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

2026 EPA water quality data for 7 community water systems serving 336,030+ residents. See violations, PFAS results, lead test results, and safety grades — free.

Is Covina Tap Water Safe to Drink?

Covina has 7 community water systems. 5 of 7 graded systems meet all EPA standards (grade A or B), while 2 have recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.

Covina Water Quality Overview

Covina, California is served by 7 community water systems providing water to approximately 336,030 residents. These systems draw from surface water purchased (6), groundwater (1) sources. Covina water systems have recorded 1 health-based violation in their history, though none are currently active. Including monitoring and reporting violations, there are 17 total violations on record.

7
Water Systems
1
Health Violations
5/7
Rated A or B
3
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 7 water systems in Covina

SUBURBAN WATER SYSTEMS-SAN JOSE A
COVINA, CA · 168,843 people · Surface Water Purchased ✓ No recent health violations
SUBURBAN WATER SYSTEMS-WHITTIER C
COVINA, CA · 66,045 people · Groundwater 2 health violations in past 5 yrs
SUBURBAN WATER SYSTEMS-LA MIRADA C
COVINA, CA · 56,793 people · Surface Water Purchased 2 health violations in past 5 yrs
COVINA-CITY, WATER DEPT. A
COVINA, CA · 33,300 people · Surface Water Purchased ✓ No recent health violations
SUBURBAN WATER SYSTEMS-GLENDORA A
COVINA, CA · 5,249 people · Surface Water Purchased ✓ No recent health violations
SUBURBAN WATER SYSTEMS - SATIVA A
COVINA, CA · 4,363 people · Surface Water Purchased ✓ No recent health violations
SUBURBAN WATER SYSTEMS-COVINA KNOLLS A
COVINA, CA · 1,437 people · Surface Water Purchased ✓ 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.

Covina Drinking Water: Frequently Asked Questions

Is Covina, California tap water safe to drink?

Covina has 7 community water systems. 5 of 7 graded systems meet all EPA standards (grade A or B), while 2 have recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.

How many water utilities serve Covina, California?

7 community water systems serve Covina, California, providing water to approximately 336,030 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Covina 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 Covina drinking water?

EPA violation records for Covina 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 Covina?

Enter your Covina 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).