TRENTON WWTP
NPDES ID: TX0134244
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: 9 effluent violations.
Violations
May 31, 2026
E. coli
1821% over limit
Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
24% over limit
Discharged 0.204 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
507% over limit
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
83% over limit
Discharged 5.5 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
153% over limit
Discharged 1010 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
221% over limit
Discharged 404 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
230% over limit
Discharged 9.9 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
97% over limit
Discharged 3.66831997 kg/d against a permitted limit of 1.86139998 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
23% over limit
Discharged 18.5 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
74% over limit
Discharged 26.1 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
355% over limit
Discharged 13.65 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
131% over limit
Discharged 4.29483996 kg/d against a permitted limit of 1.86139998 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
132% over limit
Discharged 6.96 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
55% over limit
Discharged 2.88289998 kg/d against a permitted limit of 1.86139998 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
17% over limit
Discharged 3.51 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
507% over limit
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
41% over limit
Discharged 4.23 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
67% over limit
Discharged 25 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
Flow, in conduit or thru treatment plant
15% over limit
Discharged 0.189 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
Flow, in conduit or thru treatment plant
78% over limit
Discharged 0.293 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2025
Flow, in conduit or thru treatment plant
1252% over limit
Discharged 2.23 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
Flow, in conduit or thru treatment plant
13% over limit
Discharged 0.186 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
83% over limit
Discharged 5.5 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2025
Flow, in conduit or thru treatment plant
50% over limit
Discharged 0.248 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
Flow, in conduit or thru treatment plant
11% over limit
Discharged 0.183 MGD against a permitted limit of 0.165 MGD (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
134% over limit
Discharged 35.1 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
697% over limit
Discharged 23.9 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
128% over limit
Discharged 4.24035996 kg/d against a permitted limit of 1.86139998 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
408% over limit
Discharged 15.23 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 2.84203998 kg/d against a permitted limit of 1.86139998 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)