WaterQ
Oregon State Report All States
Official Status: March 2026

Is Corvallis tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Corvallis scores 90/100.

Safety Score
90
out of 100

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Corvallis

Oregon

View Oregon state report Data updated: Mar 2026

Is Corvallis tap water safe to drink?

Mostly yes — Corvallis scores 90/100. This report aggregates EPA drinking water data across 1 local system in Corvallis. We found 39 total violations (8 unresolved).

Real-Time Environment

Live: 04:15 PM
0mm Precipitation

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

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 Corvallis?

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 Corvallis? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Corvallis, water quality is a key factor in long-term property maintenance. The high safety score (90/100) 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 Corvallis

39
Violations (5yr)
8
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Corvallis tap water safe to drink?

Mostly yes — Corvallis scores 90/100.

How many water systems serve Corvallis?

Corvallis is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Corvallis?

The water quality score for Corvallis is 90 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Corvallis?

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

Water Quality Score
90/100
Grade
A
Water Systems
1
Population
61,468

Corvallis Water Quality Summary

Corvallis, OR receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Corvallis'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.

Corvallis's score of 90 is 7 points above the Oregon state average of 83, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective homebuyers in this mid-size Oregon city, Corvallis's drinking water benefits from its location in the Pacific Northwest, a region characterized by forested mountains, coastline, and generally clean source water. The community's needs are met by a single water system that delivers high-quality water, earning top marks for safety and reliability. This means households here can enjoy a highly dependable municipal supply that reflects the clean source water typical of the surrounding environment.

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

Key Contaminants

Lead (90th percentile)
0.0014 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Corvallis (1)

Related

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