MACLEAN POWER, L.L.C.
NPDES ID: ALG120469
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
December 31, 2025
Chlorine, total residual
5111% over limit
Discharged 0.99 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.16 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
5264% over limit
Discharged 0.59 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 3.58 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
3082% over limit
Discharged 0.35 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1742% over limit
Discharged 0.35 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
30809% over limit
Discharged 3.4 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.04 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
17795% over limit
Discharged 3.4 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
81479% over limit
Discharged 15.5 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.77 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
140809% over limit
Discharged 15.5 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)