PWSID
PR0004695
State
Puerto Rico
City
CIDRA
Population served
33,957
Primary source
Surface water
Score history
▼ 20 points — the score moved from 100 to 80 on Jun 18, 2026, as newly published EPA data was incorporated.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Apr 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
5.9 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
4 ppt
limit 10 ppt
PFBA
5.7 ppt
limit —
PFHxA
3.1 ppt
limit —
PFPeA
3.1 ppt
limit —
Violations & enforcement
151
Violations on record
0
Unaddressed
25
Health-based
48
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Sep 2020. Official EPA record →
Recent enforcement actions
- State action · SOX Sep 2020
- State action · SOX Sep 2020
- State action · SOX Sep 2020
- State action · SOX Jul 2020
- State action · SFQ Oct 2019
- State action · SOX Aug 2019
- State action · SFJ Jul 2019
- State action · SOX Dec 2018
This profile is built from EPA public records for system PR0004695 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.