Portland
Is Portland tap water safe to drink?
Mostly yes — Portland scores 92/100. This report aggregates EPA drinking water data across 1 local system in Portland. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 02:45 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Portland.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Portland?
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 Portland? See our analysis.
Baby Formula Safety
Is Portland tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Portland, water quality is a key factor in long-term property maintenance. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Score Breakdown for Portland
*Scores are calculated using weighted EPA monitoring data from the past 5 years.
Frequently Asked Questions
Is Portland tap water safe to drink?
Mostly yes — Portland scores 92/100.
How many water systems serve Portland?
Portland is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Portland?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Portland.
What is the water quality score for Portland?
The water quality score for Portland 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 Portland?
The top contaminants detected in Portland include Lead, Gross Alpha Particle Activity, Radium-228. View detailed information on our contaminants page.
Portland Water Quality Summary
Portland, ME receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Portland'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 →
Key Contaminants
Water Systems Serving Portland (1)
Check Your Specific Address
Water quality can vary by neighborhood in Portland.
Related
Quick compare in Maine
Compare Portland water quality: View all states · Contaminant library · How we score water quality