WaterQ
Wisconsin State Report All States
Official Status: March 2026

Is Port Washington tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Port Washington scores 94/100.

Safety Score
94
out of 100

Still not sure if you need a filter in Port Washington?

Read Decision Guide →

Port Washington

Wisconsin

View Wisconsin state report Verified: Apr 2026

Is Port Washington tap water safe to drink?

Mostly yes — Port Washington scores 94/100. This report aggregates EPA drinking water data across 0 local systems in Port Washington. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Port Washington?

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 Port Washington? See our analysis.

Baby Formula Safety

Is Port Washington tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Port Washington, water quality is a key factor in long-term property maintenance. The high safety score (94/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Port Washington

EPA Compliance & Violations 85/100
Contaminant Safety Margin 94%

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

Frequently Asked Questions

Is Port Washington tap water safe to drink?

Mostly yes — Port Washington scores 94/100.

How many water systems serve Port Washington?

Port Washington is served by 0 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Port Washington?

The water quality score for Port Washington 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 Port Washington?

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

Water Quality Score
94/100
Grade
A
Water Systems
1
Population
12,853

Port Washington Water Quality Summary

Port Washington, WI receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Port Washington'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 Port Washington (0)

Water system data coming soon for Port Washington.

Related

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