Is RIVERSIDE HIGHLAND WATER COMPANY Water Safe to Drink in 2026?
California · PWSID CA3610057 · Ground water
Population served
20,188
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA3610057
F
TAP WATER GRADE
High risk
Model score 14/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
6 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
19.0
4 ppt
Exceeds
Above health advisory
PFOAregulated
18.0
4 ppt
Exceeds
Above health advisory
PFPeA
17.0
—
Within / n/a
Unregulated (monitored)
PFHxA
14.0
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
14.0
10 ppt
Exceeds
Above health advisory
PFBS
13.0
—
Within / n/a
Unregulated (monitored)
PFBA
10.0
—
Within / n/a
Unregulated (monitored)
PFHpA
8.2
—
Within / n/a
Unregulated (monitored)
PFPeS
4.0
—
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 6 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.
Based on RIVERSIDE HIGHLAND WATER COMPANY's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR RIVERSIDE HIGHLAND WATER COMPANY
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR RIVERSIDE HIGHLAND WATER COMPANY · Chosen for RIVERSIDE HIGHLAND WATER COMPANY because PFAS was detected at 19 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 6 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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