Washington
Is Washington tap water safe to drink?
Mostly yes — Washington scores 82/100. This report aggregates EPA drinking water data across 3 local systems in Washington. We found 61 total violations (19 unresolved).
Real-Time Environment
Live: 09:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Washington.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Washington?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filter or no filter for Washington water? Here's what the data says.
Baby Formula Safety
What new parents in Washington should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Washington, but it can affect plumbing longevity and appliance lifespan. The high safety score (82/100) 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 Washington
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Washington.
Frequently Asked Questions
Is Washington tap water safe to drink?
Mostly yes — Washington scores 82/100.
How many water systems serve Washington?
Washington is served by 3 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Washington?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Washington.
What is the water quality score for Washington?
The water quality score for Washington is 82 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.
What are the top contaminants in Washington?
The top contaminants detected in Washington include Lead (90th percentile). View detailed information on our contaminants page.
Washington Water Quality Summary
Washington, IN receives a water quality score of 82/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.
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.
Washington's score of 82 is 1 point below the Indiana state average of 83, 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 Indiana water quality rankings report →
Key Contaminants
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Water Systems Serving Washington (3)
Check Your Specific Address
Water quality can vary by neighborhood in Washington.
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Quick compare in Indiana
Compare Washington water quality: View all states · Contaminant library · How we score water quality