COMMANDER OPERATOR, LLC
NPDES ID: SC0034703
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: 6 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
100% over limit
Discharged 0.3632 kg/d against a permitted limit of 0.1816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
570% over limit
Discharged 6.7 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
235% over limit
Discharged 6.7 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
29% over limit
Discharged 4.28 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
300% over limit
Discharged 0.3632 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
60% over limit
Discharged 1.6 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
69% over limit
Discharged 3.1 mg/L against a permitted limit of 1.83 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
50% over limit
Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, 20 deg. C
14% over limit
Discharged 10.3 mg/L against a permitted limit of 9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1% over limit
Discharged 18.1 mg/L against a permitted limit of 18 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
345% over limit
Discharged 1553.1 MPN/100mL against a permitted limit of 349 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
20% over limit
Discharged 2.2 mg/L against a permitted limit of 1.83 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
160% over limit
Discharged 2.6 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
155% over limit
Discharged 5.1 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
10% over limit
Discharged 5.42 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 0.26786 kg/d against a permitted limit of 0.1816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
195% over limit
Discharged 0.26786 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
95% over limit
Discharged 3.9 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
130% over limit
Discharged 0.208386 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 0.208386 kg/d against a permitted limit of 0.1816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
19% over limit
Discharged 4.87 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
290% over limit
Discharged 3.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
19% over limit
Discharged 2.37 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
329% over limit
Discharged 0.389532 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
137% over limit
Discharged 2.37 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
22% over limit
Discharged 4.66 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
115% over limit
Discharged 0.389532 kg/d against a permitted limit of 0.1816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)