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Water Supply — NPDES discharge permits in Puerto Rico

Of the 108 permits in EPA's SIC 4941 in PR, 79 went over a limit between 2025-10-01 and 2026-09-30 (BOD, 5-day, 20 deg. C: 34; Phosphorus, total [as P]: 30; Copper, total [as Cu]: 16). 61 are past the expiry date EPA's file holds; 19 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
PRASA Cubuy WTP
PR0022462 · Water Supply
Over a limit 21×: Chlorine, total residual (11×), Turbidity (5×), Phosphorus, total [as P] (3×)Expires May 31, 2029
PRASA COMERIO-RIO HONDO WTP
PR0026573 · Water Supply
Over a limit 20×: Chlorine, total residual (10×), Oxygen, dissolved [DO] (4×), Turbidity (4×)Permit past the expiry date EPA's file holds
PRASA Morovis Norte WTP
PR0024112 · Water Supply
Over a limit 20×: Nitrogen, total [as N] (10×), Phosphorus, total [as P] (7×), BOD, 5-day, 20 deg. C (3×)Expires Sep 30, 2030
PRASA Maizales WTP
PR0026905 · Water Supply
Over a limit 16×: Phosphorus, total [as P] (6×), Lead, total [as Pb] (6×), Zinc, total [as Zn] (3×)Expires Sep 30, 2030
PRASA Corozal WTP
PR0022624 · Water Supply
Over a limit 15×: Chlorine, total residual (10×), Enterococci (2×), Phosphorus, total [as P] (1×)Expires Apr 30, 2031
PRASA BOQUERON-BETANCES WTP
PR0026875 · Water Supply
Over a limit 13×: Enterococci (8×), Ammonia & ammonium- total (3×), BOD, 5-day, 20 deg. C (1×)Expires Apr 30, 2031
PRASA Cayey Farallon WTP
PR0026077 · Water Supply
Over a limit 12×: Copper, total [as Cu] (10×), BOD, 5-day, 20 deg. C (2×)Permit past the expiry date EPA's file holds
Planta de Filtracion de Trujillo Bajo
PR0026719 · Water Supply
Over a limit 12×: Solids, total dissolved (11×), BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA Isabela WTP
PR0026638 · major · Water Supply
Over a limit 11×: Phosphorus, total [as P] (3×), Nitrogen, total [as N] (3×), Chlorine, total residual (2×)Expires Apr 30, 2031
PRASA GUAYABOTA WTP
PR0022799 · Water Supply
Over a limit 10×: Phosphorus, total [as P] (7×), Turbidity (3×)Expires Sep 30, 2030
PRASA JAYUYA WTP
PR0024121 · Water Supply
Over a limit 9×: Ammonia & ammonium- total (3×), BOD, 5-day, 20 deg. C (2×), Lead, total [as Pb] (2×)Renewal application due Jun 3, 2027
PRASA Enrique Ortega WTP
PR0022616 · major · Water Supply
Over a limit 8×: Temperature, water deg. centigrade (3×), BOD, 5-day, 20 deg. C (2×), Lead, total [as Pb] (2×)Renewal application due Jan 2, 2028
PRASA MIRADERO WTP
PR0023990 · major · Water Supply
Over a limit 8×: Lead, total [as Pb] (5×), Ammonia & ammonium- total (2×), BOD, 5-day, 20 deg. C (1×)Expires Sep 30, 2030
PRASA REAL ANON FILTER PLANT
PR0025852 · Water Supply
Over a limit 8×: Copper, total [as Cu] (5×), Phosphorus, total [as P] (2×), Solids, total dissolved (1×)Expires May 31, 2029
PRASA BARRANQUITAS WTP
PR0022497 · Water Supply
Over a limit 7×: Phosphorus, total [as P] (7×)Expires Sep 30, 2030
PRASA Matrullas
PR0026808 · Water Supply
Over a limit 6×: Copper, total [as Cu] (5×), BOD, 5-day, 20 deg. C (1×)Expires Sep 30, 2030
PRASA Sabana Grande WTP
PR0024007 · Water Supply
Over a limit 6×: Copper, total [as Cu] (4×), BOD, 5-day, 20 deg. C (1×), Lead, total [as Pb] (1×)Expires Sep 30, 2030
PRASA HOGARES SEGUROS WTP
PR0025810 · Water Supply
Over a limit 5×: Phosphorus, total [as P] (3×), Copper, total [as Cu] (2×)Renewal application due Mar 4, 2028
PRASA - Fronton WTP
PR0026441 · Water Supply
Over a limit 5×: BOD, 5-day, 20 deg. C (2×), Lead, total [as Pb] (2×), Turbidity (1×)Renewal application due Mar 4, 2028
PRASA AGUAS BUENAS WTP
PR0022896 · Water Supply
Over a limit 5×: BOD, 5-day, 20 deg. C (2×), Ammonia & ammonium- total (1×), Copper, total [as Cu] (1×)Expires Apr 30, 2031
PRASA ANASCO WTP
PR0022942 · Water Supply
Over a limit 5×: Phosphorus, total [as P] (5×)Renewal application due Jun 3, 2027
PRASA APEADERO FILTRATION PLNT
PR0024686 · Water Supply
Over a limit 5×: Phosphorus, total [as P] (4×), Copper, total [as Cu] (1×)Expires Sep 30, 2030
PRASA CEDRO ARRIBA WTP
PR0022659 · Water Supply
Over a limit 5×: pH (2×), Chlorine, total residual (1×), Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA GUAYAMA WTP
PR0022578 · Water Supply
Over a limit 5×: Ammonia & ammonium- total (2×), Turbidity (2×), BOD, 5-day, 20 deg. C (1×)Expires May 31, 2029
PRASA Morovis Sur WTP
PR0024198 · Water Supply
Over a limit 5×: BOD, 5-day, 20 deg. C (4×), Sulfide-hydrogen sulfide [undissociated] (1×)Permit past the expiry date EPA's file holds
PRASA San Lorenzo WTP
PR0022870 · Water Supply
Over a limit 5×: Phosphorus, total [as P] (3×), Turbidity (2×)Renewal application overdue
PRASA - Yahuecas WFTP
PR0026948 · Water Supply
Over a limit 4×: Phosphorus, total [as P] (2×), Turbidity (2×)Permit past the expiry date EPA's file holds
PRASA AIBONITO WTP
PR0022489 · Water Supply
Over a limit 4×: BOD, 5-day, 20 deg. C (3×), Turbidity (1×)Permit past the expiry date EPA's file holds
PRASA ARECIBO WTP
PR0024210 · Water Supply
Over a limit 4×: BOD, 5-day, 20 deg. C (3×), pH (1×)Permit past the expiry date EPA's file holds
PRASA CAYEY WTP
PR0022519 · Water Supply
Over a limit 4×: BOD, 5-day, 20 deg. C (4×)Renewal application overdue
PRASA Culebras-Cayey WTP
PR0026352 · Water Supply
Over a limit 4×: BOD, 5-day, 20 deg. C (2×), Turbidity (2×)Permit past the expiry date EPA's file holds
PRASA GUARAGUAO WTP
PR0024651 · Water Supply
Over a limit 4×: Turbidity (2×), Chlorine, total residual (1×), Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA GUAYNABO WTP
PR0022438 · major · Water Supply
Over a limit 4×: BOD, 5-day, 20 deg. C (2×), Phosphorus, total [as P] (1×), Copper, total [as Cu] (1×)Permit past the expiry date EPA's file holds
PRASA Las Marias Potable Water Filtration Plant
PR0026930 · Water Supply
Over a limit 4×: Copper, total [as Cu] (3×), Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA Minillas WTP
PR0026794 · Water Supply
Over a limit 4×: Copper, total [as Cu] (3×), Phosphorus, total [as P] (1×)Renewal application due Jan 2, 2028
PRASA Santa Isabel WTP
PR0026182 · Water Supply
Over a limit 4×: Lead, total [as Pb] (2×), Solids, total dissolved (1×), BOD, 5-day, 20 deg. C (1×)Expires Sep 30, 2030
PRASA - Maginas WTP
PR0026727 · Water Supply
Over a limit 3×: Phosphorus, total [as P] (2×), Chlorine, total residual (1×)Renewal application overdue
PRASA AGUADILLA WTP
PR0022918 · major · Water Supply
Over a limit 3×: BOD, 5-day, 20 deg. C (3×)Permit past the expiry date EPA's file holds
PRASA CIDRA WTP
PR0022543 · major · Water Supply
Over a limit 3×: BOD, 5-day, 20 deg. C (3×)Permit past the expiry date EPA's file holds
PRASA Gurabo
PR0026743 · Water Supply
Over a limit 3×: Phosphorus, total [as P] (2×), Turbidity (1×)Permit past the expiry date EPA's file holds
PRASA Jagual WTP
PR0025470 · Water Supply
Over a limit 3×: BOD, 5-day, 20 deg. C (1×), Phosphorus, total [as P] (1×), Copper, total [as Cu] (1×)Permit past the expiry date EPA's file holds
PRASA LAS DELICIAS FILTER PLT.
PR0025216 · Water Supply
Over a limit 3×: Phosphorus, total [as P] (3×)Expires Sep 30, 2030
PRASA Mameyes Arriba WTP
PR0025224 · Water Supply
Over a limit 3×: Lead, total [as Pb] (3×)Renewal application due Jun 3, 2027
PRASA Orocovis WTP
PR0022705 · Water Supply
Over a limit 3×: Turbidity (2×), Phosphorus, total [as P] (1×)Expires May 31, 2029
PRASA Ponce Nueva WTP
PR0022756 · major · Water Supply
Over a limit 3×: Oxygen, dissolved [DO] (1×), Copper, total [as Cu] (1×), Turbidity (1×)Permit past the expiry date EPA's file holds
PRASA Sanamuerto WTP
PR0026735 · Water Supply
Over a limit 3×: Sulfate, total [as SO4] (1×), Lead, total [as Pb] (1×), Sulfide-hydrogen sulfide [undissociated] (1×)Expires Apr 30, 2031
PRASA Yauco WTP
PR0022675 · Water Supply
Over a limit 3×: BOD, 5-day, 20 deg. C (2×), Ammonia & ammonium- total (1×)Renewal application due Mar 4, 2028
PRASA-Guilarte WTP
PR0026191 · Water Supply
Over a limit 3×: BOD, 5-day, 20 deg. C (2×), Sulfide-hydrogen sulfide [undissociated] (1×)Permit past the expiry date EPA's file holds
PRASA TIBES WTP
PR0025801 · Water Supply
Over a limit 2×: BOD, 5-day, 20 deg. C (1×), Turbidity (1×)Permit past the expiry date EPA's file holds
PRASA ADJUNTAS NUEVA WTP
PR0025739 · Water Supply
Over a limit 2×: BOD, 5-day, 20 deg. C (2×)Renewal application due Jun 3, 2027
PRASA BARRANCAS WTP
PR0022501 · Water Supply
Over a limit 2×: Phosphorus, total [as P] (1×), Lead, total [as Pb] (1×)Expires Sep 30, 2030
PRASA COAMO WTP
PR0022764 · Water Supply
Over a limit 2×: Temperature, water deg. centigrade (2×)Expires May 31, 2029
PRASA Espino WTP
PR0026832 · Water Supply
Over a limit 2×: Copper, total [as Cu] (1×), Turbidity (1×)Renewal application due Mar 4, 2028
PRASA MALPASO WTP
PR0026395 · Water Supply
Over a limit 2×: BOD, 5-day, 20 deg. C (2×)Expires Apr 30, 2031
PRASA MAUNABO WTP
PR0026654 · Water Supply
Over a limit 2×: BOD, 5-day, 20 deg. C (1×), Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA Sabana Grande Ward WTP
PR0026255 · Water Supply
Over a limit 2×: Phosphorus, total [as P] (2×)Expires Apr 30, 2031
PRASA San Sebastian WTP
PR0023981 · Water Supply
Over a limit 2×: Phosphorus, total [as P] (2×)Permit past the expiry date EPA's file holds
PRASA Utuado WTP
PR0024155 · Water Supply
Over a limit 2×: Chlorine, total residual (1×), Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA Yabucoa WTP
PR0022837 · Water Supply
Over a limit 2×: Solids, total dissolved (1×), BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA - Mameyes Abajo WTP
PR0025208 · Water Supply
Over a limit 1×: Lead, total [as Pb] (1×)Renewal application due Jun 3, 2027
PRASA - NEGROS WTP
PR0024422 · Water Supply
Over a limit 1×: pH (1×)Permit past the expiry date EPA's file holds
PRASA - Villalba WTP
PR0026590 · major · Water Supply
Over a limit 1×: BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA -La Boca - Barranquitas WTP
PR0026565 · Water Supply
Over a limit 1×: Chlorine, total residual (1×)Permit past the expiry date EPA's file holds
PRASA ADJUNTAS WTP
PR0022691 · Water Supply
Over a limit 1×: Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA CAGUAS WTP
PR0022888 · Water Supply
Over a limit 1×: Copper, total [as Cu] (1×)Permit past the expiry date EPA's file holds
PRASA Canalizo WTP
PR0026867 · Water Supply
Over a limit 1×: Nitrogen, total [as N] (1×)Permit past the expiry date EPA's file holds
PRASA GUAJATACA WTP
PR0025721 · Water Supply
Over a limit 1×: Phosphorus, total [as P] (1×)Permit past the expiry date EPA's file holds
PRASA Jagua Pasto WTP
PR0024678 · Water Supply
Over a limit 1×: Copper, total [as Cu] (1×)Permit past the expiry date EPA's file holds
PRASA Lares WTP
PR0026450 · Water Supply
Over a limit 1×: Lead, total [as Pb] (1×)Permit past the expiry date EPA's file holds
PRASA MARICAO WTP
PR0022969 · Water Supply
Over a limit 1×: BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA MAYAGUEZ WTP
PR0022900 · Water Supply
Over a limit 1×: Turbidity (1×)Permit past the expiry date EPA's file holds
PRASA MOROVIS - RIO GRANDE WTP
PR0026611 · Water Supply
Over a limit 1×: Sulfide-hydrogen sulfide [undissociated] (1×)Permit past the expiry date EPA's file holds
PRASA RANCHERAS FILTER PLANT
PR0024660 · Water Supply
Over a limit 1×: BOD, 5-day, 20 deg. C (1×)Expires Apr 30, 2031
PRASA RIO PRIETO YAUCO FLT PLT
PR0025411 · Water Supply
Over a limit 1×: Copper, total [as Cu] (1×)Permit past the expiry date EPA's file holds
PRASA Rio Blanco WTP
PR0022845 · Water Supply
Over a limit 1×: Sulfate, total [as SO4] (1×)Permit past the expiry date EPA's file holds
PRASA Roncador WTP
PR0026271 · Water Supply
Over a limit 1×: BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA Rucio WTP
PR0025798 · Water Supply
Over a limit 1×: BOD, 5-day, 20 deg. C (1×)Permit past the expiry date EPA's file holds
PRASA WTP CANOVANAS
PR0022420 · major · Water Supply
Over a limit 1×: Chlorine, total residual (1×)Permit past the expiry date EPA's file holds
PRASA WTP SERGIO CUEVAS
PR0022411 · major · Water Supply
Over a limit 1×: Oxygen, dissolved [DO] (1×)Permit past the expiry date EPA's file holds
PRASA Aceitunas WTP
PR0026671 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA CAIN ALTO WTP
PR0026204 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA CEIBA SUR WTP
PR0025119 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA CIALES WTP
PR0024180 · Water Supply
No value over a limitRenewal application due Jun 3, 2027
PRASA Coto Laurel WTP
PR0025747 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Esperanza WTP
PR0025950 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Guayanes WTP
PR0026409 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Guzman Arriba WTP
PR0022471 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA HATILLO WTP
PR0024163 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA HUMACAO-LAS PIEDRAS WTP
PR0022829 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA JAGUAS Y PESAS WTP
PR0025968 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Jagua Ceiba WTP
PR0026841 · Water Supply
No value over a limit; 3 required values not reportedExpires Apr 30, 2031
PRASA Juncos WTP
PR0022811 · Water Supply
No value over a limitExpires Sep 30, 2030
PRASA LA PLATA WTP
PR0025755 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA LAJAS WTP
PR0022985 · major · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA LARES NUEVA
PR0026701 · Water Supply
No value over a limitRenewal application due Jun 3, 2027
PRASA LUQUILLO WTP
PR0022802 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA La Pica WTP
PR0026824 · Water Supply
No value over a limitRenewal application due Mar 4, 2028
PRASA MONTE DEL ESTADO WTP
PR0022934 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Naguabo WTP
PR0022853 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Northeast Regional Aqueduct WTP
PR0026379 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Penuelas WTP
PR0022772 · Water Supply
No value over a limitExpires Apr 30, 2031
PRASA Ponce Vieja WTP
PR0022781 · Water Supply
No value over a limitExpires May 31, 2029
PRASA Superacueducto Norte WTP
PR0026085 · major · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Villalba Regional Pump Station WTP
PR0026891 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA Villalba WTP
PR0022748 · Water Supply
No value over a limitRenewal application due Mar 4, 2028
PRASA WTP EL YUNQUE FILTR PLT
PR0023931 · major · Water Supply
No value over a limitPermit past the expiry date EPA's file holds
PRASA WTP PATILLAS
PR0025526 · Water Supply
No value over a limitRenewal application due Jun 3, 2027
PRASA WTP RIO ARRIBA
PR0025534 · Water Supply
No value over a limitPermit past the expiry date EPA's file holds

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=PR&sic=4941, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states