Is LAKE ARROWHEAD CSD Water Safe to Drink in 2026?
California · PWSID CA3610005 · Surface water
Population served
7,038
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA3610005
D
TAP WATER GRADE
Poor
Model score 46/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
PFAS above EPA MCL (UCMR5 regulated compounds)
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOAregulated
14.0
4 ppt
Exceeds
Above health advisory
PFOSregulated
7.2
4 ppt
Exceeds
Above health advisory
PFHxA
6.7
—
Within / n/a
Unregulated (monitored)
PFHpA
5.7
—
Within / n/a
Unregulated (monitored)
PFNAregulated
4.6
10 ppt
Within / n/a
MCL exceedance
PFPeA
4.5
—
Within / n/a
Unregulated (monitored)
PFDA
3.9
—
Within / n/a
Unregulated (monitored)
PFHxSregulated
3.3
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 0 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 LAKE ARROWHEAD CSD's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR LAKE ARROWHEAD CSD
⚠ EPA violations / contaminants in monitoring data
#1
Clearly Filtered 3.5L Pitcher
BEST FOR PFAS & LEAD
Clearly Filtered · ~$90
Only pitcher certified to remove PFAS at 99.9%. NSF 42/53/244/401/P473 — 365+ contaminants.
WHY THIS FOR LAKE ARROWHEAD CSD · Chosen for LAKE ARROWHEAD CSD because PFAS was detected at 14 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 0 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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