ROCKET MATERIALS
NPDES ID: TXG113923
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
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
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Barium, total [as Ba]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 65 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Overdue
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 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Arsenic, total [as As]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.3 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 65 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)