Clean Water Act discharge permit · NPDES PR0025216
PRASA LAS DELICIAS WTP, Ciales, PR: NPDES PR0025216 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 19Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
PRASA LAS DELICIAS WTP, held by PRASA LAS DELICIAS FILTER PLT., holds NPDES permit PR0025216, which discharges to Cialitos River. EPA’s file records it issued April 7, 2017 and expiring June 30, 2022. 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 LAS DELICIAS WTP |
|---|---|
| Permittee as filed | PRASA LAS DELICIAS FILTER PLT. |
| NPDES ID | PR0025216 |
| 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 7, 2017 |
| Expiration date | June 30, 2022 |
| Address | Ciales, PR 00638 |
| Receiving water | CIALITOS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rio Cialitos (HUC 210100020209) |
| 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
- 39Pollutants on file
- 18Under a numeric limit
- 39With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 168 | 154 | February 28, 2013 | 3,900% over the limit |
| Copper, total [as Cu] | 2 | 138 | 122 | July 31, 2010 | 99,999% over the limit |
| Arsenic, total [as As] | 2 | 101 | 93 | July 31, 2010 | 16,011% over the limit |
| Phenolics, total recoverable | 0 | 94 | 86 | June 30, 2008 | 99,999% over the limit |
| Turbidity | 2 | 102 | 84 | October 31, 2022 | |
| Manganese, total [as Mn] | 0 | 80 | 70 | May 31, 2008 | 11,500% over the limit |
| Lead, total [as Pb] | 2 | 79 | 67 | March 31, 2022 | 3,018% over the limit |
| Cadmium, total [as Cd] | 2 | 74 | 61 | January 31, 2017 | 4,150% over the limit |
| Mercury, total [as Hg] | 1 | 74 | 59 | April 30, 2010 | 144,900% over the limit |
| Cyanide, total [as CN] | 0 | 26 | 15 | September 30, 2006 | 1,592% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 56 | 13 | April 30, 2010 | 120% over the limit |
| Phosphorus, total [as P] | 2 | 13 | 10 | December 31, 2025 | 219% over the limit |
| Sulfide, total [as S] | 0 | 21 | 9 | April 30, 2002 | 13,900% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 23 | 5 | December 31, 2024 | 136% over the limit |
| Oxygen, dissolved [DO] | 1 | 20 | 3 | April 30, 2015 | 100% over the limit |
| pH | 2 | 36 | 2 | March 31, 2004 | |
| Temperature, water deg. centigrade | 1 | 19 | 2 | July 31, 2007 | 689% over the limit |
| Color [PT-CO units] | 0 | 13 | 1 | August 31, 2005 | |
| Cyanide, free available | 2 | 2 | 1 | October 31, 2013 | 1,449% over the limit |
| Ammonia & ammonium- total | 1 | 20 | 0 | ||
| Coliform, fecal general | 0 | 20 | 0 | ||
| Solids, settleable | 1 | 18 | 0 | ||
| Fluoride, total [as F] | 0 | 10 | 0 | ||
| Sulfate, total [as SO4] | 2 | 9 | 0 | ||
| Oil & Grease | 0 | 9 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 9 | 0 | ||
| Solids, total dissolved | 1 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 4 | 0 | ||
| Phenol | 0 | 3 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 0 | 3 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 0 | 2 | 0 | ||
| 2-Chlorophenol | 0 | 2 | 0 | ||
| 2,4-Dichlorophenol | 0 | 2 | 0 | ||
| 2,4-Dimethylphenol | 0 | 2 | 0 | ||
| 2,4-Dinitrophenol | 0 | 2 | 0 | ||
| 2,4,6-Trichlorophenol | 0 | 2 | 0 | ||
| Surfactants [MBAS] | 0 | 2 | 0 | ||
| Pentachlorophenol | 0 | 2 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 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 PR0025216.
Inspections
EPA’s inspection file holds no inspection for NPDES PR0025216.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES PR0025216.
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, PR0025216.
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 PR0025216 there.
PRASA LAS DELICIAS WTP, Ciales, Puerto Rico: Individual permit PR0025216, held by PRASA LAS DELICIAS FILTER PLT.; Administratively continued (past its expiration date and still in force until reissued); issued April 7, 2017, term to June 30, 2022; discharges to CIALITOS RIVER.
- Chlorine, total residual: 1 limit, 168 violations of any kind, 154 effluent exceedances, latest February 28, 2013, largest 3,900% over the limit.
- Copper, total [as Cu]: 2 limits, 138 violations of any kind, 122 effluent exceedances, latest July 31, 2010, largest 99,999% over the limit.
- Arsenic, total [as As]: 2 limits, 101 violations of any kind, 93 effluent exceedances, latest July 31, 2010, largest 16,011% over the limit.
- Phenolics, total recoverable: 0 limits, 94 violations of any kind, 86 effluent exceedances, latest June 30, 2008, largest 99,999% over the limit.
- Turbidity: 2 limits, 102 violations of any kind, 84 effluent exceedances, latest October 31, 2022.
- Manganese, total [as Mn]: 0 limits, 80 violations of any kind, 70 effluent exceedances, latest May 31, 2008, largest 11,500% over the limit.
- Lead, total [as Pb]: 2 limits, 79 violations of any kind, 67 effluent exceedances, latest March 31, 2022, largest 3,018% over the limit.
- Cadmium, total [as Cd]: 2 limits, 74 violations of any kind, 61 effluent exceedances, latest January 31, 2017, largest 4,150% over the limit.
- Mercury, total [as Hg]: 1 limit, 74 violations of any kind, 59 effluent exceedances, latest April 30, 2010, largest 144,900% over the limit.
- Cyanide, total [as CN]: 0 limits, 26 violations of any kind, 15 effluent exceedances, latest September 30, 2006, largest 1,592% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 56 violations of any kind, 13 effluent exceedances, latest April 30, 2010, largest 120% over the limit.
- Phosphorus, total [as P]: 2 limits, 13 violations of any kind, 10 effluent exceedances, latest December 31, 2025, largest 219% over the limit.
- Sulfide, total [as S]: 0 limits, 21 violations of any kind, 9 effluent exceedances, latest April 30, 2002, largest 13,900% over the limit.
- BOD, 5-day, 20 deg. C: 2 limits, 23 violations of any kind, 5 effluent exceedances, latest December 31, 2024, largest 136% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 20 violations of any kind, 3 effluent exceedances, latest April 30, 2015, largest 100% over the limit.
- pH: 2 limits, 36 violations of any kind, 2 effluent exceedances, latest March 31, 2004.
- Temperature, water deg. centigrade: 1 limit, 19 violations of any kind, 2 effluent exceedances, latest July 31, 2007, largest 689% over the limit.
- Color [PT-CO units]: 0 limits, 13 violations of any kind, 1 effluent exceedance, latest August 31, 2005.
- Cyanide, free available: 2 limits, 2 violations of any kind, 1 effluent exceedance, latest October 31, 2013, largest 1,449% over the limit.
- Ammonia & ammonium- total: 1 limit, 20 violations of any kind.
- Coliform, fecal general: 0 limits, 20 violations of any kind.
- Solids, settleable: 1 limit, 18 violations of any kind.
- Fluoride, total [as F]: 0 limits, 10 violations of any kind.
- Sulfate, total [as SO4]: 2 limits, 9 violations of any kind.
- Oil & Grease: 0 limits, 9 violations of any kind.
- Coliform, fecal - % samples exceeding limit: 0 limits, 9 violations of any kind.
- Solids, total dissolved: 1 limit, 5 violations of any kind.
- Nitrite + Nitrate total [as N]: 0 limits, 4 violations of any kind.
- Phenol: 0 limits, 3 violations of any kind.
- Nitrogen, ammonia, total [as NH3]: 0 limits, 3 violations of any kind.
- 2-Methyl-4,6-dinitrophenol: 0 limits, 2 violations of any kind.
- 2-Chlorophenol: 0 limits, 2 violations of any kind.
- 2,4-Dichlorophenol: 0 limits, 2 violations of any kind.
- 2,4-Dimethylphenol: 0 limits, 2 violations of any kind.
- 2,4-Dinitrophenol: 0 limits, 2 violations of any kind.
- 2,4,6-Trichlorophenol: 0 limits, 2 violations of any kind.
- Surfactants [MBAS]: 0 limits, 2 violations of any kind.
- Pentachlorophenol: 0 limits, 2 violations of any kind.
- Sulfide-hydrogen sulfide [undissociated]: 0 limits, 1 violation of any kind.
PRASA LAS DELICIAS WTP among its neighbors
3 discharge permits are in the Rio Cialitos subwatershed (HUC 210100020209); PR0025216 is one. Its county: 4, 0 major; PR0025216 is minor permit.
Other permits in the Rio Cialitos subwatershed (HUC 210100020209)
- PRASA MAMEYES ARRIBA WTP, Jayuya: PR0025224, minor, term to 2021-11-30
- PRASA WTP CIALES, Ciales: PR0024180, minor, term to 2021-11-30
Nearby on the register
- Discharge permits in Ciales
- Every permit record in Ciales, 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.
What this page shows
This public-records page covers Clean Water Act NPDES permit PR0025216, held by PRASA LAS DELICIAS FILTER PLT. for the PRASA LAS DELICIAS WTP facility in Ciales, PR, which discharges to the Cialitos River in the Rio Cialitos subwatershed (HUC 210100020209). The page lists a permit status of Administratively continued, a Minor Discharger class, 18 pollutants under a numeric limit, 19 pollutants with an effluent exceedance, and 39 effluent limits and exceedances.