County · Puerto Rico
Naguabo Municipio, Puerto Rico: drinking water records
This overview covers 1 ZIP codes and 7 community water systems in Naguabo 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 |
|---|---|---|---|---|---|
| Rio Blanco,vieques,culedra PR0005386 | 79,822 | 240 | 0 | 12 | 6 ppb |
| El Yunque PR0005296 | 68,114 | 120 | 0 | 18 | 6 ppb |
| Las Piedras Humacao PR0005376 | 38,897 | 180 | 1 | 0 | 6 ppb |
| Com. Rancho Grande PR0653026 | 1,428 | 0 | 0 | 2 | 3 ppb |
| Cubuy Maizales PR0005286 | 595 | 0 | 0 | 24 | 8 ppb |
| Acued. Lomas del Viento-Maizales PR0653066 | 400 | 0 | 0 | 1 | not reported |
| Acued. de la Com. del Duque PR0653056 | 172 | 0 | 0 | 1 | not reported |
ZIP reports in Naguabo 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.