Is GSWC-SOUTH SAN GABRIEL Water Safe to Drink in 2026?
California · PWSID CA1910223 · Surface water
Population served
26,240
Cities served
—
State / jurisdiction
California (CA)
PWSID
CA1910223
C
TAP WATER GRADE
Concerning
Model score 57/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
1 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS compounds detected in UCMR5 monitoring
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFBA
5.6
—
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 1 violation-related record 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 GSWC-SOUTH SAN GABRIEL's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR GSWC-SOUTH SAN GABRIEL
⚠ 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 GSWC-SOUTH SAN GABRIEL · Chosen for GSWC-SOUTH SAN GABRIEL because PFAS compounds appear in UCMR5 monitoring for this PWS. Reverse osmosis is the most effective certified residential technology for PFAS.
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