County · Puerto Rico
Yauco Municipio, Puerto Rico: drinking water records
This overview covers 1 ZIP codes and 10 community water systems in Yauco Municipio. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Yauco PR0004314 | 35,639 | 180 | 2 | 5 | 6 ppb |
| Duey PR0004234 | 2,248 | 0 | 0 | 7 | 6 ppb |
| Arenas PR0004374 | 2,221 | 0 | 0 | 0 | 4 ppb |
| Rio Loco PR0004094 | 1,501 | 0 | 0 | 0 | 2 ppb |
| Guaraguao PR0478064 | 420 | 0 | 0 | 2 | not reported |
| Acueducto Comunidad Bo. Rubias PR0478014 | 312 | 0 | 0 | 2 | not reported |
| Mogote PR0478094 | 140 | 0 | 0 | 1 | not reported |
| Acueducto la Montana INC. PR0478034 | 75 | 0 | 0 | 1 | not reported |
| Cerrote PR0478044 | 58 | 0 | 0 | 4 | not reported |
| Acued. Com. Bo. Sierra Alta Sect. Cacao PR0478114 | 55 | 0 | 0 | 1 | not reported |
ZIP reports in Yauco Municipio
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.