PRASA ANASCO WTP
NPDES ID: PR0022942
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]
225% over limit
Discharged 0.52000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Phosphorus, total [as P]
375% over limit
Discharged 0.76000004 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
375% over limit
Discharged 0.76000004 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
375% over limit
Discharged 0.76000004 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
375% over limit
Discharged 0.76000004 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
375% over limit
Discharged 0.76000004 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Phosphorus, total [as P]
69% over limit
Discharged 0.27000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 0.27000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 0.27000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 0.27000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
69% over limit
Discharged 0.27000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Phosphorus, total [as P]
213% over limit
Discharged 0.50000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
213% over limit
Discharged 0.50000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
213% over limit
Discharged 0.50000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
213% over limit
Discharged 0.50000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
213% over limit
Discharged 0.50000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Phosphorus, total [as P]
231% over limit
Discharged 0.53000003 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Turbidity
0% over limit
Discharged 3600 NTU against a permitted limit of 3000 NTU (MAXIMUM)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
268% over limit
Discharged 0.00877 mg/L against a permitted limit of 0.00238 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
3219% over limit
Discharged 5.31000025 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
1146% over limit
Discharged 1.77000008 mg/L against a permitted limit of 0.14200001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, 20 deg. C
140% over limit
Discharged 12 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Phosphorus, total [as P]
719% over limit
Discharged 1.31000006 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
480% over limit
Discharged 29 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
118% over limit
Discharged 0.00519 mg/L against a permitted limit of 0.00238 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Lead, total [as Pb]
83% over limit
Discharged 0.00435 mg/L against a permitted limit of 0.00238 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
1019% over limit
Discharged 1.79000009 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
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
February 28, 2025
Phosphorus, total [as P]
25% over limit
Discharged 0.20000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Phosphorus, total [as P]
131% over limit
Discharged 0.37000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Phosphorus, total [as P]
12% over limit
Discharged 0.18000001 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Phosphorus, total [as P]
131% over limit
Discharged 0.37000002 mg/L against a permitted limit of 0.16000001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, 5-day, 20 deg. C
160% over limit
Discharged 13 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 (5 hours ago)