WaterQ
Arizona State Report All States
Official Status: March 2026

Is Scottsdale tap water safe to drink?

⚠ Caution Advised
C

Generally acceptable, but review local hotspots — score 66/100.

Safety Score
66
out of 100

Still not sure if you need a filter in Scottsdale?

Read Decision Guide →

Scottsdale

Arizona

View Arizona state report Data updated: Mar 2026

Is Scottsdale tap water safe to drink?

Generally acceptable, but review local hotspots — score 66/100. This report aggregates EPA drinking water data across 7 local systems in Scottsdale. We found 1287 total violations (126 unresolved).

Real-Time Environment

Live: 09:15 PM
0mm Precipitation

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

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 Scottsdale?

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 Scottsdale? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Scottsdale, water quality is a key factor in long-term property maintenance. With a score of 66/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Residents should monitor Copper (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 Scottsdale

1287
Violations (5yr)
126
Unresolved
2
Contaminants Tracked
1
Exceeding EPA Limit

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

Frequently Asked Questions

Is Scottsdale tap water safe to drink?

Generally acceptable, but review local hotspots — score 66/100.

How many water systems serve Scottsdale?

Scottsdale is served by 7 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Scottsdale?

The water quality score for Scottsdale is 66 out of 100, based on EPA contaminant data, violation history, and testing results across the 7 systems serving the city.

What are the top contaminants in Scottsdale?

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

Water Quality Score
66/100
Grade
C
Water Systems
7
Population
313,099

Scottsdale Water Quality Summary

Scottsdale, AZ receives a water quality score of 66/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 7 public water systems serving the area.

Scottsdale's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.

Scottsdale's score of 66 is 11 points above the Arizona state average of 55, and below the nationwide average of roughly 78/100 across all U.S. states.

Living in Scottsdale, Arizona—a large city in the arid Desert Southwest—means relying on groundwater resources to support a fast-growing urban center. Across the municipality's various water systems, overall quality scores place the local supply in a moderate, average tier. For prospective homebuyers, this middling rating indicates that the water is functional for daily use but has clear room for improvement. Ultimately, residents must navigate these typical regional groundwater conditions as they settle into this expanding desert environment.

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

Key Contaminants

Copper (90th percentile) Violation
2.4 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead (90th percentile)
0.0098 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Scottsdale (7)

Related

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