CABRAS POWER PLANT
NPDES ID: GU0020001
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
January 31, 2026
Iron, total recoverable
200% over limit
Discharged 0.15000001 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Mercury, total recoverable
704% over limit
Discharged 0.00041 mg/L against a permitted limit of 0.000051 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
576% over limit
Discharged 878.3 MPN/100mL against a permitted limit of 130 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
2409% over limit
Discharged 878.3 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total recoverable
1540% over limit
Discharged 0.00041 mg/L against a permitted limit of 0.000025 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Temperature Increase Deg. C
50% over limit
Discharged 1.5 deg C against a permitted limit of 1 deg C (DAILY MX)
DMR, Limited - Numeric Violation
Temperature Increase Deg. C
50% over limit
Discharged 1.5 deg C against a permitted limit of 1 deg C (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Copper, total recoverable
23% over limit
Discharged 0.0038 mg/L against a permitted limit of 0.0031 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Iron, total recoverable
260% over limit
Discharged 0.18000001 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nickel, total recoverable
59% over limit
Discharged 0.013 mg/L against a permitted limit of 0.0082 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
416% over limit
Discharged 0.016 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Enterococci
32% over limit
Discharged 46.2 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Temperature Increase Deg. C
80% over limit
Discharged 1.8 deg C against a permitted limit of 1 deg C (DAILY MX)
DMR, Limited - Numeric Violation
Temperature Increase Deg. C
80% over limit
Discharged 1.8 deg C against a permitted limit of 1 deg C (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Silver total recoverable
4% over limit
Discharged 0.0024 mg/L against a permitted limit of 0.0023 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)