Clean Water Act discharge permit · NPDES PR0026905
PRASA MAIZALES WTP, Naguabo, PR: NPDES PR0026905 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
PRASA MAIZALES WTP, held by PRASA Maizales WTP, holds NPDES permit PR0026905, which discharges to Cubuy 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 MAIZALES WTP |
|---|---|
| Permittee as filed | PRASA Maizales WTP |
| NPDES ID | PR0026905 |
| 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 | Naguabo, PR 00744 |
| Receiving water | Cubuy River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rio Blanco near mouth (HUC 210100050202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 14Under a numeric limit
- 17With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 82 | 74 | December 31, 2017 | 93,209% over the limit |
| Copper, total [as Cu] | 2 | 74 | 66 | April 30, 2019 | 3,363% over the limit |
| Lead, total [as Pb] | 3 | 61 | 53 | June 30, 2026 | 1,452% over the limit |
| Phosphorus, total [as P] | 1 | 33 | 25 | June 30, 2026 | 3,900% over the limit |
| Zinc, total [as Zn] | 2 | 27 | 19 | December 31, 2025 | 265% over the limit |
| Turbidity | 1 | 22 | 14 | December 31, 2024 | |
| Chlorine, total residual | 1 | 15 | 7 | April 30, 2024 | 718% over the limit |
| Temperature, water deg. centigrade | 1 | 9 | 1 | June 30, 2026 | 6% over the limit |
| Oxygen, dissolved [DO] | 1 | 9 | 1 | April 30, 2011 | 7% over the limit |
| Ammonia nitrogen, total, [as N] 30 day | 0 | 8 | 1 | December 31, 2013 | 148% over the limit |
| pH | 2 | 16 | 0 | ||
| Ammonia & ammonium- total | 1 | 9 | 0 | ||
| Solids, settleable | 1 | 8 | 0 | ||
| Solids, total dissolved | 2 | 6 | 0 | ||
| Color [PT-CO units] | 0 | 5 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 5 | 0 | ||
| Sulfate, total [as SO4] | 2 | 4 | 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 PR0026905.
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, PR0026905.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 PR0026905 there.
Nearby on the register
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- Every permit record in Puerto Rico, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.