Covina
Is Covina tap water safe to drink?
Mostly yes — Covina scores 94/100. This report aggregates EPA drinking water data across 7 local systems in Covina. We found 63 total violations (20 unresolved).
Real-Time Environment
Live: 10:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Covina.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Covina?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Covina tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Covina tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Covina, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (94/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Covina
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Covina.
Frequently Asked Questions
Is Covina tap water safe to drink?
Mostly yes — Covina scores 94/100.
How many water systems serve Covina?
Covina is served by 7 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Covina?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Covina.
What is the water quality score for Covina?
The water quality score for Covina is 94 out of 100, based on EPA contaminant data, violation history, and testing results across the 7 systems serving the city.
What are the top contaminants in Covina?
The top contaminants detected in Covina include Lead (90th percentile). View detailed information on our contaminants page.
Covina Water Quality Summary
Covina, CA receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 7 public water systems serving the area.
Covina's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Covina's score of 94 is 5 points above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.
For households moving to Covina, tap water quality stands out as a reassuring asset for this large California city. Although the region's varied geology, Central Valley agriculture, and surrounding large urban centers present diverse environmental factors, the city's multiple systems consistently deliver water that rates near the top of the scale. Prospective homebuyers can feel confident in the overall safety of their supply, which achieves outstanding marks for its cleanliness and reliability.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our California water quality rankings report →
Key Contaminants
Get notified if Covina's water quality changes
Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.
By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.
Water Systems Serving Covina (7)
Suburban Water Systems-San Jose
ASuburban Water Systems-Covina Knolls
ASuburban Water Systems-Whittier
ASuburban Water Systems-Glendora
ASuburban Water Systems-La Mirada
ASuburban Water Systems - Sativa
BCovina-City, Water Dept.
ACheck Your Specific Address
Water quality can vary by neighborhood in Covina.
Related
Quick compare in California
Compare Covina water quality: View all states · Contaminant library · How we score water quality