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Alhambra, California: Is the Tap Water Safe to Drink?

2026 EPA water quality data for 12 community water systems serving 361,050+ residents. See violations, PFAS results, lead test results, and safety grades — free.

Is Alhambra Tap Water Safe to Drink?

Alhambra has 12 community water systems. 11 of 12 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.

Alhambra Water Quality Overview

Alhambra, California is served by 12 community water systems providing water to approximately 361,050 residents. These systems draw from surface water purchased (9), groundwater (3) sources. Alhambra water systems have recorded 2 health-based violations in their history, though none are currently active. Including monitoring and reporting violations, there are 150 total violations on record.

12
Water Systems
2
Health Violations
11/12
Rated A or B
1
PFAS Tested
💧 Filter Guide📖 Violations Explained📄 Read Your CCR⚠ PFAS Guide

Find Your Water System

Search by ZIP code to find your exact water provider and see its full EPA report.

All 12 water systems in Alhambra

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER A
ALHAMBRA, CA · 208,129 people · Surface Water Purchased ✓ No recent health violations
CITY OF ALHAMBRA A
ALHAMBRA, CA · 79,776 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 29 & 80-MALIBU A
ALHAMBRA, CA · 32,348 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 40, REG. 38-LAKE LA A
ALHAMBRA, CA · 12,568 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM A
ALHAMBRA, CA · 11,509 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 36-VAL VERDE A
ALHAMBRA, CA · 6,376 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 37-ACTON A
ALHAMBRA, CA · 4,805 people · Surface Water Purchased ✓ No recent health violations
RANCHO LOS AMIGOS HOSPITAL C
ALHAMBRA, CA · 3,200 people · Groundwater 2 health violations in past 5 yrs
LOS ANGELES CWWD 40, REG. 39-ROCK CREEK A
ALHAMBRA, CA · 994 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 21-KAGEL CANYON A
ALHAMBRA, CA · 708 people · Surface Water Purchased ✓ No recent health violations
LOS ANGELES CWWD 40, REG. 35-N.E. L.A. A
ALHAMBRA, CA · 612 people · Groundwater ✓ No recent health violations
YMCA CAMP TA TA POCHON A
ALHAMBRA, CA · 25 people · Groundwater ✓ No recent health violations

Looking for water quality data across the whole state? See our full California tap water safety report covering California’s EPA-regulated water systems.

Alhambra Drinking Water: Frequently Asked Questions

Is Alhambra, California tap water safe to drink?

Alhambra has 12 community water systems. 11 of 12 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.

How many water utilities serve Alhambra, California?

12 community water systems serve Alhambra, California, providing water to approximately 361,050 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Alhambra tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Alhambra drinking water?

EPA violation records for Alhambra water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Alhambra?

Enter your Alhambra ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).