County · Puerto Rico
San Germán Municipio, Puerto Rico: drinking water records
This overview covers 2 ZIP codes and 8 community water systems in San Germán 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 |
|---|---|---|---|---|---|
| El Rosario PR0003423 | 2,374 | 60 | 0 | 0 | 6 ppb |
| Cain Alto PR0003533 | 2,416 | 0 | 0 | 0 | 6 ppb |
| El Japones PR0003425 | 1,330 | 0 | 0 | 0 | 5 ppb |
| Periche PR0364013 | 1,100 | 0 | 0 | 4 | not reported |
| Capriles PR0003555 | 590 | 0 | 0 | 0 | 6 ppb |
| Com. Rio Piedras PR0364043 | 220 | 0 | 0 | 2 | not reported |
| Comunidad Mendez PR0364063 | 60 | 0 | 0 | 1 | not reported |
| Pedregal PR0003633 | 1,340 | 0 | 0 | 0 | not reported |
ZIP reports in San Germán 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.