Clean Water Act discharge permit · NPDES PR0022489
PRASA AIBONITO WTP, Arecibo, PR: NPDES PR0022489 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 17Pollutants with an effluent exceedance
PRASA AIBONITO WTP, held by PRASA WTP AIBONITO, holds NPDES permit PR0022489, which discharges to Rio Aibonito. EPA’s file records it issued April 16, 2014 and expiring June 30, 2019. 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 AIBONITO WTP |
|---|---|
| Permittee as filed | PRASA WTP AIBONITO |
| NPDES ID | PR0022489 |
| 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 | April 16, 2014 |
| Expiration date | June 30, 2019 |
| Address | Arecibo, PR 00916 |
| Receiving water | RIO AIBONITO |
| Subwatershed | Rio Usabon (HUC 210100050704) |
| 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
- 33Pollutants on file
- 14Under a numeric limit
- 33With 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 | 75 | 57 | April 30, 2016 | 4,663% over the limit |
| Phenolics, total recoverable | 0 | 60 | 57 | November 30, 2007 | 12,700% over the limit |
| Oxygen, dissolved [DO] | 1 | 43 | 26 | June 30, 2012 | 100% over the limit |
| Lead, total [as Pb] | 2 | 29 | 22 | February 28, 2015 | 650% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 38 | 20 | May 31, 2026 | 468% over the limit |
| Arsenic, total [as As] | 0 | 17 | 13 | June 30, 2006 | 5,678% over the limit |
| Chlorine, total residual | 1 | 29 | 11 | January 31, 2020 | 5,355% over the limit |
| Turbidity | 2 | 27 | 10 | November 30, 2025 | |
| pH | 2 | 43 | 7 | February 29, 2024 | |
| Zinc, total [as Zn] | 1 | 25 | 7 | June 30, 2019 | 7,553% over the limit |
| Manganese, total [as Mn] | 0 | 11 | 7 | June 30, 2007 | 1,900% over the limit |
| Color [PT-CO units] | 2 | 23 | 6 | June 30, 2025 | |
| Flow, in conduit or thru treatment plant | 3 | 19 | 1 | July 31, 2009 | 254% over the limit |
| Temperature, water deg. centigrade | 1 | 19 | 1 | January 31, 2007 | 5% over the limit |
| Sulfide, total [as S] | 0 | 7 | 1 | December 31, 2002 | 50% over the limit |
| Fluoride, total [as F] | 0 | 5 | 1 | October 31, 2009 | 19,329% over the limit |
| Nitrogen, ammonia, total [as NH3] | 2 | 2 | 1 | June 30, 2008 | 900% over the limit |
| Solids, settleable | 1 | 19 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 6 | 0 | ||
| Ammonia, unionized | 0 | 4 | 0 | ||
| Coliform, fecal general | 0 | 4 | 0 | ||
| Coliform, total general | 0 | 4 | 0 | ||
| Sulfate, total [as SO4] | 2 | 1 | 0 | ||
| Oil & Grease | 0 | 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 | ||
| Phenol | 0 | 1 | 0 | ||
| Pentachlorophenol | 0 | 1 | 0 | ||
| Solids, total dissolved | 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 PR0022489.
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
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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 PR0022489 there.
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- Every permit record in Puerto Rico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.