NPDES ID: TX0134911
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: 2 effluent violations.
Violations
May 31, 2026
Mercury, total [as Hg]
7% over limit
Discharged 0.000639 mg/L against a permitted limit of 0.0006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Mercury, total [as Hg]
36% over limit
Discharged 0.000813 mg/L against a permitted limit of 0.0006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Mercury, total [as Hg]
56% over limit
Discharged 0.0004678 mg/L against a permitted limit of 0.0003 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
167% over limit
Discharged 0.0016 mg/L against a permitted limit of 0.0006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
pH
0% over limit
Discharged 5.54 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2025
Mercury, total [as Hg]
32% over limit
Discharged 0.000396 mg/L against a permitted limit of 0.0003 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
78% over limit
Discharged 0.00107 mg/L against a permitted limit of 0.0006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
22% over limit
Discharged 36.6 mg/L against a permitted limit of 30 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)