MAIN PLANT
NPDES ID: TX0136905
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 10 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
118% over limit
Discharged 49.03199959 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
46% over limit
Discharged 17.54 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
44% over limit
Discharged 573 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
385% over limit
Discharged 611.5 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
20% over limit
Discharged 0.595 MGD against a permitted limit of 0.495 MGD (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
14% over limit
Discharged 64.06393946 kg/d against a permitted limit of 56.29599953 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 240.95595798 kg/d against a permitted limit of 168.88799858 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
186% over limit
Discharged 34.26 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
77% over limit
Discharged 223 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
12% over limit
Discharged 0.553 MGD against a permitted limit of 0.495 MGD (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
12076% over limit
Discharged 15342 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
221% over limit
Discharged 38.5 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1526% over limit
Discharged 6488 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
117% over limit
Discharged 65 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
4% over limit
Discharged 93.5 mg/L against a permitted limit of 90 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
230% over limit
Discharged 39.63 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 81.96969931 kg/d against a permitted limit of 56.29599953 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
2326% over limit
Discharged 9678 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
155% over limit
Discharged 76.5 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
7581% over limit
Discharged 9678 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
90% over limit
Discharged 42.60789964 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
E. coli
2326% over limit
Discharged 9678 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
119% over limit
Discharged 49.31347959 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
106% over limit
Discharged 61.75 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
13342% over limit
Discharged 16937 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
192% over limit
Discharged 35.03 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 82.31019931 kg/d against a permitted limit of 56.29599953 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, carbonaceous [5 day, 20 C]
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
60% over limit
Discharged 35.9931197 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
247% over limit
Discharged 41.68 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
7581% over limit
Discharged 9678 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
2326% over limit
Discharged 9678 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
58% over limit
Discharged 18.99 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 112.5 mg/L against a permitted limit of 90 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
66% over limit
Discharged 49.75 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
246% over limit
Discharged 1379 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
3198% over limit
Discharged 4156 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
2% over limit
Discharged 12.2 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
15% over limit
Discharged 13.78 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
27% over limit
Discharged 15.2 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
91% over limit
Discharged 241 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
281% over limit
Discharged 480 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
25% over limit
Discharged 14.96 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli
1078% over limit
Discharged 1484 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 29.92313975 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
21% over limit
Discharged 36.4 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
119% over limit
Discharged 26.32 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
37% over limit
Discharged 548 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
188% over limit
Discharged 34.53 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1113% over limit
Discharged 4839 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
3740% over limit
Discharged 4839 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
71% over limit
Discharged 38.33121968 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
61% over limit
Discharged 36.1565597 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
2552% over limit
Discharged 3341 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
70% over limit
Discharged 51 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
174% over limit
Discharged 32.83 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
362% over limit
Discharged 1842 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
February 28, 2025
E. coli
1113% over limit
Discharged 4839 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
3740% over limit
Discharged 4839 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
71% over limit
Discharged 38.32213968 kg/d against a permitted limit of 22.47299981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
195% over limit
Discharged 35.38 mg/L against a permitted limit of 12 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
127% over limit
Discharged 68 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
32% over limit
Discharged 74.20629938 kg/d against a permitted limit of 56.29599953 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
E. coli
1113% over limit
Discharged 4839 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
3740% over limit
Discharged 4839 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
42% over limit
Discharged 79.77687933 kg/d against a permitted limit of 56.29599953 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
147% over limit
Discharged 74.2 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, 5-day, 20 deg. C
48% over limit
Discharged 44.5 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1113% over limit
Discharged 4839 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
3740% over limit
Discharged 4839 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
73% over limit
Discharged 689 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
2094% over limit
Discharged 2764 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
317% over limit
Discharged 525 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
197% over limit
Discharged 374.67 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 90.16 mg/L against a permitted limit of 90 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)