NELSON BROS READY MIX NORTHLAKE
NPDES ID: TXG113657
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 9.93 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
LC50 Pass/Fail Static 24Hr Acute D. Pulex
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)
DMR, Monitor Only - Overdue
February 28, 2025
pH
0% over limit
Discharged 11.46 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 11.25 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 10 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 11.24 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (7 hours ago)