WaterQ
New York State Report All States
Official Status: March 2026

Is Katonah tap water safe to drink?

✓ Generally Safe
B

Mostly yes — Katonah scores 88/100.

Safety Score
88
out of 100

Still not sure if you need a filter in Katonah?

Read Decision Guide →

Katonah

New York

View New York state report Verified: Apr 2026

Is Katonah tap water safe to drink?

Mostly yes — Katonah scores 88/100. This report aggregates EPA drinking water data across 0 local systems in Katonah. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 PM
0mm Precipitation

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

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 Katonah?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Should you buy a water purifier in Katonah? See our analysis.

Baby Formula Safety

Is Katonah tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Katonah, water quality is a key factor in long-term property maintenance. The high safety score (88/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Katonah

EPA Compliance & Violations 85/100
Contaminant Safety Margin 88%

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

Frequently Asked Questions

Is Katonah tap water safe to drink?

Mostly yes — Katonah scores 88/100.

How many water systems serve Katonah?

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

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

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

What is the water quality score for Katonah?

The water quality score for Katonah 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 Katonah?

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

Water Quality Score
88/100
Grade
B
Water Systems
1
Population
1,425

Katonah Water Quality Summary

Katonah, NY receives a water quality score of 88/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Katonah'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.

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

Water Systems Serving Katonah (0)

Water system data coming soon for Katonah.

Related

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