PRASA VEGA BAJA WWTP
NPDES ID: PR0021679
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: 9 effluent violations.
Violations
June 30, 2026
Nitrogen, total [as N]
517% over limit
Discharged 10.4900005 mg/L against a permitted limit of 1.70000008 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
1208% over limit
Discharged 1700 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
35% over limit
Discharged 0.48 mg/L against a permitted limit of 0.3548 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
4300% over limit
Discharged 1540 MPN/100mL against a permitted limit of 35 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, total [as N]
278% over limit
Discharged 6.4200003 mg/L against a permitted limit of 1.70000008 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
1208% over limit
Discharged 1700 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
884% over limit
Discharged 3.49 mg/L against a permitted limit of 0.3548 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
169% over limit
Discharged 94 MPN/100mL against a permitted limit of 35 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total dissolved
14% over limit
Discharged 570 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total dissolved
2% over limit
Discharged 510 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total dissolved
10% over limit
Discharged 550 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
33% over limit
Discharged 16 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total dissolved
10% over limit
Discharged 550 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total dissolved
4% over limit
Discharged 520 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total dissolved
4% over limit
Discharged 520 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total dissolved
6% over limit
Discharged 530 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total dissolved
6% over limit
Discharged 530 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total dissolved
20% over limit
Discharged 600 mg/L against a permitted limit of 500 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (3 hours ago)