Is SANTA ISABEL URBANO Water Safe to Drink in 2026?
Puerto Rico · PWSID PR0003904 · Ground water
Population served
39,884
Cities served
PONCE, SANTA ISABEL
State / jurisdiction
Puerto Rico (PR)
PWSID
PR0003904
F
TAP WATER GRADE
High risk
Model score 0/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
443 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOSregulated
10.3
4 ppt
Exceeds
Above health advisory
PFBA
6.5
—
Within / n/a
Unregulated (monitored)
PFBS
6.4
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
4.9
10 ppt
Within / n/a
MCL exceedance
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 443 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
WHY THIS FOR SANTA ISABEL URBANO · Chosen for SANTA ISABEL URBANO because PFAS was detected at 10.3 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 443 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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