WaterQ
Arizona State Report All States
Official Status: March 2026

Is San Carlos tap water safe to drink?

⚠ Caution Advised
F

Use extra caution — San Carlos scores 16/100.

Safety Score
16
out of 100

Still not sure if you need a filter in San Carlos?

Read Decision Guide →

San Carlos

Arizona

View Arizona state report Verified: Apr 2026

Is San Carlos tap water safe to drink?

Use extra caution — San Carlos scores 16/100. This report aggregates EPA drinking water data across 0 local systems in San Carlos. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:45 PM
0mm Precipitation

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

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 San Carlos?

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 San Carlos? See our analysis.

Baby Formula Safety

Is San Carlos tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to San Carlos, water quality is a key factor in long-term property maintenance. With a score of 16/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for San Carlos

EPA Compliance & Violations 60/100
Contaminant Safety Margin 16%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is San Carlos tap water safe to drink?

Use extra caution — San Carlos scores 16/100.

How many water systems serve San Carlos?

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

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

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

What is the water quality score for San Carlos?

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

What are the top contaminants in San Carlos?

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

Water Quality Score
16/100
Grade
F
Water Systems
4
Population
15,263

San Carlos Water Quality Summary

San Carlos, AZ receives a water quality score of 16/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.

San Carlos's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving San Carlos (0)

Water system data coming soon for San Carlos.

Related

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