NPDES PR0024660 · Clean Water Act
PRASA RANCHERAS WTP, Yauco, PR: NPDES PR0024660 discharge permit, effluent exceedances, inspections, penalties
PRASA RANCHERAS WTP, Yauco, Puerto Rico: Individual permit PR0024660, held by PRASA RANCHERAS FILTER PLANT; Administratively continued; issued June 28, 2018, term to July 31, 2023; discharges to RANCHERAS CREEK.
1 of the 39 pollutants listed for NPDES PR0024660 have no violation or effluent exceedance.
- Turbidity: 2 limits, 151 violations of any kind, 131 effluent exceedances, latest July 31, 2012.
- Copper, total [as Cu]: 2 limits, 145 violations of any kind, 124 effluent exceedances, latest July 31, 2012, largest 5,433% over the limit.
- Chlorine, total residual: 1 limit, 109 violations of any kind, 87 effluent exceedances, latest February 28, 2019, largest 445% over the limit.
- Iron, total [as Fe]: 0 limits, 87 violations of any kind, 85 effluent exceedances, latest August 31, 2002, largest 32,233% over the limit.
- Phosphorus, total [as P]: 2 limits, 84 violations of any kind, 59 effluent exceedances, latest June 30, 2020, largest 169,900% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 63 violations of any kind, 41 effluent exceedances, latest July 31, 2012, largest 7,318% over the limit.
- Phenolics, total recoverable: 0 limits, 43 violations of any kind, 24 effluent exceedances, latest September 30, 2008, largest 47,700% over the limit.
- BOD, 5-day, 20 deg. C: 2 limits, 43 violations of any kind, 19 effluent exceedances, latest March 31, 2026, largest 900% over the limit.
- Lead, total [as Pb]: 0 limits, 42 violations of any kind, 17 effluent exceedances, latest February 28, 2011, largest 104,067% over the limit.
- Sulfide, total [as S]: 0 limits, 26 violations of any kind, 9 effluent exceedances, latest June 30, 2008, largest 6,100% over the limit.
- Zinc, total [as Zn]: 0 limits, 19 violations of any kind, 7 effluent exceedances, latest September 30, 2006, largest 168% over the limit.
- Mercury, total [as Hg]: 2 limits, 35 violations of any kind, 5 effluent exceedances, latest July 31, 2025, largest 1,567% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 30 violations of any kind, 4 effluent exceedances, latest October 31, 2009, largest 26% over the limit.
- Arsenic, total [as As]: 0 limits, 23 violations of any kind, 4 effluent exceedances, latest September 30, 2008, largest 2,067% over the limit.
- Sulfide-hydrogen sulfide [undissociated]: 2 limits, 4 violations of any kind, 3 effluent exceedances, latest November 30, 2010, largest 1,550% over the limit.
- pH: 2 limits, 46 violations of any kind, 2 effluent exceedances, latest September 30, 2005.
- Color [PT-CO units]: 1 limit, 25 violations of any kind, 2 effluent exceedances, latest April 30, 2018.
- Solids, total dissolved- 180 deg. C: 0 limits, 6 violations of any kind, 2 effluent exceedances, latest April 30, 2001, largest 240% over the limit.
- Cadmium, total [as Cd]: 2 limits, 27 violations of any kind, 1 effluent exceedance, latest January 31, 2003, largest 67% over the limit.
- Fluoride, total [as F]: 0 limits, 13 violations of any kind, 1 effluent exceedance, latest July 31, 2006, largest 5,043% over the limit.
- Chromium, total [as Cr]: 0 limits, 29 violations of any kind.
- Temperature, water deg. centigrade: 1 limit, 22 violations of any kind.
- Solids, settleable: 1 limit, 22 violations of any kind.
- Oil & Grease: 0 limits, 20 violations of any kind.
- Selenium, total [as Se]: 0 limits, 19 violations of any kind.
- Silver, total [as Ag]: 0 limits, 18 violations of any kind.
- Cyanide, total [as CN]: 0 limits, 12 violations of any kind.
- Barium, total [as Ba]: 0 limits, 12 violations of any kind.
- Boron, total [as B]: 0 limits, 12 violations of any kind.
- Surfactants [MBAS]: 0 limits, 12 violations of any kind.
- Ammonia & ammonium- total: 1 limit, 11 violations of any kind.
- Chromium, hexavalent [as Cr]: 0 limits, 11 violations of any kind.
- Coliform, fecal general: 0 limits, 10 violations of any kind.
- Nitrogen, ammonia, total [as NH3]: 0 limits, 9 violations of any kind.
- Coliform, total general: 0 limits, 7 violations of any kind.
- Nitrogen, total [as N]: 2 limits, 4 violations of any kind.
- Pentachlorophenol: 2 limits, 4 violations of any kind.
- Chloride [as Cl]: 0 limits, 3 violations of any kind.
- Cyanide, free available: 2 limits.
PRASA RANCHERAS WTP among its neighbors
1 discharge permits are in the Rio Yauco at Lago Luchetti Dam subwatershed (HUC 210100040201); PR0024660 is one. Its county: 6, 0 major; PR0024660 is minor permit.
Identity
| Facility | PRASA RANCHERAS WTP |
|---|---|
| Permittee | PRASA RANCHERAS FILTER PLANT |
| NPDES ID | PR0024660 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | June 28, 2018 |
| Expires | July 31, 2023 |
| Address | Yauco, PR 00768 |
| Receiving water | RANCHERAS CREEK |
| Subwatershed | Rio Yauco at Lago Luchetti Dam (HUC 210100040201) |
| SIC | 4941 – Water Supply |
NPDES PR0024660: effluent limits and exceedances
PRASA RANCHERAS WTP (NPDES PR0024660): 39 pollutants on file, 18 limited; 38 with a violation of any kind, 20 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Turbidity | 2 | 151 | 131 | July 31, 2012 | |
| Copper, total [as Cu] | 2 | 145 | 124 | July 31, 2012 | 5,433% over the limit |
| Chlorine, total residual | 1 | 109 | 87 | February 28, 2019 | 445% over the limit |
| Iron, total [as Fe] | 0 | 87 | 85 | August 31, 2002 | 32,233% over the limit |
| Phosphorus, total [as P] | 2 | 84 | 59 | June 30, 2020 | 169,900% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 63 | 41 | July 31, 2012 | 7,318% over the limit |
| Phenolics, total recoverable | 0 | 43 | 24 | September 30, 2008 | 47,700% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 43 | 19 | March 31, 2026 | 900% over the limit |
| Lead, total [as Pb] | 0 | 42 | 17 | February 28, 2011 | 104,067% over the limit |
| Sulfide, total [as S] | 0 | 26 | 9 | June 30, 2008 | 6,100% over the limit |
| Zinc, total [as Zn] | 0 | 19 | 7 | September 30, 2006 | 168% over the limit |
| Mercury, total [as Hg] | 2 | 35 | 5 | July 31, 2025 | 1,567% over the limit |
| Oxygen, dissolved [DO] | 1 | 30 | 4 | October 31, 2009 | 26% over the limit |
| Arsenic, total [as As] | 0 | 23 | 4 | September 30, 2008 | 2,067% over the limit |
| Sulfide-hydrogen sulfide [undissociated] | 2 | 4 | 3 | November 30, 2010 | 1,550% over the limit |
| pH | 2 | 46 | 2 | September 30, 2005 | |
| Color [PT-CO units] | 1 | 25 | 2 | April 30, 2018 | |
| Solids, total dissolved- 180 deg. C | 0 | 6 | 2 | April 30, 2001 | 240% over the limit |
| Cadmium, total [as Cd] | 2 | 27 | 1 | January 31, 2003 | 67% over the limit |
| Fluoride, total [as F] | 0 | 13 | 1 | July 31, 2006 | 5,043% over the limit |
| Chromium, total [as Cr] | 0 | 29 | 0 | ||
| Temperature, water deg. centigrade | 1 | 22 | 0 | ||
| Solids, settleable | 1 | 22 | 0 | ||
| Oil & Grease | 0 | 20 | 0 | ||
| Selenium, total [as Se] | 0 | 19 | 0 | ||
| Silver, total [as Ag] | 0 | 18 | 0 | ||
| Cyanide, total [as CN] | 0 | 12 | 0 | ||
| Barium, total [as Ba] | 0 | 12 | 0 | ||
| Boron, total [as B] | 0 | 12 | 0 | ||
| Surfactants [MBAS] | 0 | 12 | 0 | ||
| Ammonia & ammonium- total | 1 | 11 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 11 | 0 | ||
| Coliform, fecal general | 0 | 10 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 0 | 9 | 0 | ||
| Coliform, total general | 0 | 7 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 0 | ||
| Pentachlorophenol | 2 | 4 | 0 | ||
| Chloride [as Cl] | 0 | 3 | 0 | ||
| Cyanide, free available | 2 | 0 | 0 |
NPDES PR0024660: inspections, violations and enforcement
NPDES PR0024660 (PRASA RANCHERAS WTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES PR0024660
NPDES PR0024660: one email when its EPA record changes — $99/month.
Permits near NPDES PR0024660
NPDES PR0024660: 39 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.