ARGOS PUERTO RICO CORPORATION
NPDES ID: PR0001163
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
February 28, 2026
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.14 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)
DMR, Limited - Overdue
Enterococci
0% over limit
Discharged 4900 MPN/100mL against a permitted limit of 0 MPN/100mL (90TH %)
DMR, Monitor Only - Overdue
Surfactants [MBAS]
0% over limit
Discharged 0.00003 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Sulfates, total [as SO4]
0% over limit
Discharged 34.6 mg/L against a permitted limit of 250 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 4900 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.3 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Color [PT-CO units]
0% over limit
Discharged 15 col unit (pc) against a permitted limit of 30 col unit (pc) (DAILY MX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0.1 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 24 deg C against a permitted limit of 32.2 deg C (DAILY MX)
DMR, Limited - Overdue
Turbidity
0% over limit
Discharged 5.8 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.3 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
September 30, 2025
Enterococci
2414% over limit
Discharged 880 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Enterococci
577% over limit
Discharged 880 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Numeric Violation
July 31, 2025
Sulfate, total [as SO4]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Turbidity
0% over limit
Discharged 0 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 32.2 deg C (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.013 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Ammonia & ammonium- total
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Surfactants [MBAS]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Overdue
Color [PT-CO units]
0% over limit
Discharged 0 col unit (pc) against a permitted limit of 15 col unit (pc) (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0114 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
November 30, 2024
Enterococci
6414% over limit
Discharged 2280 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Enterococci
2528% over limit
Discharged 3416 MPN/100mL against a permitted limit of 130 MPN/100mL (90TH %)
DMR, Limited - Numeric Violation
September 30, 2024
Enterococci
2357% over limit
Discharged 860 MPN/100mL against a permitted limit of 35 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)