Clean Water Act discharge permit · NPDES PR0000345
COMMONWEALTH OIL REFINING CO., INC., Penuelas, PR: NPDES PR0000345 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 36Pollutants under a numeric limit
- 24Pollutants with an effluent exceedance
COMMONWEALTH OIL REFINING CO., INC., held by COMMONWEALTH OIL PETROCHEMICAL, holds NPDES permit PR0000345, which discharges to Tallaboa Bay. EPA’s file records it issued September 29, 2012 and expiring December 31, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | COMMONWEALTH OIL REFINING CO., INC. |
|---|---|
| Permittee as filed | COMMONWEALTH OIL PETROCHEMICAL |
| NPDES ID | PR0000345 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 29, 2012 |
| Expiration date | December 31, 2017 |
| Address | Penuelas, PR 00624 |
| Receiving water | TALLABOA BAY |
| Subwatershed | Coastal Watersheds West and East of Rio Macana mouth (HUC 210100040208) |
| Other EPA IDs (FRS) | RCRA handler PRD091017228; ICIS-AIR source PR0000007211100003 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 47Pollutants on file
- 36Under a numeric limit
- 47With a violation of any kind
- 24With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 298 | 40 | October 31, 2012 | 6,766% over the limit |
| BOD, 5-day, 20 deg. C | 1 | 108 | 36 | August 31, 1990 | 1,270% over the limit |
| pH | 6 | 291 | 33 | April 30, 2026 | |
| Oil & Grease | 3 | 179 | 27 | September 30, 2007 | 1,080% over the limit |
| Iron, total [as Fe] | 0 | 54 | 18 | August 31, 1990 | 7,122% over the limit |
| Oxygen, dissolved [DO] | 1 | 57 | 15 | May 31, 2000 | 92% over the limit |
| Phenolics, total recoverable | 0 | 56 | 14 | August 31, 1990 | 14,500% over the limit |
| Turbidity | 1 | 128 | 13 | July 31, 2025 | |
| Carbon, tot organic [TOC] | 4 | 229 | 10 | September 30, 2010 | 458% over the limit |
| Zinc, total [as Zn] | 1 | 64 | 10 | August 31, 1990 | 520% over the limit |
| Sulfide, total [as S] | 0 | 56 | 10 | August 31, 1990 | 99,900% over the limit |
| Temperature, water deg. fahrenheit | 0 | 9 | 9 | July 31, 2025 | 8% over the limit |
| Temperature, water deg. centigrade | 3 | 138 | 8 | October 31, 2023 | 99,999% over the limit |
| Lead, total [as Pb] | 1 | 62 | 7 | October 31, 2019 | 300% over the limit |
| Silver, total [as Ag] | 1 | 61 | 5 | August 31, 1990 | 1,900% over the limit |
| Cadmium, total [as Cd] | 1 | 55 | 5 | August 31, 1990 | 210% over the limit |
| Coliform, total general | 0 | 15 | 4 | May 31, 2001 | 2,200% over the limit |
| Copper, total [as Cu] | 1 | 13 | 3 | November 30, 2019 | 409% over the limit |
| Selenium, total [as Se] | 1 | 57 | 2 | February 28, 1990 | 200% over the limit |
| Nickel, total [as Ni] | 1 | 12 | 2 | October 31, 2019 | 588% over the limit |
| Surfactants [MBAS] | 1 | 37 | 1 | August 31, 2007 | 3,300% over the limit |
| Coliform, fecal general | 0 | 24 | 1 | May 31, 2001 | 6,400% over the limit |
| Cyanide, free available | 1 | 23 | 1 | September 30, 2019 | 400% over the limit |
| Sulfide-hydrogen sulfide [undissociated] | 1 | 11 | 1 | October 31, 2023 | 69,900% over the limit |
| Solids, settleable | 3 | 131 | 0 | ||
| Storm water flow | 2 | 99 | 0 | ||
| Color [PT-CO units] | 1 | 94 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 91 | 0 | ||
| Nitrogen, total [as N] | 0 | 66 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 50 | 0 | ||
| Cyanide, total [as CN] | 0 | 46 | 0 | ||
| Mercury, total [as Hg] | 1 | 28 | 0 | ||
| Chromium, total [as Cr] | 0 | 28 | 0 | ||
| Sulfate, total [as SO4] | 2 | 10 | 0 | ||
| Antimony, total [as Sb] | 2 | 10 | 0 | ||
| Toluene | 2 | 10 | 0 | ||
| 2-Chlorophenol | 2 | 10 | 0 | ||
| 2,4,6-Trichlorophenol | 2 | 10 | 0 | ||
| Pentachlorophenol | 2 | 10 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 2 | 10 | 0 | ||
| Nitrogen, Total as NO3 + NH3 | 2 | 10 | 0 | ||
| Arsenic, total [as As] | 1 | 10 | 0 | ||
| Thallium, total [as Tl] | 1 | 10 | 0 | ||
| Benzene | 1 | 10 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 10 | 0 | ||
| Boron, total [as B] | 0 | 10 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 8 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES PR0000345.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, PR0000345.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PR0000345 there.
Nearby on the register
- Discharge permits in Penuelas
- Every permit record in Penuelas, A to Z
- Discharge permits in Puerto Rico
- Every permit record in Puerto Rico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.