PRASA COMERIO-RIO HONDO WTP
NPDES ID: PR0026573
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: 4 effluent violations.
Violations
May 31, 2026
Oxygen, dissolved [DO]
61% over limit
Discharged 1.97 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 70 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
2627% over limit
Discharged 0.30000001 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
50% over limit
Discharged 2.52 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
March 31, 2026
Oxygen, dissolved [DO]
52% over limit
Discharged 2.38 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Turbidity
0% over limit
Discharged 290 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
21% over limit
Discharged 0.00446 mg/L against a permitted limit of 0.00369 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.00000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.00000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.00000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.00000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.00000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2900% over limit
Discharged 0.33000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2900% over limit
Discharged 0.33000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2900% over limit
Discharged 0.33000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2900% over limit
Discharged 0.33000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2900% over limit
Discharged 0.33000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
4173% over limit
Discharged 0.47000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
4173% over limit
Discharged 0.47000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
4173% over limit
Discharged 0.47000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
4173% over limit
Discharged 0.47000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
4173% over limit
Discharged 0.47000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 80 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
3536% over limit
Discharged 0.40000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
3536% over limit
Discharged 0.40000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
3536% over limit
Discharged 0.40000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
3536% over limit
Discharged 0.40000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
3536% over limit
Discharged 0.40000002 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
809% over limit
Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
6445% over limit
Discharged 0.72000003 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
809% over limit
Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 310 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
193% over limit
Discharged 0.0108 mg/L against a permitted limit of 0.00369 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chlorine, total residual
2718% over limit
Discharged 0.31000001 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 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
June 30, 2025
Chlorine, total residual
1445% over limit
Discharged 0.17000001 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
67% over limit
Discharged 3.01000014 mg/L against a permitted limit of 1.80000009 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Chlorine, total residual
8809% over limit
Discharged 0.98000005 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Turbidity
0% over limit
Discharged 110 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Turbidity
0% over limit
Discharged 80 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Turbidity
0% over limit
Discharged 180 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Copper, total [as Cu]
39% over limit
Discharged 0.10282 mg/L against a permitted limit of 0.07404 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
188% over limit
Discharged 0.01064 mg/L against a permitted limit of 0.00369 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 700 NTU against a permitted limit of 50 NTU (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
2% over limit
Discharged 4.92 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)