WaterQ
California State Report All States
Official Status: March 2026

Is South Lake Tahoe tap water safe to drink?

✓ Generally Safe
B

Mostly yes — South Lake Tahoe scores 83/100.

Safety Score
83
out of 100

Still not sure if you need a filter in South Lake Tahoe?

Read Decision Guide →

South Lake Tahoe

California

View California state report Data updated: Mar 2026

Is South Lake Tahoe tap water safe to drink?

Mostly yes — South Lake Tahoe scores 83/100. This report aggregates EPA drinking water data across 0 local systems in South Lake Tahoe. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:00 PM
0mm Precipitation

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

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 South Lake Tahoe?

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?

Should you buy a water purifier in South Lake Tahoe? See our analysis.

Baby Formula Safety

Is South Lake Tahoe tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to South Lake Tahoe, water quality is a key factor in long-term property maintenance. The high safety score (83/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Compliance Record for South Lake Tahoe

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 South Lake Tahoe.

Frequently Asked Questions

Is South Lake Tahoe tap water safe to drink?

Mostly yes — South Lake Tahoe scores 83/100.

How many water systems serve South Lake Tahoe?

South Lake Tahoe is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in South Lake Tahoe?

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

What is the water quality score for South Lake Tahoe?

The water quality score for South Lake Tahoe is 83 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in South Lake Tahoe?

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

Water Quality Score
83/100
Grade
B
Water Systems
5
Population
110,645

South Lake Tahoe Water Quality Summary

South Lake Tahoe, CA receives a water quality score of 83/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.

South Lake Tahoe'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.

South Lake Tahoe's score of 83 is 7 points below the California state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.

Homeowners and residents in South Lake Tahoe can expect generally dependable tap water, which is sourced and managed across several distinct utility systems serving this mid-size California community. The regional water profile is influenced by the West Coast's diverse geological formations, alongside nearby agricultural activities and urban centers. While the municipal supply performs very respectably overall, the decentralized nature of the local infrastructure means that water characteristics might shift slightly depending on where you settle down.

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 →

Get notified if South Lake Tahoe'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 South Lake Tahoe (0)

Water system data coming soon for South Lake Tahoe.

Related

Compare South Lake Tahoe water quality: View all states · Contaminant library · How we score water quality