PRASA MATRULLAS WTP

NPDES ID: PR0026808

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 3 effluent violations.

Violations

June 30, 2026

Copper, total [as Cu]

36% over limit

Discharged 0.01159 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2026

Copper, total [as Cu]

321% over limit

Discharged 0.03581 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

BOD, 5-day, 20 deg. C

270% over limit

Discharged 18.5 mg/L against a permitted limit of 5 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Copper, total [as Cu]

34% over limit

Discharged 0.01135 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

34% over limit

Discharged 0.01135 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

34% over limit

Discharged 0.01135 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

34% over limit

Discharged 0.01135 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

34% over limit

Discharged 0.01135 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Copper, total [as Cu]

86% over limit

Discharged 0.01582 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

86% over limit

Discharged 0.01582 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

86% over limit

Discharged 0.01582 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

86% over limit

Discharged 0.01582 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Copper, total [as Cu]

86% over limit

Discharged 0.01582 mg/L against a permitted limit of 0.0085 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

BOD, 5-day, 20 deg. C

20% over limit

Discharged 6 mg/L against a permitted limit of 5 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (3 hours ago)