WaterQ
Idaho State Report All States
Official Status: March 2026

Is Hayden tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Hayden scores 98/100.

Safety Score
98
out of 100

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Hayden

Idaho

View Idaho state report Data updated: Mar 2026

Is Hayden tap water safe to drink?

Mostly yes — Hayden scores 98/100. This report aggregates EPA drinking water data across 3 local systems in Hayden. We found 117 total violations (105 unresolved).

Real-Time Environment

Live: 05:45 PM
0mm Precipitation

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

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 Hayden?

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 Hayden? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Hayden, water quality is a key factor in long-term property maintenance. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (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 Hayden

117
Violations (5yr)
105
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Hayden tap water safe to drink?

Mostly yes — Hayden scores 98/100.

How many water systems serve Hayden?

Hayden is served by 3 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Hayden?

The water quality score for Hayden is 98 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 Hayden?

The top contaminants detected in Hayden include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
98/100
Grade
A
Water Systems
3
Population
19,174

Hayden Water Quality Summary

Hayden, ID receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Hayden'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.

Hayden's score of 98 is 18 points above the Idaho state average of 80, and above the nationwide average of roughly 78/100 across all U.S. states.

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

Key Contaminants

Lead (90th percentile)
0.004 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Hayden (3)

Related

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