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Industrial Organic Chemicals, major discharger, Guayanilla, Puerto Rico. NPDES permit PR0000086 expired Jan 31, 2024; its limits still apply. Last 12 months: no values over a limit, 7 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year | 001 |
| Turbidity | daily maximum | ≤ 10 NTU | all year | 001 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year | 001 |
| pH | minimum | ≥ 7.3 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 81.65 kg/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 122.47 kg/d | all year | 001 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | ≤ 5000 ug/L | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ 8.85 ug/L | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ 8.28 ug/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 85.62 ug/L | all year | 001 |
| 2-Methyl-4,6-dinitrophenol | daily maximum | report only (ug/L) | all year | 001 |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year | 001 |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year | 001 |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year | 001 |
| Surfactants [MBAS] | daily maximum | ≤ 500 ug/L | all year | 001 |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .027 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 7.5 ug/L | all year | 001 |
| Cyanide, free available | daily maximum | ≤ 1 ug/L | all year | 001 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | ≤ 2 ug/L | all year | 001 |
| Enterococci | geometric mean | ≤ 35 #/100mL | all year | 001 |
| Enterococci | 90th percentile | ≤ 130 #/100mL | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ .051 ug/L | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 002 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 002 |
| Oxygen, dissolved [DO] | instantaneous minimum | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 7.3 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (ug/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 002 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| 2-Methyl-4,6-dinitrophenol | daily maximum | report only (ug/L) | all year | 002 |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year | 002 |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year | 002 |
| 2,4-Dimethylphenol | daily maximum | report only (ug/L) | all year | 002 |
| 2,4-Dinitrophenol | daily maximum | report only (ug/L) | all year | 002 |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year | 002 |
| Phenol | daily maximum | report only (ug/L) | all year | 002 |
| Surfactants [MBAS] | daily maximum | report only (ug/L) | all year | 002 |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year | 002 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 002 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | report only (ug/L) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 002 |
| Storm water flow | monthly average | report only (MGD) | all year | 002 |
| Storm water flow | weekly average | report only (MGD) | all year | 002 |
Cited limits by parameter: we hold no rule of Puerto Rico's own; the federal ones.
Same industry: the 4 Chemicals and Allied Products permits in Puerto Rico.
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