Hillsboro
Is Hillsboro tap water safe to drink?
Mostly yes — Hillsboro scores 93/100. This report aggregates EPA drinking water data across 2 local systems in Hillsboro. We found 66 total violations (7 unresolved).
Real-Time Environment
Live: 11:45 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Hillsboro.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Hillsboro?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter requirements and certified reduction benchmarks for Hillsboro tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Hillsboro.
Homebuyer's Perspective
Evaluating water infrastructure in Hillsboro protects plumbing and helps estimate water heater longevity. The high safety score (93/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 Hillsboro
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Hillsboro.
Frequently Asked Questions
Is Hillsboro tap water safe to drink?
Mostly yes — Hillsboro scores 93/100.
How many water systems serve Hillsboro?
Hillsboro is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Hillsboro?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Hillsboro.
What is the water quality score for Hillsboro?
The water quality score for Hillsboro is 93 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Hillsboro?
The top contaminants detected in Hillsboro include Lead (90th percentile). View detailed information on our contaminants page.
Hillsboro Water Quality Summary
Hillsboro, OR receives a water quality score of 93/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Hillsboro'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.
Hillsboro's score of 93 is 10 points above the Oregon state average of 83, and above the nationwide average of roughly 78/100 across all U.S. states.
For families looking to settle in Hillsboro, the quality of local tap water ensures consistent EPA compliance. This mid-size Oregon city draws from the Pacific Northwest's naturally clean watershed, characterized by forested mountains and coastal geography. Across its pair of municipal water systems, the community maintains an exceptional standard of purification and delivery, ensuring that household taps consistently receive top-grade water.
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
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Water Systems Serving Hillsboro (2)
Check Your Specific Address
Water quality can vary by neighborhood in Hillsboro.
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Compare Hillsboro water quality: View all states · Contaminant library · How we score water quality