WaterQ
California State Report All States
Official Status: March 2026

Is Folsom tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Folsom scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in Folsom?

Read Decision Guide →

Folsom

California

View California state report Data updated: Mar 2026

Is Folsom tap water safe to drink?

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

Real-Time Environment

Live: 06:30 AM
0mm Precipitation

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

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 Folsom?

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 Folsom water? Here's what the data says.

Baby Formula Safety

What new parents in Folsom should know about tap water safety.

Homebuyer's Perspective

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

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Compliance Record for Folsom

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 Folsom.

Frequently Asked Questions

Is Folsom tap water safe to drink?

Mostly yes — Folsom scores 100/100.

How many water systems serve Folsom?

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

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

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

What is the water quality score for Folsom?

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

What are the top contaminants in Folsom?

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

Water Quality Score
100/100
Grade
A
Water Systems
2
Population
84,286

Folsom Water Quality Summary

Folsom, CA receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Folsom'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.

Folsom's score of 100 is 10 points above the California state average of 90, and above the nationwide average of roughly 78/100 across all U.S. states.

For families and prospective homebuyers looking at this mid-size California city, Folsom's drinking water quality stands out as exceptional across both of its water systems. Despite being located in a West Coast region shaped by large urban centers, Central Valley agriculture, and a varied geological landscape, the local infrastructure delivers water that meets premier safety expectations. This level of consistency offers peace of mind to residents, demonstrating that local distribution successfully mitigates regional environmental and agricultural runoff challenges.

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 Folsom (0)

Water system data coming soon for Folsom.

Related

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