BRIAR CREEK WWTP
NPDES ID: TX0117315
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
Phosphorus, total [as P]
31% over limit
Discharged 1.31 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
347% over limit
Discharged 8.94 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
58% over limit
Discharged 23.7 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
31% over limit
Discharged 2.76 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
149% over limit
Discharged 4.17679996 kg/d against a permitted limit of 1.6798 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Flow, in conduit or thru treatment plant
28% over limit
Discharged 0.282 MGD against a permitted limit of 0.22 MGD (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
43% over limit
Discharged 2.3 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
51% over limit
Discharged 1.97 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
93% over limit
Discharged 3.86 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
146% over limit
Discharged 12.3 mg/L against a permitted limit of 5 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
153% over limit
Discharged 1011.2 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
21% over limit
Discharged 1.21 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
39% over limit
Discharged 1.13953999 kg/d against a permitted limit of 0.8172 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
163% over limit
Discharged 10.98679991 kg/d against a permitted limit of 4.1768 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 30.6 mg/L against a permitted limit of 30 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
86% over limit
Discharged 27.9 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
510% over limit
Discharged 12.2 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
322% over limit
Discharged 7.08239994 kg/d against a permitted limit of 1.6798 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
172% over limit
Discharged 5.44 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 2.88289998 kg/d against a permitted limit of 1.6798 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
4% over limit
Discharged 1.74789999 kg/d against a permitted limit of 1.6798 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
63% over limit
Discharged 3.25 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
13062% over limit
Discharged 221.09799814 kg/d against a permitted limit of 1.6798 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
800% over limit
Discharged 7.35479994 kg/d against a permitted limit of 0.8172 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2704% over limit
Discharged 117.13199902 kg/d against a permitted limit of 4.1768 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
3183% over limit
Discharged 137.10799885 kg/d against a permitted limit of 4.1768 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
22% over limit
Discharged 18.3 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
131% over limit
Discharged 920.8 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
255% over limit
Discharged 7.1 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
Oxygen, dissolved [DO]
28% over limit
Discharged 2.9 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
December 31, 2024
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Overdue
October 31, 2024
Chlorine, total residual
19% over limit
Discharged 4.76 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
45% over limit
Discharged 5.8 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
August 31, 2024
Chlorine, total residual
33% over limit
Discharged 5.31 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
56% over limit
Discharged 0.44 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)