LA QUINTA PLANT

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)