WaterQ
California State Report All States
Official Status: March 2026

Is Monterey Park tap water safe to drink?

✓ Generally Safe
B

Mostly yes — Monterey Park scores 80/100.

Safety Score
80
out of 100

Still not sure if you need a filter in Monterey Park?

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Monterey Park

California

View California state report Data updated: Mar 2026

Is Monterey Park tap water safe to drink?

Mostly yes — Monterey Park scores 80/100. This report aggregates EPA drinking water data across 1 local system in Monterey Park. We found 9 total violations (7 unresolved).

Real-Time Environment

Live: 08:45 PM
0mm Precipitation

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

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 Monterey Park?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Filter requirements and certified reduction benchmarks for Monterey Park tap water.

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Baby Formula Safety

Infant formula preparation risks, nitrate levels, and lead pipe guidance in Monterey Park.

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Homebuyer's Perspective

Evaluating water infrastructure in Monterey Park protects plumbing and helps estimate water heater longevity. The high safety score (80/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

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 Monterey Park

9
Violations (5yr)
7
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Monterey Park tap water safe to drink?

Mostly yes — Monterey Park scores 80/100.

How many water systems serve Monterey Park?

Monterey Park is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Monterey Park?

The water quality score for Monterey Park is 80 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Monterey Park?

The top contaminants detected in Monterey Park include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
80/100
Grade
B
Water Systems
1
Population
62,183

Monterey Park Water Quality Summary

Monterey Park, CA receives a water quality score of 80/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Monterey Park'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.

Monterey Park's score of 80 is 9 points below the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

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

Lead (90th percentile)
0.00071 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Monterey Park (1)

Related

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