PG AND E DIABLO CANYON POWER PLANT
NPDES ID: CA0003751
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 1 effluent violation, 310 reporting violations.
Violations
June 30, 2026
pH change [range]
0% over limit
Discharged 0.3 SU against a permitted limit of 0.2 SU (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)