TDJC COFFIELD UNIT
NPDES ID: TX0031577
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 effluent violation.
Violations
April 30, 2026
E. coli
9% over limit
Discharged 435 MPN/100mL against a permitted limit of 399 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
263% over limit
Discharged 1450 MPN/100mL against a permitted limit of 399 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
20% over limit
Discharged 0.12 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
6% over limit
Discharged 0.94 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
November 30, 2025
Oxygen, dissolved [DO]
10% over limit
Discharged 5.4 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
June 30, 2025
Oxygen, dissolved [DO]
25% over limit
Discharged 4.5 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
May 31, 2025
Oxygen, dissolved [DO]
12% over limit
Discharged 5.3 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
March 31, 2025
Oxygen, dissolved [DO]
13% over limit
Discharged 5.2 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
50% over limit
Discharged 0.15 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
160% over limit
Discharged 0.26 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2024
Chlorine, total residual
550% over limit
Discharged 0.65 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
70% over limit
Discharged 0.17 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
July 31, 2024
Chlorine, total residual
68% over limit
Discharged 0.32 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
20% over limit
Discharged 4.8 mg/L against a permitted limit of 6 mg/L (MO MIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)