WaterQ
California State Report All States
Official Status: March 2026

Is Big Bear Lake tap water safe to drink?

✓ Generally Safe
B

Mostly yes — Big Bear Lake scores 87/100.

Safety Score
87
out of 100

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Big Bear Lake

California

View California state report Data updated: Mar 2026

Is Big Bear Lake tap water safe to drink?

Mostly yes — Big Bear Lake scores 87/100. This report aggregates EPA drinking water data across 3 local systems in Big Bear Lake. We found 55 total violations (9 unresolved).

Real-Time Environment

Live: 08:15 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Big Bear Lake.

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 Big Bear Lake?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Evaluation of municipal compliance and household filtration options in Big Bear Lake.

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Baby Formula Safety

EPA compliance thresholds and pediatric water precautions for Big Bear Lake.

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Homebuyer's Perspective

Water system history in Big Bear Lake informs property maintenance and private filtration requirements. The high safety score (87/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Copper (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 Big Bear Lake

55
Violations (5yr)
9
Unresolved
1
Contaminants Tracked
1
Exceeding EPA Limit

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

Frequently Asked Questions

Is Big Bear Lake tap water safe to drink?

Mostly yes — Big Bear Lake scores 87/100.

How many water systems serve Big Bear Lake?

Big Bear Lake is served by 3 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Big Bear Lake?

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

What is the water quality score for Big Bear Lake?

The water quality score for Big Bear Lake is 87 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.

What are the top contaminants in Big Bear Lake?

The top contaminants detected in Big Bear Lake include Copper (90th percentile). View detailed information on our contaminants page.

Water Quality Score
87/100
Grade
B
Water Systems
3
Population
102,903

Big Bear Lake Water Quality Summary

Big Bear Lake, CA receives a water quality score of 87/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Big Bear Lake'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.

Big Bear Lake's score of 87 is 2 points below the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

Prospective homebuyers looking at Big Bear Lake will find reassurance in the city's tap water, which maintains an exemplary standard of quality despite being located in a West Coast region characterized by varied geology, large urban centers, and Central Valley agriculture. This mid-size California city distributes its supply through multiple distinct water systems to serve the community. For residents, this high level of performance translates to reliable daily use and regulatory assurance regarding their household water source.

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

Copper (90th percentile) Violation
2.4 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L

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Water Systems Serving Big Bear Lake (3)

Related

Compare Big Bear Lake water quality: View all states · Contaminant library · How we score water quality