PRASA MAGINAS WTP

NPDES ID: PR0026727

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: 1 effluent violation.

Violations

May 31, 2026

Phosphorus, total [as P]

36% over limit

Discharged 5.74000027 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Phosphorus, total [as P]

10% over limit

Discharged 4.64000022 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2025

Chlorine, total residual

718% over limit

Discharged 0.09 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2025

Chlorine, total residual

173% over limit

Discharged 0.03 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

June 30, 2025

Color [PT-CO units]

0% over limit

Discharged 30 col unit (pc) against a permitted limit of 15 col unit (pc) (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

178% over limit

Discharged 18.9 mg/L against a permitted limit of 6.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

5% over limit

Discharged 4.42000021 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2025

BOD, 5-day, 20 deg. C

238% over limit

Discharged 23 mg/L against a permitted limit of 6.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

Phosphorus, total [as P]

120% over limit

Discharged 9.29000044 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

1915% over limit

Discharged 137 mg/L against a permitted limit of 6.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2024

Turbidity

0% over limit

Discharged 800 NTU against a permitted limit of 765 NTU (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

132% over limit

Discharged 9.80000047 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

91% over limit

Discharged 13 mg/L against a permitted limit of 6.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2024

Phosphorus, total [as P]

16% over limit

Discharged 4.88000023 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

September 30, 2024

Phosphorus, total [as P]

88% over limit

Discharged 7.92000038 mg/L against a permitted limit of 4.2240002 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

62% over limit

Discharged 11 mg/L against a permitted limit of 6.8 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

273% over limit

Discharged 0.041 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)