Stanwood
Is Stanwood tap water safe to drink?
Mostly yes — Stanwood scores 90/100. This report aggregates EPA drinking water data across 5 local systems in Stanwood. We found 790 total violations (64 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Stanwood?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Stanwood tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Stanwood tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Stanwood, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (90/100) 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 Stanwood
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Stanwood.
Frequently Asked Questions
Is Stanwood tap water safe to drink?
Mostly yes — Stanwood scores 90/100.
How many water systems serve Stanwood?
Stanwood is served by 5 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Stanwood?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Stanwood.
What is the water quality score for Stanwood?
The water quality score for Stanwood is 90 out of 100, based on EPA contaminant data, violation history, and testing results across the 5 systems serving the city.
What are the top contaminants in Stanwood?
The top contaminants detected in Stanwood include Lead (90th percentile). View detailed information on our contaminants page.
Stanwood Water Quality Summary
Stanwood, WA receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.
Stanwood'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.
Stanwood's score of 90 is 4 points below the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Washington water quality rankings report →
Key Contaminants
Get notified if Stanwood's water quality changes
Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.
By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.
Water Systems Serving Stanwood (5)
Port Susan Camp Club #2
APort Susan Camp Club #1
APort Susan Camp Club #3
BSeven Lakes Water Association
AStanwood Water Dept City Of
BCheck Your Specific Address
Water quality can vary by neighborhood in Stanwood.
Related
Quick compare in Washington
Compare Stanwood water quality: View all states · Contaminant library · How we score water quality