Is LIBERTY WATER RIO RICO Water Safe to Drink in 2026?
Arizona · PWSID AZ0412011 · Ground water
Population served
17,960
Cities served
RIO RICO
State / jurisdiction
Arizona (AZ)
PWSID
AZ0412011
F
TAP WATER GRADE
High risk
Model score 0/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
485 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
40.9
4 ppt
Exceeds
Above health advisory
PFBS
20.0
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
10.9
10 ppt
Exceeds
Above health advisory
PFOAregulated
10.0
4 ppt
Exceeds
Above health advisory
PFBA
7.0
—
Within / n/a
Unregulated (monitored)
PFHxA
4.0
—
Within / n/a
Unregulated (monitored)
PFPeA
3.0
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 485 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 LIBERTY WATER RIO RICO · Chosen for LIBERTY WATER RIO RICO because PFAS was detected at 40.9 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 485 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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