OZARK BUILDING MATERIALS PLANT 07 KNOX

NPDES ID: MOG490342

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

Violations

March 31, 2026

Solids, total suspended

87% over limit

Discharged 131 mg/L against a permitted limit of 70 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 10.17 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

87% over limit

Discharged 131 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Numeric Violation

December 31, 2025

pH

0% over limit

Discharged 11.12 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

September 30, 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

Solids, settleable

0% over limit

Discharged 0 mg/L against a permitted limit of 0.001 mg/L (MO AVG)

DMR, Limited - Overdue

Solids, settleable

0% over limit

Discharged 0 mg/L against a permitted limit of 0.0015 mg/L (DAILY MX)

DMR, Limited - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

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 70 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

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Overdue

pH

0% over limit

Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)

DMR, Limited - Overdue

June 30, 2025

pH

0% over limit

Discharged 9.62 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

March 31, 2025

pH

0% over limit

Discharged 9.15 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

September 30, 2024

pH

0% over limit

Discharged 12.11 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 77 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

70% over limit

Discharged 119 mg/L against a permitted limit of 70 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

10% over limit

Discharged 77 mg/L against a permitted limit of 70 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Solids, total suspended

70% over limit

Discharged 119 mg/L against a permitted limit of 70 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)