NPDES ID: MAG912067
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 4 effluent violations.
Violations
May 31, 2026
Solids, total dissolved [TDS]
140% over limit
Discharged 1200 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
151% over limit
Discharged 577 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total dissolved [TDS]
132% over limit
Discharged 1160 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
211% over limit
Discharged 715 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Chloride, total recoverable
474% over limit
Discharged 1320 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chloride, total recoverable
53% over limit
Discharged 1320 mg/L against a permitted limit of 860 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
444% over limit
Discharged 2720 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chloride, total recoverable
107% over limit
Discharged 477 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
112% over limit
Discharged 1060 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Chloride, total recoverable
147% over limit
Discharged 567 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
114% over limit
Discharged 1070 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chloride, total recoverable
77% over limit
Discharged 408 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
80% over limit
Discharged 900 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total dissolved [TDS]
69% over limit
Discharged 844 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
67% over limit
Discharged 385 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Chloride, total recoverable
58% over limit
Discharged 363 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
54% over limit
Discharged 772 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride, total recoverable
50% over limit
Discharged 344 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
47% over limit
Discharged 736 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total dissolved [TDS]
94% over limit
Discharged 968 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
70% over limit
Discharged 392 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total dissolved [TDS]
110% over limit
Discharged 1050 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
90% over limit
Discharged 438 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Chloride, total recoverable
90% over limit
Discharged 437 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
54% over limit
Discharged 0.008 mg/L against a permitted limit of 0.0052 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
108% over limit
Discharged 1040 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total dissolved [TDS]
96% over limit
Discharged 980 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
84% over limit
Discharged 423 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total dissolved [TDS]
100% over limit
Discharged 1000 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
100% over limit
Discharged 460 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
393% over limit
Discharged 0.075 mg/L against a permitted limit of 0.01521559 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
645% over limit
Discharged 0.17800001 mg/L against a permitted limit of 0.02390799 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
167% over limit
Discharged 615 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
146% over limit
Discharged 1230 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Chloride, total recoverable
253% over limit
Discharged 811 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
248% over limit
Discharged 1740 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
180% over limit
Discharged 0.067 mg/L against a permitted limit of 0.02390799 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
340% over limit
Discharged 0.067 mg/L against a permitted limit of 0.01521559 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total dissolved [TDS]
54% over limit
Discharged 768 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
65% over limit
Discharged 380 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Manganese, total recoverable
251% over limit
Discharged 0.35100002 mg/L against a permitted limit of 0.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
57% over limit
Discharged 784 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
67% over limit
Discharged 385 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Chloride, total recoverable
66% over limit
Discharged 381 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
46% over limit
Discharged 732 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Chloride, total recoverable
65% over limit
Discharged 380 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
90% over limit
Discharged 952 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total dissolved [TDS]
82% over limit
Discharged 912 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
61% over limit
Discharged 371 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Chloride, total recoverable
43% over limit
Discharged 328 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Manganese, total recoverable
96% over limit
Discharged 0.19600001 mg/L against a permitted limit of 0.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved [TDS]
47% over limit
Discharged 736 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, total dissolved [TDS]
104% over limit
Discharged 1020 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride, total recoverable
78% over limit
Discharged 410 mg/L against a permitted limit of 230 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)