SIERRA FRAC SAND LLC - CEDAR BLUFF PLANT
NPDES ID: LAG490201
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
November 30, 2025
pH
0% over limit
Discharged 5.55 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
pH
0% over limit
Discharged 5.98 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 5.79 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Turbidity
0% over limit
Discharged 0 NTU against a permitted limit of 25 NTU (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)