WaterQ
California State Report All States
Official Status: March 2026

Is Pasadena tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Pasadena scores 97/100.

Safety Score
97
out of 100

Still not sure if you need a filter in Pasadena?

Read Decision Guide →

Pasadena

California

View California state report Data updated: Mar 2026

Is Pasadena tap water safe to drink?

Mostly yes — Pasadena scores 97/100. This report aggregates EPA drinking water data across 0 local systems in Pasadena. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Pasadena.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Pasadena?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Wondering if Pasadena tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Pasadena tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Pasadena, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making Pasadena a preferred choice for health-conscious families.

View Health Risk Glossary →

Compliance Record for Pasadena

0
Violations (5yr)
0
Unresolved
0
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Pasadena.

Frequently Asked Questions

Is Pasadena tap water safe to drink?

Mostly yes — Pasadena scores 97/100.

How many water systems serve Pasadena?

Pasadena is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Pasadena?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Pasadena.

What is the water quality score for Pasadena?

The water quality score for Pasadena is 97 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Pasadena?

Current contaminant data for Pasadena is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
97/100
Grade
A
Water Systems
3
Population
191,556

Pasadena Water Quality Summary

Pasadena, CA receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Pasadena'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.

Pasadena's score of 97 is 7 points above the California state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.

Residents and prospective homebuyers in this mid-size California city can feel reassured by the exceptional quality and top-tier rating of the local drinking water supply. Sourced and distributed through a small network of water systems, the supply successfully manages the varied geology and environmental factors common to West Coast regions characterized by large urban centers and agricultural valleys. This strong performance profile offers peace of mind for those establishing a household in Pasadena.

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 →

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Water Systems Serving Pasadena (0)

Water system data coming soon for Pasadena.

Related

Compare Pasadena water quality: View all states · Contaminant library · How we score water quality