NPDES ID: TX0128015
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
March 31, 2026
Whole Effluent Toxicity [WET] - C. dubia
Limit violation
Discharged 81 % against a permitted limit of 81 % (7 DA MIN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - C. dubia
Limit violation
Discharged 81 % against a permitted limit of 81 % (MO AV MN)
DMR, Limited - Numeric Violation
February 28, 2026
Zinc, total [as Zn]
35% over limit
Discharged 0.338 mg/L against a permitted limit of 0.25 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
21% over limit
Discharged 0.639 mg/L against a permitted limit of 0.53 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Zinc, total [as Zn]
17% over limit
Discharged 0.622 mg/L against a permitted limit of 0.53 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Zinc, total [as Zn]
36% over limit
Discharged 0.74001999 kg/d against a permitted limit of 0.5448 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
60% over limit
Discharged 0.85 mg/L against a permitted limit of 0.53 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
12% over limit
Discharged 0.28 mg/L against a permitted limit of 0.25 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
Whole Effluent Toxicity [WET] - C. dubia
67% over limit
Discharged 26.76 % against a permitted limit of 81 % (7 DA MIN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - C. dubia
67% over limit
Discharged 26.76 % against a permitted limit of 81 % (MO AV MN)
DMR, Limited - Numeric Violation
March 31, 2025
Whole Effluent Toxicity [WET] - C. dubia
79% over limit
Discharged 17 % against a permitted limit of 81 % (MO AV MN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - C. dubia
79% over limit
Discharged 17 % against a permitted limit of 81 % (7 DA MIN)
DMR, Limited - Numeric Violation
December 31, 2024
Whole Effluent Toxicity [WET] - C. dubia
90% over limit
Discharged 8.5 % against a permitted limit of 81 % (7 DA MIN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - C. dubia
90% over limit
Discharged 8.5 % against a permitted limit of 81 % (MO AV MN)
DMR, Limited - Numeric Violation
October 31, 2024
BOD, carbonaceous [5 day, 20 C]
1% over limit
Discharged 26.15039978 kg/d against a permitted limit of 25.87799978 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
59% over limit
Discharged 39.8 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
7% over limit
Discharged 11.16839991 kg/d against a permitted limit of 10.44199991 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
127% over limit
Discharged 22.7 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, carbonaceous [5 day, 20 C]
21% over limit
Discharged 31.23519974 kg/d against a permitted limit of 25.87799978 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
42% over limit
Discharged 14.2 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
74% over limit
Discharged 43.4 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)