Clean Water Act discharge permit · NPDES PR0021539
ISLETA MARINA WWTP, Fajardo, PR: NPDES PR0021539 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 19Pollutants with an effluent exceedance
ISLETA MARINA WWTP, held by ISLETA MARINA,INC., holds NPDES permit PR0021539, which discharges to Fajardo Bay. EPA’s file records it issued March 21, 2007 and expiring April 30, 2012. 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 | ISLETA MARINA WWTP |
|---|---|
| Permittee as filed | ISLETA MARINA,INC. |
| NPDES ID | PR0021539 |
| 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 | March 21, 2007 |
| Expiration date | April 30, 2012 |
| Address | Fajardo, PR 00648 |
| Receiving water | Fajardo Bay |
| SIC | 4952 – Sewerage Systems |
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
- 22Pollutants on file
- 20Under a numeric limit
- 22With a violation of any kind
- 19With 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 |
|---|---|---|---|---|---|
| Sulfide, total [as S] | 1 | 113 | 65 | December 31, 2025 | 371,900% over the limit |
| Enterococci | 1 | 152 | 63 | December 31, 2025 | 147,700% over the limit |
| pH | 2 | 181 | 61 | December 31, 2025 | |
| Nitrogen, inorganic total | 1 | 70 | 49 | February 29, 2012 | 485,900% over the limit |
| BOD, 5-day, percent removal | 1 | 94 | 37 | December 31, 2025 | 567% over the limit |
| Nitrogen, total [as N] | 0 | 66 | 37 | December 31, 2025 | 231,900% over the limit |
| Oxygen, dissolved [DO] | 1 | 92 | 33 | September 30, 2025 | 95% over the limit |
| Chlorine, total residual | 1 | 94 | 32 | December 31, 2025 | 11,367% over the limit |
| Solids, suspended percent removal | 1 | 88 | 31 | December 31, 2025 | 567% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 145 | 21 | June 30, 2025 | 226% over the limit |
| Coliform, fecal - % samples exceeding limit | 1 | 61 | 21 | December 31, 2015 | 400% over the limit |
| Coliform, fecal general | 1 | 54 | 21 | August 31, 2017 | 99,999% over the limit |
| Turbidity | 1 | 82 | 20 | October 31, 2025 | |
| Temperature, water deg. centigrade | 1 | 81 | 20 | November 30, 2025 | 150% over the limit |
| Solids, total suspended | 2 | 140 | 14 | April 30, 2023 | 1,250% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 77 | 12 | July 31, 2022 | 1,360% over the limit |
| Coliform, total general | 0 | 6 | 5 | January 31, 2007 | 99,999% over the limit |
| Fluoride, total [as F] | 1 | 42 | 2 | February 29, 2012 | 7,043% over the limit |
| Surfactants [MBAS] | 1 | 70 | 1 | October 31, 2021 | 19% over the limit |
| Oil & Grease | 1 | 62 | 0 | ||
| Color [PT-CO units] | 1 | 61 | 0 | ||
| Solids, settleable | 1 | 61 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 28, 2019 | Effluent Violations - Numeric effluent violation | EP6 |
| September 14, 2017 | Management Practice Violations - Failure to Maintain Records | EP6 |
| September 14, 2017 | Management Practice Violations - Improper Operation and Maintenance | 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.
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, PR0021539.
Start the watch
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- One watershed — $2,990/year
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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 PR0021539 there.
Nearby on the register
- Discharge permits in Fajardo
- Every permit record in Fajardo, 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.