PRASA MAIZALES WTP

NPDES ID: PR0026905

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: 5 effluent violations.

Violations

June 30, 2026

Temperature, water deg. centigrade

6% over limit

Discharged 31.9 deg C against a permitted limit of 30 deg C (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

494% over limit

Discharged 0.95000005 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

1452% over limit

Discharged 0.00776 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

May 31, 2026

Lead, total [as Pb]

66% over limit

Discharged 0.00083 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

1569% over limit

Discharged 2.67000013 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

March 31, 2026

Lead, total [as Pb]

202% over limit

Discharged 0.00151 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

202% over limit

Discharged 0.00151 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

202% over limit

Discharged 0.00151 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

202% over limit

Discharged 0.00151 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

202% over limit

Discharged 0.00151 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

3181% over limit

Discharged 5.25000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

3181% over limit

Discharged 5.25000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

3181% over limit

Discharged 5.25000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

3181% over limit

Discharged 5.25000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

3181% over limit

Discharged 5.25000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2026

Phosphorus, total [as P]

125% over limit

Discharged 0.36000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

125% over limit

Discharged 0.36000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

125% over limit

Discharged 0.36000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

125% over limit

Discharged 0.36000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

125% over limit

Discharged 0.36000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Lead, total [as Pb]

150% over limit

Discharged 0.00125 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

150% over limit

Discharged 0.00125 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

150% over limit

Discharged 0.00125 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

150% over limit

Discharged 0.00125 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

150% over limit

Discharged 0.00125 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

2550% over limit

Discharged 4.2400002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

2550% over limit

Discharged 4.2400002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

2550% over limit

Discharged 4.2400002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

2550% over limit

Discharged 4.2400002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

2550% over limit

Discharged 4.2400002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Zinc, total [as Zn]

58% over limit

Discharged 0.0791 mg/L against a permitted limit of 0.05016 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Lead, total [as Pb]

198% over limit

Discharged 0.00149 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Zinc, total [as Zn]

8% over limit

Discharged 0.054 mg/L against a permitted limit of 0.05016 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

October 31, 2025

Zinc, total [as Zn]

58% over limit

Discharged 0.0792 mg/L against a permitted limit of 0.05016 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Lead, total [as Pb]

28% over limit

Discharged 0.00064 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

713% over limit

Discharged 1.30000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

713% over limit

Discharged 1.30000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

713% over limit

Discharged 1.30000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

713% over limit

Discharged 1.30000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Phosphorus, total [as P]

713% over limit

Discharged 1.30000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2024

Turbidity

0% over limit

Discharged 90 NTU against a permitted limit of 50 NTU (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

Turbidity

0% over limit

Discharged 95 NTU against a permitted limit of 50 NTU (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)