WaterQ
California State Report All States
Official Status: March 2026

Is Long Beach tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Long Beach scores 92/100.

Safety Score
92
out of 100

Still not sure if you need a filter in Long Beach?

Read Decision Guide →

Long Beach

California

View California state report Data updated: Mar 2026

Is Long Beach tap water safe to drink?

Mostly yes — Long Beach scores 92/100. This report aggregates EPA drinking water data across 1 local system in Long Beach. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 03:30 PM
0mm Precipitation

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

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 Long Beach?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Filter or no filter for Long Beach water? Here's what the data says.

Baby Formula Safety

What new parents in Long Beach should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Long Beach, but it can affect plumbing longevity and appliance lifespan. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Radium-228 levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Long Beach

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

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

Frequently Asked Questions

Is Long Beach tap water safe to drink?

Mostly yes — Long Beach scores 92/100.

How many water systems serve Long Beach?

Long Beach is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Long Beach?

The water quality score for Long Beach is 92 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Long Beach?

The top contaminants detected in Long Beach include Radium-228, Mercury, Atrazine. View detailed information on our contaminants page.

Water Quality Score
92/100
Grade
A
Water Systems
1
Population
466,772

Long Beach Water Quality Summary

Long Beach, CA receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Long Beach'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.

Long Beach's score of 92 is 2 points above the California state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective homebuyers in this large California city, the municipal drinking water is managed by a centralized system delivering exceptional quality. Serving a major West Coast urban center, this network successfully navigates a region characterized by varied geology and agricultural influences to keep tap water clean. This outstanding performance provides reassurance for households in Long Beach, demonstrating that a major metropolitan area can maintain remarkably high water standards.

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

Radium-228
4.6795 / 5 pCi/L
0 pCi/L MCL: 5 pCi/L
Mercury
1.708 / 2 μg/L
0 μg/L MCL: 2 μg/L
Atrazine
1.6191 / 3 μg/L
0 μg/L MCL: 3 μg/L
Arsenic
4.373 / 10 μg/L
0 μg/L MCL: 10 μg/L
Total Coliform
0 / 0 presence
0 presence MCL: 0 presence

Get notified if Long Beach'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 Long Beach (1)

Related

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