NPDES ID: MO0004936
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 1 effluent violation.
Violations
June 30, 2026
Iron, total recoverable
215% over limit
Discharged 12.6000006 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Iron, total recoverable
10% over limit
Discharged 4.40000021 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
128% over limit
Discharged 9.10000043 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Iron, total recoverable
1208% over limit
Discharged 52.30000248 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
63% over limit
Discharged 6.50000031 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.09 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.22 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Iron, total recoverable
50% over limit
Discharged 6.00000028 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
115% over limit
Discharged 8.60000041 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
13% over limit
Discharged 4.50000021 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Iron, total recoverable
15% over limit
Discharged 4.60000022 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
63% over limit
Discharged 6.50000031 mg/L against a permitted limit of 4.00000019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (5 hours ago)