ALAMITOS GENERATING STATION
NPDES ID: CA0001139
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations, 1 compliance schedule violation.
Violations
June 30, 2026
Copper, total recoverable
50% over limit
Discharged 0.003 mg/L against a permitted limit of 0.002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 3.12351997 kg/d against a permitted limit of 2.95099998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
53% over limit
Discharged 115 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nickel, total recoverable
3544% over limit
Discharged 0.16400001 mg/L against a permitted limit of 0.0045 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
780% over limit
Discharged 0.0176 mg/L against a permitted limit of 0.002 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
30% over limit
Discharged 9.42503992 kg/d against a permitted limit of 7.26399994 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)