MM TIN TOP QUARRY 4

NPDES ID: TX0139483

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

June 30, 2026

Solids, total suspended

272% over limit

Discharged 167.4 mg/L against a permitted limit of 45 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

May 31, 2026

Solids, total suspended

56% over limit

Discharged 70 mg/L against a permitted limit of 45 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

February 28, 2026

pH

0% over limit

Discharged 9.12 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

November 30, 2025

pH

0% over limit

Discharged 9.22 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 16, 2026 (2 hours ago)