 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 178 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 49.18 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.8 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 211 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 20 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.8 mg/L against a permitted limit of 20 mg/L (30DA AVG)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0.04 MGD (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 980000 mg/L against a permitted limit of 850000 mg/L (MO AV MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.3 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.6 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 211 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)