Clean Water Act discharge permit · NPDES PR0022594
PRASA WTP MATUYAS FILTER PLANT, Maunabo, PR: NPDES PR0022594 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 31Pollutants under a numeric limit
- 26Pollutants with an effluent exceedance
PRASA WTP MATUYAS FILTER PLANT holds NPDES permit PR0022594, which discharges to Matuyas Creek. EPA’s file records it issued October 25, 2005 and expiring November 30, 2010. 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 WTP MATUYAS FILTER PLANT |
|---|---|
| Permittee as filed | PRASA WTP MATUYAS FILTER PLANT |
| NPDES ID | PR0022594 |
| 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 | October 25, 2005 |
| Expiration date | November 30, 2010 |
| Address | Maunabo, PR 00707 |
| Receiving water | MATUYAS CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rio de Chico at mouth (HUC 210100040508) |
| 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
- 37Pollutants on file
- 31Under a numeric limit
- 36With a violation of any kind
- 26With 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 | 119 | 103 | March 31, 2016 | 2,450% over the limit |
| Lead, total [as Pb] | 1 | 78 | 60 | April 30, 2017 | 6,550% over the limit |
| Arsenic, total [as As] | 2 | 99 | 44 | June 30, 2012 | 6,011% over the limit |
| Chlorine, total residual | 2 | 61 | 36 | August 31, 2015 | 31,900% over the limit |
| Turbidity | 2 | 62 | 24 | December 31, 2015 | |
| Flow, in conduit or thru treatment plant | 2 | 63 | 20 | February 29, 2012 | 525% over the limit |
| Phosphorus, total [as P] | 1 | 53 | 19 | June 30, 2008 | 65,355% over the limit |
| Mercury, total [as Hg] | 1 | 75 | 15 | August 31, 2016 | 1,567% over the limit |
| Phenolics, total recoverable | 0 | 68 | 13 | June 30, 2005 | 4,380% over the limit |
| Oil & Grease | 1 | 88 | 11 | April 30, 2005 | 49,900% over the limit |
| Cadmium, total [as Cd] | 2 | 70 | 11 | April 30, 2010 | 294% over the limit |
| Manganese, total [as Mn] | 0 | 63 | 8 | June 30, 2004 | 83,900% over the limit |
| Sulfide, total [as S] | 0 | 64 | 7 | June 30, 2004 | 900% over the limit |
| Sulfate, total [as SO4] | 0 | 44 | 7 | April 30, 2005 | 3,636% over the limit |
| BOD, 5-day, 20 deg. C | 1 | 47 | 6 | March 31, 1999 | 8,233% over the limit |
| Cyanide, total [as CN] | 2 | 63 | 4 | September 30, 2009 | 1,015% over the limit |
| Oxygen, dissolved [DO] | 1 | 47 | 3 | August 31, 2012 | 16% over the limit |
| Zinc, total [as Zn] | 2 | 45 | 3 | April 30, 2012 | 132% over the limit |
| Coliform, fecal - % samples exceeding limit | 2 | 4 | 2 | September 30, 2008 | 200% over the limit |
| Coliform, fecal general | 2 | 122 | 1 | December 31, 2006 | 350% over the limit |
| pH | 2 | 87 | 1 | June 30, 1998 | |
| Color [PT-CO units] | 2 | 44 | 1 | January 31, 2003 | |
| Temperature, water deg. centigrade | 1 | 44 | 1 | December 31, 2011 | 13% over the limit |
| Fluoride, total [as F] | 2 | 43 | 1 | October 31, 2010 | 12,900% over the limit |
| Nitrogen, ammonia, total [as NH3] | 2 | 11 | 1 | June 30, 2006 | 1,230% over the limit |
| Sulfide-hydrogen sulfide [undissociated] | 2 | 5 | 1 | November 30, 2006 | 50% over the limit |
| Ammonia & ammonium- total | 0 | 44 | 0 | ||
| Solids, settleable | 1 | 42 | 0 | ||
| 2,4,6-Trichlorophenol | 3 | 3 | 0 | ||
| Pentachlorophenol | 3 | 3 | 0 | ||
| Phenols | 3 | 3 | 0 | ||
| 2-Chlorophenol | 3 | 2 | 0 | ||
| 2,4-Dichlorophenol | 3 | 2 | 0 | ||
| 2,4-Dimethylphenol | 3 | 2 | 0 | ||
| 2,4-Dinitrophenol | 3 | 2 | 0 | ||
| Cyanide, free available | 0 | 2 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 3 | 0 | 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 PR0022594.
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, PR0022594.
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 PR0022594 there.
Nearby on the register
- Discharge permits in Maunabo
- Every permit record in Maunabo, 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.