Clean Water Act discharge permit · NPDES PR0022578
PRASA GUAYAMA WTP, Guayama, PR: NPDES PR0022578 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 17Pollutants with an effluent exceedance
PRASA GUAYAMA WTP holds NPDES permit PR0022578, which discharges to Guamani 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PRASA GUAYAMA WTP |
|---|---|
| Permittee as filed | PRASA GUAYAMA WTP |
| NPDES ID | PR0022578 |
| 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 | Guayama, PR 00654 |
| Receiving water | GUAMANI RIVER |
| Subwatershed | Quebrada Corazon at mouth (HUC 210100040503) |
| SIC | 4941 – Water Supply |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 36Pollutants on file
- 16Under a numeric limit
- 36With a violation of any kind
- 17With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 2 | 136 | 122 | June 30, 2025 | 21,300% over the limit |
| Chlorine, total residual | 1 | 129 | 118 | March 31, 2020 | 28,700% over the limit |
| Turbidity | 2 | 100 | 87 | March 31, 2026 | |
| Lead, total [as Pb] | 1 | 83 | 76 | June 30, 2025 | 7,982% over the limit |
| BOD, 5-day, 20 deg. C | 1 | 71 | 59 | December 31, 2025 | 99,999% over the limit |
| Cyanide, total [as CN] | 0 | 35 | 19 | December 31, 2016 | 304% over the limit |
| Zinc, total [as Zn] | 0 | 24 | 18 | October 31, 2009 | 2,440% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 25 | 11 | July 31, 2012 | 98,724% over the limit |
| Ammonia & ammonium- total | 1 | 23 | 9 | March 31, 2026 | 378% over the limit |
| Manganese, total [as Mn] | 0 | 15 | 9 | September 30, 2003 | 70,840% over the limit |
| Color [PT-CO units] | 1 | 20 | 8 | August 31, 2025 | |
| Sulfide, total [as S] | 0 | 19 | 8 | November 30, 2006 | 99,900% over the limit |
| Phenolics, total recoverable | 0 | 13 | 7 | September 30, 2003 | 4,490% over the limit |
| Nitrite + Nitrate total [as N] | 0 | 9 | 3 | January 31, 2010 | 2,670% over the limit |
| pH | 2 | 30 | 2 | July 31, 2025 | |
| Temperature, water deg. centigrade | 1 | 16 | 2 | August 31, 2021 | 3% over the limit |
| Fluoride, total [as F] | 0 | 7 | 2 | December 31, 2003 | 12,043% over the limit |
| Oxygen, dissolved [DO] | 1 | 14 | 0 | ||
| Solids, settleable | 1 | 14 | 0 | ||
| Sulfate, total [as SO4] | 1 | 9 | 0 | ||
| Ammonia nitrogen, total, [as N] 30 day | 0 | 8 | 0 | ||
| Oil & Grease | 0 | 6 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 5 | 0 | ||
| 2,4-Dichlorophenol | 0 | 5 | 0 | ||
| 2,4-Dimethylphenol | 0 | 4 | 0 | ||
| 2,4-Dinitrophenol | 0 | 4 | 0 | ||
| 2,4,6-Trichlorophenol | 0 | 4 | 0 | ||
| Pentachlorophenol | 0 | 4 | 0 | ||
| Coliform, fecal general | 0 | 4 | 0 | ||
| Coliform, total general | 0 | 4 | 0 | ||
| Cyanide, free available | 1 | 3 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 0 | 3 | 0 | ||
| 2-Chlorophenol | 0 | 3 | 0 | ||
| Phenols | 0 | 3 | 0 | ||
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 2 | 0 | ||
| Whole Effluent Toxicity [WET] - D. magna | 2 | 2 | 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 PR0022578.
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 PR0022578 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.