WaterQ
Oregon State Report All States
Official Status: March 2026

Is The Dalles tap water safe to drink?

✓ Generally Safe
B

Mostly yes — The Dalles scores 86/100.

Safety Score
86
out of 100

Still not sure if you need a filter in The Dalles?

Read Decision Guide →

The Dalles

Oregon

View Oregon state report Verified: Apr 2026

Is The Dalles tap water safe to drink?

Mostly yes — The Dalles scores 86/100. This report aggregates EPA drinking water data across 0 local systems in The Dalles. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in The Dalles?

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 The Dalles? See our analysis.

Baby Formula Safety

Is The Dalles tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to The Dalles, water quality is a key factor in long-term property maintenance. The high safety score (86/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for The Dalles

EPA Compliance & Violations 85/100
Contaminant Safety Margin 86%

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

Frequently Asked Questions

Is The Dalles tap water safe to drink?

Mostly yes — The Dalles scores 86/100.

How many water systems serve The Dalles?

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

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

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

What is the water quality score for The Dalles?

The water quality score for The Dalles 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 The Dalles?

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

Water Quality Score
86/100
Grade
B
Water Systems
2
Population
17,510

The Dalles Water Quality Summary

The Dalles, OR receives a water quality score of 86/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

The Dalles'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 The Dalles (0)

Water system data coming soon for The Dalles.

Related

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