Alhambra, CA water quality
Alhambra, CA is served by 11 public water systems, serving 361,025 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is A.
Water systems serving Alhambra
LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER
ALHAMBRA, CA · 208,129 served
CITY OF ALHAMBRA
ALHAMBRA, CA · 79,776 served
LOS ANGELES CWWD 29 & 80-MALIBU
ALHAMBRA, CA · 32,348 served
LOS ANGELES CWWD 40, REG. 38-LAKE LA
ALHAMBRA, CA · 12,568 served
LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM
ALHAMBRA, CA · 11,509 served
LOS ANGELES CWWD 36-VAL VERDE
ALHAMBRA, CA · 6,376 served
LOS ANGELES CWWD 37-ACTON
ALHAMBRA, CA · 4,805 served
RANCHO LOS AMIGOS HOSPITAL
ALHAMBRA, CA · 3,200 served
LOS ANGELES CWWD 40, REG. 39-ROCK CREEK
ALHAMBRA, CA · 994 served
LOS ANGELES CWWD 21-KAGEL CANYON
ALHAMBRA, CA · 708 served
LOS ANGELES CWWD 40, REG. 35-N.E. L.A.
ALHAMBRA, CA · 612 served
Get alerted when Alhambra's water gets a violation
Alert emails are in development; once they launch, we'll only email you about this water system. Unsubscribe anytime via contact@tapgraded.com.
Worried about what's in your tap?
See which water filters are certified to remove the contaminants found in your area.
Find a filter that matches your waterFrequently asked questions
Is Alhambra, CA tap water safe to drink?
11 public water systems serve Alhambra, CA, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is A. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does Alhambra's water have lead in it?
The most recent 90th-percentile lead sample is 1.8 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Alhambra's water?
Yes — at least one water system serving Alhambra has detected PFAS under UCMR5.
Other cities in California
See all of California →Source: EPA SDWIS/ECHO · Data as of 2026Q2
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.