TINSMAN, AR WASTEWATER TREATMENT FACILITY

NPDES ID: AR0050661

S — SNC: Compliance schedule violation

The facility missed a deadline in its compliance schedule by more than 90 days.

This quarter: 3 effluent violations.

Violations

April 30, 2026

Solids, total suspended

135% over limit

Discharged 2.45613998 kg/d against a permitted limit of 1.0442 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

1178% over limit

Discharged 255.5 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

752% over limit

Discharged 255.5 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Solids, total suspended

457% over limit

Discharged 167 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

735% over limit

Discharged 167 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 12.17 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

56% over limit

Discharged 1.62985999 kg/d against a permitted limit of 1.0442 kg/d (MO AVG)

DMR, Limited - Numeric Violation

November 30, 2025

pH

0% over limit

Discharged 5.78 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

October 31, 2025

pH

0% over limit

Discharged 2.18 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

September 30, 2025

pH

0% over limit

Discharged 5.83 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

July 31, 2025

pH

0% over limit

Discharged 4.85 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

June 30, 2025

pH

0% over limit

Discharged 3.35 SU against a permitted limit of 6 SU (MINIMUM)

DMR, Limited - Numeric Violation

November 30, 2024

Solids, total suspended

1050% over limit

Discharged 230 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

667% over limit

Discharged 230 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

170% over limit

Discharged 2.81979398 kg/d against a permitted limit of 1.0442 kg/d (MO AVG)

DMR, Limited - Numeric Violation

September 30, 2024

Solids, total suspended

28% over limit

Discharged 38.5 mg/L against a permitted limit of 30 mg/L (7 DA AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

93% over limit

Discharged 38.5 mg/L against a permitted limit of 20 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)