Clean Water Act discharge permit · NPDES PR0001147
PUERTO RICO ELECTRIC PWR AUTH- COSTA, Guayanilla, PR: NPDES PR0001147 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
PUERTO RICO ELECTRIC PWR AUTH- COSTA, held by PUERTO RICO ELECTRIC PWR AUTH - Costa, holds NPDES permit PR0001147, which discharges to Bahia Guayanilla. EPA’s file records it issued August 13, 2009 and expiring September 30, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PUERTO RICO ELECTRIC PWR AUTH- COSTA |
|---|---|
| Permittee as filed | PUERTO RICO ELECTRIC PWR AUTH - Costa |
| NPDES ID | PR0001147 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 13, 2009 |
| Expiration date | September 30, 2014 |
| Address | Guayanilla, PR 00731 |
| Receiving water | BAHIA GUAYANILLA |
| Subwatershed | Coastal Watersheds West and East of Rio Macana mouth (HUC 210100040208) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler PRD980644504; ICIS-AIR source PR0000007205900010 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 24Pollutants on file
- 16Under a numeric limit
- 22With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Chlorine, free available | 6 | 159 | 49 | April 30, 2024 | 549,999,870% over the limit |
| Iron, total [as Fe] | 2 | 115 | 41 | November 30, 2023 | 2,500% over the limit |
| Copper, total [as Cu] | 4 | 120 | 40 | October 31, 2023 | 277,319% over the limit |
| Temperature, water deg. centigrade | 3 | 82 | 36 | August 31, 2009 | 7,146% over the limit |
| Solids, total suspended | 11 | 365 | 31 | May 31, 2025 | 7,516% over the limit |
| pH | 18 | 249 | 9 | July 31, 2025 | |
| Zinc, total [as Zn] | 6 | 173 | 8 | January 31, 2008 | 240% over the limit |
| Turbidity | 3 | 15 | 8 | April 30, 2022 | |
| Oxygen demand, chem. [high level] [COD] | 0 | 82 | 5 | August 31, 2002 | 680% over the limit |
| Oxygen, dissolved [DO] | 3 | 33 | 3 | October 31, 2017 | 100% over the limit |
| Oil & Grease | 14 | 337 | 2 | February 28, 1995 | 99% over the limit |
| Chlorine, total residual | 0 | 53 | 2 | April 30, 2024 | 130% over the limit |
| Temperature, length of excursion | 0 | 45 | 2 | August 31, 2021 | 2,050% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 163 | 1 | November 30, 2012 | 5,775% over the limit |
| Polychlorinated biphenyls [PCBs] | 4 | 167 | 0 | ||
| Chromium, total [as Cr] | 6 | 80 | 0 | ||
| Flow, Excluding Stormwater Discharge | 0 | 40 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 32 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 26 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 14 | 0 | ||
| Whole Effluent Toxicity [WET] - M. beryllina | 0 | 2 | 0 | ||
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | 0 | 2 | 0 | ||
| Color [PT-CO units] | 3 | 0 | 0 | ||
| Solids, settleable | 3 | 0 | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 18, 2022 | Effluent Violations - Numeric effluent violation | EP6 |
| May 18, 2022 | Management Practice Violations - Best Management Practice Deficiencies | EP6 |
| May 18, 2022 | Management Practice Violations - Improper Operation and Maintenance | EP6 |
| June 22, 2021 | Effluent Violations - Numeric effluent violation | EP6 |
| February 27, 2018 | Effluent Violations - Numeric effluent violation | EP6 |
| February 27, 2018 | Permit Violations - Violation Specified in Comment | EP6 |
| February 27, 2018 | Monitoring Violations - Improper Analysis or Lab Error | EP6 |
| February 27, 2018 | Monitoring Violations - Invalid/Unrepresentative Sample | EP6 |
| August 16, 2017 | Effluent Violations - Numeric effluent violation | EP6 |
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.
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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 PR0001147 there.
Nearby on the register
- Discharge permits in Guayanilla
- Every permit record in Guayanilla, 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 October 14, 2026.