WARREN STAGE IV STP
NPDES ID: NJ0022497
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: 2 effluent violations.
Violations
May 31, 2026
Nitrogen, nitrate total [as N]
15% over limit
Discharged 34.7 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, nitrate total [as N]
14% over limit
Discharged 34.5 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, nitrate total [as N]
34% over limit
Discharged 40.6 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, nitrate total [as N]
24% over limit
Discharged 37.5 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, nitrate total [as N]
14% over limit
Discharged 34.4 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
35% over limit
Discharged 2.7 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
70% over limit
Discharged 5.1 mg/L against a permitted limit of 3 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 11.1 kg/d against a permitted limit of 9.1 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, nitrate total [as N]
8% over limit
Discharged 32.7 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, nitrate total [as N]
18% over limit
Discharged 35.6 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, nitrate total [as N]
33% over limit
Discharged 40.2 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, nitrate total [as N]
16% over limit
Discharged 35 mg/L against a permitted limit of 30.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
September 1, 2026 (4 hours ago)