WEST ORANGE WWTP

NPDES ID: TX0054810

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: 18 effluent violations.

Violations

May 31, 2026

Enterococci

150% over limit

Discharged 260 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

5% over limit

Discharged 42 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

67% over limit

Discharged 5 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

1% over limit

Discharged 3.48624005 MGD against a permitted limit of 3.44736 MGD (2HR PEAK)

DMR, Limited - Numeric Violation

Solids, total suspended

7% over limit

Discharged 74.45599937 kg/d against a permitted limit of 69.462 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Enterococci

186% over limit

Discharged 100 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

April 30, 2026

Nitrogen, ammonia total [as N]

98% over limit

Discharged 19.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

240% over limit

Discharged 10.2 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

March 31, 2026

Enterococci

192% over limit

Discharged 304 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

100% over limit

Discharged 6 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

57% over limit

Discharged 15.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

77% over limit

Discharged 62 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

August 31, 2025

Enterococci

165% over limit

Discharged 276 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

100% over limit

Discharged 70 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

July 31, 2025

Enterococci

197% over limit

Discharged 104 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

Enterococci

262% over limit

Discharged 376 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

85% over limit

Discharged 18.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

63% over limit

Discharged 4.9 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

June 30, 2025

Enterococci

427% over limit

Discharged 548 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

Enterococci

503% over limit

Discharged 211 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

155% over limit

Discharged 102 mg/L against a permitted limit of 40 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

4% over limit

Discharged 3.59856005 MGD against a permitted limit of 3.44736 MGD (2HR PEAK)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

85% over limit

Discharged 18.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

37% over limit

Discharged 4.1 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

April 30, 2025

Nitrogen, ammonia total [as N]

15% over limit

Discharged 16.11699986 kg/d against a permitted limit of 14.07399988 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

97% over limit

Discharged 19.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

176% over limit

Discharged 8.28 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

March 31, 2025

Nitrogen, ammonia total [as N]

33% over limit

Discharged 4 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

February 28, 2025

Nitrogen, ammonia total [as N]

20% over limit

Discharged 12 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

33% over limit

Discharged 4 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

January 31, 2025

Nitrogen, ammonia total [as N]

28% over limit

Discharged 12.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.477 MGD against a permitted limit of 0 MGD (DAILY AV)

DMR, Monitor Only - Overdue

August 31, 2024

Nitrogen, ammonia total [as N]

172% over limit

Discharged 27.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

60% over limit

Discharged 16 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

122% over limit

Discharged 31.28059974 kg/d against a permitted limit of 14.07399988 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

20% over limit

Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

510% over limit

Discharged 18.3 mg/L against a permitted limit of 3 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (6 days ago)