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Petroleum Refining, Penuelas, Puerto Rico. NPDES permit PR0000345 expired Jul 31, 2024; its limits still apply. Last 12 months: over a limit 8 times (last August 2026), 15 required values missing, 14 of 35 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| April 2026 | 003 | pH, maximum | 8.8 SU | ≤ 8.5 SU | — |
| July 2026 | 001 | Sulfide-hydrogen sulfide [undissociated], daily maximum | < .008 mg/L | ≤ 2 ug/L | 300% |
| July 2026 | 003 | Cyanide, free available, daily maximum | 7 ug/L | ≤ 1 ug/L | 600% |
| July 2026 | 003 | Cyanide, free available, daily maximum | 7 ug/L | ≤ 1 ug/L | 600% |
| July 2026 | 003 | Nickel, total [as Ni], daily maximum | 13 ug/L | ≤ 8.28 ug/L | 57% |
| July 2026 | 003 | Nickel, total [as Ni], daily maximum | 13 ug/L | ≤ 8.28 ug/L | 57% |
| July 2026 | 003 | Turbidity, daily maximum | 23 NTU | ≤ 10 NTU | — |
| August 2026 | 003 | Temperature, water deg. fahrenheit, daily maximum | 94.6 deg F | ≤ 90 deg F | 5% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year | 001 |
| Oxygen, dissolved [DO] | minimum | ≥ 4 mg/L | all year | 001 |
| pH | minimum | ≥ 7.3 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | 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 |
| Silver, total [as Ag] | daily maximum | ≤ 2.24 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .288 MGD | all year | 001 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | ≤ 2 ug/L | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year | 002 |
| Turbidity | daily maximum | ≤ 10 NTU | all year | 002 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | all year | 002 |
| pH | minimum | ≥ 7.3 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | 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 |
| Nitrogen, total [as N] | daily maximum | ≤ 5000 ug/L | all year | 002 |
| Asbestos | daily maximum | report only (MF/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | ≤ 36 ug/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ 8.85 ug/L | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 50.35 ug/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 3.73 ug/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ 8.52 ug/L | all year | 002 |
| Nickel, total [as Ni] | daily maximum | ≤ 8.28 ug/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 85.62 ug/L | all year | 002 |
| Surfactants [MBAS] | daily maximum | ≤ 500 ug/L | all year | 002 |
| Cyanide, free available | daily maximum | ≤ 1 ug/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .051 ug/L | all year | 002 |
| Storm water flow | daily maximum | report only (MGD) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 003 |
| Turbidity | daily maximum | ≤ 10 NTU | all year | 003 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | all year | 003 |
| pH | minimum | ≥ 7.3 SU | all year | 003 |
| pH | maximum | ≤ 8.5 SU | all year | 003 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 003 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | ≤ 5000 ug/L | all year | 003 |
| Asbestos | daily maximum | report only (MF/L) | all year | 003 |
| Arsenic, total [as As] | daily maximum | ≤ 36 ug/L | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | ≤ 8.85 ug/L | all year | 003 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 50.35 ug/L | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ 3.73 ug/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ 8.52 ug/L | all year | 003 |
| Nickel, total [as Ni] | daily maximum | ≤ 8.28 ug/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ 85.62 ug/L | all year | 003 |
| Surfactants [MBAS] | daily maximum | ≤ 500 ug/L | all year | 003 |
| Cyanide, free available | daily maximum | ≤ 1 ug/L | all year | 003 |
| Mercury, total [as Hg] | daily maximum | ≤ .051 ug/L | all year | 003 |
| Storm water flow | daily maximum | report only (MGD) | all year | 003 |
Cited limits by parameter: we hold no rule of Puerto Rico's own; the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/PR0000345 · MCP: https://passage-data.com/mcp