PLYMOUTH ENERGY, LLC
NPDES ID: IA0081248
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: 8 effluent violations.
Violations
May 31, 2026
Chlorine, total residual
776% over limit
Discharged 0.10341394 kg/d against a permitted limit of 0.011804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
639% over limit
Discharged 0.14085259 kg/d against a permitted limit of 0.019068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
953% over limit
Discharged 0.2 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1115% over limit
Discharged 0.145806 mg/L against a permitted limit of 0.012 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
705% over limit
Discharged 0.09497181 kg/d against a permitted limit of 0.011804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1142% over limit
Discharged 0.149 mg/L against a permitted limit of 0.012 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
900% over limit
Discharged 0.19 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
545% over limit
Discharged 0.12301856 kg/d against a permitted limit of 0.019068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
1478% over limit
Discharged 0.189354 mg/L against a permitted limit of 0.012 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
699% over limit
Discharged 0.15240099 kg/d against a permitted limit of 0.019068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
939% over limit
Discharged 0.12267034 kg/d against a permitted limit of 0.011804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1111% over limit
Discharged 0.23 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
1005% over limit
Discharged 0.21 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1397% over limit
Discharged 0.179642 mg/L against a permitted limit of 0.012 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
667% over limit
Discharged 0.14630468 kg/d against a permitted limit of 0.019068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
958% over limit
Discharged 0.12482911 kg/d against a permitted limit of 0.011804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
1005% over limit
Discharged 0.21 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
924% over limit
Discharged 0.12092835 kg/d against a permitted limit of 0.011804 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
667% over limit
Discharged 0.14630468 kg/d against a permitted limit of 0.019068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1357% over limit
Discharged 0.174827 mg/L against a permitted limit of 0.012 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (25 days ago)