Clean Water Act discharge permit · NPDES PR0022781
PRASA PONCE VIEJA WTP, Ponce, PR: NPDES PR0022781 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 16Pollutants with an effluent exceedance
PRASA PONCE VIEJA WTP, held by PRASA Ponce Vieja WTP, holds NPDES permit PR0022781, which discharges to Portuques River. EPA’s file records it issued November 17, 2017 and expiring January 31, 2023. 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 | PRASA PONCE VIEJA WTP |
|---|---|
| Permittee as filed | PRASA Ponce Vieja WTP |
| NPDES ID | PR0022781 |
| 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 | November 17, 2017 |
| Expiration date | January 31, 2023 |
| Address | Ponce, PR 00731 |
| Receiving water | PORTUQUES RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rio Portugues at Rio Bucana Channel (HUC 210100040307) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 36Pollutants on file
- 14Under a numeric limit
- 36With a violation of any kind
- 16With 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 |
|---|---|---|---|---|---|
| Phenolics, total recoverable | 0 | 78 | 68 | July 31, 2010 | 150,700% over the limit |
| Chlorine, total residual | 1 | 72 | 56 | September 30, 2018 | 35,900% over the limit |
| Arsenic, total [as As] | 2 | 59 | 47 | July 31, 2010 | 162,122% over the limit |
| Copper, total [as Cu] | 2 | 62 | 45 | October 31, 2010 | 1,471% over the limit |
| Oxygen, dissolved [DO] | 1 | 55 | 39 | November 30, 2009 | 68% over the limit |
| Lead, total [as Pb] | 0 | 50 | 36 | October 31, 2010 | 1,376% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 48 | 32 | June 30, 2012 | 564% over the limit |
| Turbidity | 2 | 42 | 26 | October 31, 2010 | |
| BOD, 5-day, 20 deg. C | 0 | 33 | 20 | June 30, 2011 | 99,999% over the limit |
| Cyanide, total [as CN] | 0 | 32 | 17 | May 31, 2016 | 46,054% over the limit |
| Sulfide, total [as S] | 0 | 18 | 8 | September 30, 2009 | 9,900% over the limit |
| Mercury, total [as Hg] | 2 | 13 | 7 | June 30, 2012 | 41,567% over the limit |
| Color [PT-CO units] | 1 | 20 | 4 | January 31, 2019 | |
| Zinc, total [as Zn] | 0 | 11 | 2 | August 31, 1999 | 1,355% over the limit |
| Manganese, total [as Mn] | 0 | 6 | 1 | September 30, 1999 | 1,282% over the limit |
| Sulfide-hydrogen sulfide [undissociated] | 0 | 5 | 1 | February 28, 2017 | 1,700% over the limit |
| Phosphorus, total [as P] | 0 | 66 | 0 | ||
| pH | 2 | 32 | 0 | ||
| Coliform, fecal general | 0 | 22 | 0 | ||
| Temperature, water deg. centigrade | 1 | 16 | 0 | ||
| Solids, settleable | 1 | 16 | 0 | ||
| Ammonia & ammonium- total | 1 | 14 | 0 | ||
| Oil & Grease | 0 | 14 | 0 | ||
| Fluoride, total [as F] | 0 | 11 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 10 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 8 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 0 | 4 | 0 | ||
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 1 | 0 | ||
| Whole Effluent Toxicity [WET] - D. magna | 2 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 0 | 1 | 0 | ||
| 2-Chlorophenol | 0 | 1 | 0 | ||
| 2,4-Dichlorophenol | 0 | 1 | 0 | ||
| 2,4-Dimethylphenol | 0 | 1 | 0 | ||
| 2,4-Dinitrophenol | 0 | 1 | 0 | ||
| 2,4,6-Trichlorophenol | 0 | 1 | 0 | ||
| Pentachlorophenol | 0 | 1 | 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 PR0022781.
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 PR0022781 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.